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Stream flow monitoring station

Chehalis River @ Centralia

This station is also a water quality monitoring station

Station details

ID23A120
typeTelemetry  satelite dish   
Latitude46° 42' 47.16"
Longitude-122° 58' 39.36"
Stream class
River mile66.0
Staff leadBrad Hopkins
brad.hopkins@ecy.wa.gov
CountyLewis
Ecoregion
Period of recordFeb 2016 - Present
Water Resource Inventory Area (WRIA)
12 active stations   show historical 
  id station name type* coop
23A120 Chehalis River @ Centralia T
23A190 Chehalis abv Pe Ell T
23B070 Newaukum NR Chehalis T
23B120 SF Newaukum River @ Jorgensen ... T y
23B190 South Fork Newaukum River @ No... T y
23B200 South Fork Newaukum River @ Mi... T y
23E060 Black R. @ Hwy 12 T
23H060 Salzer Creek @ Airport Rd T
23I070 Bunker Creek @ Ceres Hill Rd T
23J070 Stearns Creek @ Twin Oaks Rd T
23K060 South Fork Chehalis @ Hwy 6 T
23L070 Dillenbaugh Creek at Riverside... T y
*  T–telemetry   SA–stand alone   MSH–manual stage height

Station 23A120—Water Temp.

Period of Record: 2016 — 2019

Seven-day graph

Water-year graph

Mean data table


Note: To print table on one page, change page setup to landscape orientation. Adjustment of page margins and/or text size may also be required.

         Washington State Dept. of Ecology                                                            HYDAY V139  Output 11/16/2019

         Site     23A120          Chehalis River @ Centralia                                                   Site       23A120.AT
         Variable 450.30          Water Temperature in Degrees Celsius, Sonde Temp                             Year         2019/20
                                  Figures are for period starting 00:00                                        Table Type     Level

         Day       Oct      Nov      Dec      Jan      Feb      Mar      Apr      May      Jun      Jul      Aug      Sep     Day

           1       13.7!     4.9!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]      1
           2       12.8!     4.8!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]      2
           3       12.3!     5.1!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]      3
           4       11.9!     5.6!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]      4
           5       11.9!     6.2!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]      5
           6       12.2!     6.6!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]      6
           7       12.5!     6.7!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]      7
           8       12.7!     6.6!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]      8
           9       12.3!     6.7!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]      9
          10       12.0!     6.9!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     10
          11       11.1!     7.5!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     11
          12       10.3!     8.1!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     12
          13       10.0!     8.7!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     13
          14        9.7!     9.2!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     14
          15      [   ]X     9.4!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     15
          16       10.1!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     16
          17       10.4!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     17
          18       10.4!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     18
          19       10.0!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     19
          20        9.7!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     20
          21        9.9!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     21
          22       10.7!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     22
          23       11.3!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     23
          24       10.6!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     24
          25       10.2!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     25
          26        9.8!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     26
          27        9.2!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     27
          28        8.4!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     28
          29        7.3!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     29
          30        6.3!   [   ]    [   ]    [   ]             [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     30
          31        5.4!            [   ]    [   ]             [   ]             [   ]             [   ]    [   ]              31

          Mean     10.5!     6.9!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]
        Median     10.4!     6.7!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]
Max.Daily Mean     13.7!     9.4!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]
Min.Daily Mean      5.4!     4.8!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]
      Inst.Max     14.4!     9.6!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]
      Inst.Min      5.0!     4.6!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]
  Missing Days        1       15       31       31       29       31       30       31       30       31       31       30

                Summaries               ------------------ Notes -------------------
                ---------               All recorded data is continuous and reliable
                                        except where the following tags are used...
 Annual Mean        9.3!                ! ...  Data not yet checked
 Ann. Median        9.8!                X ...  Data rejected
Missing Days        321                 [    ] Data Not Recorded

                Maximum     Minimum
 Daily Mean        13.7!        4.8!
    Instant        14.4!        4.6!







View downloadable table

Station 23A120—Verified historical data

water-year 2019 graph crosstab / table 15-minute data table technical notes
water-year 2018 graph crosstab / table 15-minute data table technical notes
water-year 2017 graph crosstab / table 15-minute data table technical notes
water-year 2016 graph crosstab / table 15-minute data table technical notes

Water Temp. Monitoring Standard Operating Procedures

    Station 23A120—Diss. Oxygen

    Period of Record: 2016 — 2019

    Seven-day graph

    Water-year graph

    Mean data table


    Note: To print table on one page, change page setup to landscape orientation. Adjustment of page margins and/or text size may also be required.

             Washington State Dept. of Ecology                                                            HYDAY V139  Output 11/16/2019
    
             Site     23A120          Chehalis River @ Centralia                                                   Site       23A120.AT
             Variable 864.00          Dissolved Oxygen in mg/L                                                     Year         2019/20
                                      Figures are for period starting 00:00                                        Table Type     Level
    
             Day       Oct      Nov      Dec      Jan      Feb      Mar      Apr      May      Jun      Jul      Aug      Sep     Day
    
               1      [   ]X   12.28!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]      1
               2       8.77!   12.44!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]      2
               3       9.18!   12.43!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]      3
               4       9.27!   12.16!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]      4
               5       9.00!   [   ]X   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]      5
               6       9.31!   11.63!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]      6
               7       9.31!   [   ]X   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]      7
               8       9.31!   [   ]X   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]      8
               9       9.24!   11.47!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]      9
              10       9.33!   [   ]X   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     10
              11       9.55!   11.43!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     11
              12       9.89!   11.11!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     12
              13      10.13!   10.75!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     13
              14      10.28!   [   ]X   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     14
              15      [   ]X   10.48!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     15
              16      10.37!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     16
              17      10.21!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     17
              18      10.06!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     18
              19      10.34!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     19
              20      10.53!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     20
              21      10.64!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     21
              22      10.46!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     22
              23      10.39!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     23
              24      10.63!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     24
              25      10.71!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     25
              26      10.65!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     26
              27      10.76!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     27
              28      10.99!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     28
              29      11.34!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     29
              30      11.69!   [   ]    [   ]    [   ]             [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     30
              31      12.08!            [   ]    [   ]             [   ]             [   ]             [   ]    [   ]              31
    
              Mean    10.15!   11.62!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]
            Median    10.28!   11.55!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]
    Max.Daily Mean    12.08!   12.44!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]
    Min.Daily Mean     8.77!   10.48!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]
          Inst.Max    12.30!   12.64!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]
          Inst.Min     8.28!   10.18!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]
      Missing Days        2       20       31       31       29       31       30       31       30       31       31       30
    
                    Summaries               ------------------ Notes -------------------
                    ---------               All recorded data is continuous and reliable
                                            except where the following tags are used...
     Annual Mean      10.53!                ! ...  Data not yet checked
     Ann. Median      10.48!                X ...  Data rejected
    Missing Days        327                 [    ] Data Not Recorded
    
                    Maximum     Minimum
     Daily Mean       12.44!       8.77!
        Instant       12.64!       8.28!
    
    
    
    
    
    
    

    View downloadable table

    Station 23A120—Verified historical data

    water-year 2019 graph crosstab / table 15-minute data table technical notes
    water-year 2018 graph crosstab / table 15-minute data table technical notes
    water-year 2017 graph crosstab / table 15-minute data table technical notes
    water-year 2016 graph crosstab / table 15-minute data table technical notes

    Diss. Oxygen Monitoring Standard Operating Procedures

      Station 23A120—pH

      Period of Record: 2016 — 2019

      Seven-day graph

      Water-year graph

      Mean data table


      Note: To print table on one page, change page setup to landscape orientation. Adjustment of page margins and/or text size may also be required.

               Washington State Dept. of Ecology                                                            HYDAY V139  Output 11/16/2019
      
               Site     23A120          Chehalis River @ Centralia                                                   Site       23A120.AT
               Variable 860.00          pH                                                                           Year         2019/20
                                        Figures are for period starting 00:00                                        Table Type     Level
      
               Day       Oct      Nov      Dec      Jan      Feb      Mar      Apr      May      Jun      Jul      Aug      Sep     Day
      
                 1       7.46!    7.16!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]      1
                 2       7.47!    7.15!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]      2
                 3       7.49!    7.14!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]      3
                 4       7.47!    7.14!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]      4
                 5       7.46!    7.13!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]      5
                 6       7.47!    7.12!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]      6
                 7       7.48!    7.09!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]      7
                 8       7.48!    7.11!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]      8
                 9       7.46!    7.11!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]      9
                10       7.49!    7.11!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     10
                11       7.51!    7.12!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     11
                12       7.50!    7.12!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     12
                13       7.49!    7.13!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     13
                14       7.48!    7.12!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     14
                15      [   ]     7.13!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     15
                16       7.16!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     16
                17       7.16!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     17
                18       7.17!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     18
                19       7.11!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     19
                20       6.94!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     20
                21       7.01!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     21
                22       7.06!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     22
                23       7.08!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     23
                24       7.08!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     24
                25       7.09!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     25
                26       7.10!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     26
                27       7.13!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     27
                28       7.13!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     28
                29       7.14!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     29
                30       7.16!   [   ]    [   ]    [   ]             [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     30
                31       7.16!            [   ]    [   ]             [   ]             [   ]             [   ]    [   ]              31
      
                Mean     7.28!    7.12!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]
              Median     7.16!    7.12!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]
      Max.Daily Mean     7.51!    7.16!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]
      Min.Daily Mean     6.94!    7.09!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]
            Inst.Max     7.52!    7.18!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]
            Inst.Min     6.91!    6.98!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]
        Missing Days        1       15       31       31       29       31       30       31       30       31       31       30
      
                      Summaries               ------------------ Notes -------------------
                      ---------               All recorded data is continuous and reliable
                                              except where the following tags are used...
       Annual Mean       7.23!                ! ...  Data not yet checked
       Ann. Median       7.14!                [    ] Data Not Recorded
      Missing Days        321
      
                      Maximum     Minimum
       Daily Mean        7.51!       6.94!
          Instant        7.52!       6.91!
      
      
      
      
      
      
      

      View downloadable table

      Station 23A120—Verified historical data

      water-year 2019 graph crosstab / table 15-minute data table technical notes
      water-year 2018 graph crosstab / table 15-minute data table technical notes
      water-year 2017 graph crosstab / table 15-minute data table technical notes
      water-year 2016 graph crosstab / table 15-minute data table technical notes

      pH Monitoring Standard Operating Procedures

        Station 23A120—Conductivity

        Period of Record: 2016 — 2019

        Seven-day graph

        Water-year graph

        Mean data table


        Note: To print table on one page, change page setup to landscape orientation. Adjustment of page margins and/or text size may also be required.

                 Washington State Dept. of Ecology                                                            HYDAY V139  Output 11/16/2019
        
                 Site     23A120          Chehalis River @ Centralia                                                   Site       23A120.AT
                 Variable 821.00          Conductivity in MicroSiemens/Cm                                              Year         2019/20
                                          Figures are for period starting 00:00                                        Table Type     Level
        
                 Day       Oct      Nov      Dec      Jan      Feb      Mar      Apr      May      Jun      Jul      Aug      Sep     Day
        
                   1         91!      82!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]      1
                   2         90!      83!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]      2
                   3         90!   [   ]X   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]      3
                   4         91!      85!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]      4
                   5         92!   [   ]X   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]      5
                   6         93!      86!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]      6
                   7         94!   [   ]X   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]      7
                   8         93!      87!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]      8
                   9         93!   [   ]X   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]      9
                  10         92!   [   ]X   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     10
                  11         91!   [   ]X   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     11
                  12         90!      89!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     12
                  13         89!      89!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     13
                  14         88!   [   ]X   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     14
                  15      [   ]X   [   ]X   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     15
                  16         90!   [   ]X   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     16
                  17         90!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     17
                  18         91!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     18
                  19         77!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     19
                  20         66!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     20
                  21         68!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     21
                  22         70!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     22
                  23         67!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     23
                  24         68!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     24
                  25         70!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     25
                  26         73!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     26
                  27         76!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     27
                  28         77!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     28
                  29         79!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     29
                  30         81!   [   ]    [   ]    [   ]             [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     30
                  31         83!            [   ]    [   ]             [   ]             [   ]             [   ]    [   ]              31
        
                  Mean       83!      86!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]
                Median       89!      86!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]
        Max.Daily Mean       94!      89!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]
        Min.Daily Mean       66!      82!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]
              Inst.Max       94!      89!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]
              Inst.Min       64!      82!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]
          Missing Days        1       23       31       31       29       31       30       31       30       31       31       30
        
                        Summaries               ------------------ Notes -------------------
                        ---------               All recorded data is continuous and reliable
                                                except where the following tags are used...
         Annual Mean         84!                ! ...  Data not yet checked
         Ann. Median         88!                X ...  Data rejected
        Missing Days        329                 [    ] Data Not Recorded
        
                        Maximum     Minimum
         Daily Mean          94!         66!
            Instant          94!         64!
        
        
        
        
        
        
        

        View downloadable table

        Station 23A120—Verified historical data

        water-year 2019 graph crosstab / table 15-minute data table technical notes
        water-year 2018 graph crosstab / table 15-minute data table technical notes
        water-year 2017 graph crosstab / table 15-minute data table technical notes
        water-year 2016 graph crosstab / table 15-minute data table technical notes

        Conductivity Monitoring Standard Operating Procedures