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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)
11 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
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 — 2018

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 V129  Output 11/16/2018

         Site     23A120          Chehalis River @ Centralia                                                     Site     23A120.AT
         Variable 450.30          Water Temperature in Degrees Celsius, Sonde Temp                               Year       2018/19
         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       16.3!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]      1
           2       16.1!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]      2
           3       15.7!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]      3
           4       15.5!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]      4
           5       14.9!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]      5
           6       14.6!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]      6
           7       13.6!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]      7
           8       12.9!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]      8
           9       12.5!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]      9
          10       12.6!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     10
          11       12.8!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     11
          12       13.2!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     12
          13       13.4!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     13
          14       13.2!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     14
          15       13.0!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     15
          16       12.8!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     16
          17       12.6!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     17
          18       12.2!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     18
          19       11.9!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     19
          20       11.5!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     20
          21       11.2!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     21
          22       11.2!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     22
          23       11.0!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     23
          24      [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     24
          25      [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     25
          26      [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     26
          27      [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     27
          28      [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     28
          29      [   ]    [   ]    [   ]    [   ]             [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     29
          30      [   ]    [   ]    [   ]    [   ]             [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     30
          31      [   ]             [   ]    [   ]             [   ]             [   ]             [   ]    [   ]              31

          Mean     13.2!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]
        Median     12.9!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]
Max.Daily Mean     16.3!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]
Min.Daily Mean     11.0!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]
      Inst.Max     16.4!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]
      Inst.Min     10.9!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]
  Missing Days        8       30       31       31       28       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       13.2!                ! ...  Data not yet checked
 Ann. Median       12.9!                [    ] Data Not Recorded
Missing Days        342

                Maximum     Minimum
 Daily Mean        16.3!       11.0!
    Instant        16.4!       10.9!







View downloadable table

Station 23A120—Verified historical data

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 — 2018

    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 V129  Output 11/16/2018
    
             Site     23A120          Chehalis River @ Centralia                                                     Site     23A120.AT
             Variable 864.00          Dissolved Oxygen in mg/L                                                       Year       2018/19
             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   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]      1
               2      [   ]X   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]      2
               3      [   ]X   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]      3
               4       7.98!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]      4
               5       7.95!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]      5
               6      [   ]X   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]      6
               7      [   ]X   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]      7
               8       8.66!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]      8
               9       9.23!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]      9
              10       9.45!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     10
              11       9.37!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     11
              12      [   ]X   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     12
              13       9.27!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     13
              14       9.12!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     14
              15       9.13!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     15
              16       9.26!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     16
              17       9.22!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     17
              18      [   ]X   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     18
              19       9.35!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     19
              20       9.44!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     20
              21       9.67!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     21
              22      [   ]X   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     22
              23       9.36!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     23
              24      [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     24
              25      [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     25
              26      [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     26
              27      [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     27
              28      [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     28
              29      [   ]    [   ]    [   ]    [   ]             [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     29
              30      [   ]    [   ]    [   ]    [   ]             [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     30
              31      [   ]             [   ]    [   ]             [   ]             [   ]             [   ]    [   ]              31
    
              Mean     9.10!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]
            Median     9.26!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]
    Max.Daily Mean     9.67!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]
    Min.Daily Mean     7.95!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]
          Inst.Max    11.21!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]
          Inst.Min     7.55!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]
      Missing Days       16       30       31       31       28       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       9.10!                ! ...  Data not yet checked
     Ann. Median       9.26!                X ...  Data rejected
    Missing Days        350                 [    ] Data Not Recorded
    
                    Maximum     Minimum
     Daily Mean        9.67!       7.95!
        Instant       11.21!       7.55!
    
    
    
    
    
    
    

    View downloadable table

    Station 23A120—Verified historical data

    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 — 2018

      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 V129  Output 11/16/2018
      
               Site     23A120          Chehalis River @ Centralia                                                     Site     23A120.AT
               Variable 860.00          pH                                                                             Year       2018/19
               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       7.10!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]      1
                 2       7.09!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]      2
                 3       7.11!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]      3
                 4       7.11!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]      4
                 5       7.12!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]      5
                 6       7.16!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]      6
                 7       7.17!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]      7
                 8       7.19!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]      8
                 9       7.20!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]      9
                10       7.22!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     10
                11       7.22!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     11
                12       7.24!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     12
                13       7.25!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     13
                14       7.22!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     14
                15       7.18!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     15
                16       7.18!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     16
                17       7.16!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     17
                18       7.16!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     18
                19       7.15!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     19
                20       7.16!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     20
                21       7.18!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     21
                22       7.18!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     22
                23       7.16!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     23
                24      [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     24
                25      [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     25
                26      [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     26
                27      [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     27
                28      [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     28
                29      [   ]    [   ]    [   ]    [   ]             [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     29
                30      [   ]    [   ]    [   ]    [   ]             [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     30
                31      [   ]             [   ]    [   ]             [   ]             [   ]             [   ]    [   ]              31
      
                Mean     7.17!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]
              Median     7.17!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]
      Max.Daily Mean     7.25!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]
      Min.Daily Mean     7.09!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]
            Inst.Max     7.30!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]
            Inst.Min     7.01!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]
        Missing Days        8       30       31       31       28       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       7.17!                ! ...  Data not yet checked
       Ann. Median       7.17!                [    ] Data Not Recorded
      Missing Days        342
      
                      Maximum     Minimum
       Daily Mean        7.25!       7.09!
          Instant        7.30!       7.01!
      
      
      
      
      
      
      

      View downloadable table

      Station 23A120—Verified historical data

      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 — 2018

        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 V129  Output 11/16/2018
        
                 Site     23A120          Chehalis River @ Centralia                                                     Site     23A120.AT
                 Variable 821.00          Conductivity in MicroSiemens/Cm                                                Year       2018/19
                 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         99!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]      1
                   2        100!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]      2
                   3        100!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]      3
                   4      [   ]X   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]      4
                   5        103!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]      5
                   6      [   ]X   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]      6
                   7        102!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]      7
                   8         98!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]      8
                   9         96!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]      9
                  10         93!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     10
                  11         93!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     11
                  12         93!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     12
                  13         91!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     13
                  14         91!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     14
                  15         92!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     15
                  16      [   ]X   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     16
                  17         92!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     17
                  18      [   ]X   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     18
                  19         95!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     19
                  20         96!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     20
                  21         97!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     21
                  22      [   ]X   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     22
                  23         99!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     23
                  24      [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     24
                  25      [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     25
                  26      [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     26
                  27      [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     27
                  28      [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     28
                  29      [   ]    [   ]    [   ]    [   ]             [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     29
                  30      [   ]    [   ]    [   ]    [   ]             [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]     30
                  31      [   ]             [   ]    [   ]             [   ]             [   ]             [   ]    [   ]              31
        
                  Mean       96!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]
                Median       96!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]
        Max.Daily Mean      103!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]
        Min.Daily Mean       91!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]
              Inst.Max      103!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]
              Inst.Min       91!   [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]    [   ]
          Missing Days       13       30       31       31       28       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         96!                ! ...  Data not yet checked
         Ann. Median         96!                X ...  Data rejected
        Missing Days        347                 [    ] Data Not Recorded
        
                        Maximum     Minimum
         Daily Mean         103!         91!
            Instant         103!         91!
        
        
        
        
        
        
        

        View downloadable table

        Station 23A120—Verified historical data

        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