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Sacramento River Temperature Threshold Analysis

Temperature Analysis: Threshold Analysis Graph || 2024 CVO Documents || Threshold Analysis Tables || DAT, Storage, Daily Max, 7DADM graphs || Data Table and Download || Methods and Threshold Criteria with SRTTG Documents

Actual pre-season and in-season management decision processes are complex employing multiple sources of observed data, models, and forecasts. For further information, see the Threshold Analysis Criteria section.

View Analysis for:
graph 2024 Sacramento River Water Temp (F)
Central Valley Operations Office, USBR: 2024 Northern CVP Water Temperature Report, with Sacramento River temperatures and flows, temperature control point, and Lake Shasta Isothermalbaths. File modified: April 17 2024 15:29:24.
Central Valley Operations Office, USBR: 2024 Shasta Temperature Control Device (TCD) Configuration with gate change operations, elevation, and temperatures. File modified: April 17 2024 13:59:07.
TCD Change Dates
Start Date End Date
3/6/2024 Current
3/6/2024 Current
3/6/2024 Current
3/6/2024 Current
3/6/2024 Current
2/20/2024 3/6/2024
12/14/2023 2/20/2024
12/14/2023 2/20/2024
12/14/2023 2/20/2024

2024 Temperature Threshold Analysis

Sacramento R, Keswick (WQ)

No 2024 data during target period, 5/15-10/31.

Sacramento R upstream of Hwy 44

No 2024 data during target period, 5/15-10/31.

Sacramento R abv Clear Ck

No 2024 data during target period, 5/15-10/31.

Sacramento R, Balls Ferry Bridge

No 2024 data during target period, 5/15-10/31.

Sacramento R, Jellys Ferry

Sacramento R at Bend Bridge

No 2024 data during target period, 5/15-10/31.

graph DAT all sites and Reservoir Data  graph Daily Max and 7DADM select sites

View Analysis for Another Year

2024 Sacramento River Temperature Data Table

download data table as CSV

Threshold Period
Date Source Shasta
Storage
(MAF)		 Shasta
Outflow
(TCFS)		 Keswick
Outflow
(TCFS)		 KWK DAT WTemp F SAC DAT WTemp F CCR DAT WTemp F BSF DAT WTemp F JLF DAT WTemp F BND DAT WTemp F KWK 7DADM WTemp F SAC 7DADM WTemp F CCR 7DADM WTemp F SAC Max WTemp F CCR Max WTemp F
Date Source Shasta
Storage
(MAF)		 Shasta
Outflow
(TCFS)		 Keswick
Outflow
(TCFS)		 KWK DAT WTemp F SAC DAT WTemp F CCR DAT WTemp F BSF DAT WTemp F JLF DAT WTemp F BND DAT WTemp F KWK 7DADM WTemp F SAC 7DADM WTemp F CCR 7DADM WTemp F SAC Max WTemp F CCR Max WTemp F
2024-04-18 CDEC 4.366 8.433 7.950 52.0 52.4 53.0 54.7   55.9 51.6 52.6 53.4 54.1 55.5
2024-04-17 CDEC 4.360 8.434 8.019 51.8 52.2 52.7 54.4   55.6 51.5 52.5 53.4 54.1 55.2
2024-04-16 CDEC 4.355 8.362 8.053 51.3 51.7 52.2 53.5   54.4 51.4 52.5 53.3 53.4 54.4
2024-04-15 CDEC 4.349 7.552 8.031 50.3 50.9 51.4 52.2   52.1 51.3 52.4 53.3 52.1 53.3
2024-04-14 CDEC 4.343 8.371 8.050 50.6 50.7 50.8 51.1   51.3 51.2 52.5 53.3 51.2 51.2
2024-04-13 CDEC 4.338 8.268 8.085 50.7 50.8 51.2 52.3   53.2 51.2 52.7 53.8 51.1 51.5
2024-04-12 CDEC 4.341 8.563 7.937 51.4 51.6 52.0 54.0   56.2 51.1 52.8 53.9 51.9 52.5
2024-04-11 CDEC 4.340 6.300 6.113 51.4 52.2 53.0 55.2   56.6 51.0 52.9 54.1 54.0 55.4
2024-04-10 CDEC 4.333 5.512 6.190 51.4 51.9 52.6 54.5   55.7 50.9 52.6 53.6 53.6 54.8
2024-04-09 CDEC 4.315 6.114 6.123 50.8 51.3 51.9 53.5   54.4 50.9 52.4 53.4 53.1 54.2
2024-04-08 CDEC 4.309 6.035 6.029 50.3 50.8 51.4 53.1   54.0 50.8 52.6 53.5 52.4 53.6
2024-04-07 CDEC 4.297 4.065 4.085 50.3 50.9 51.6 52.7   53.1 50.9 52.8 53.7 52.9 54.5
2024-04-06 CDEC 4.286 4.035 4.151 50.1 50.3 50.8 51.7   52.2 50.8 52.8 53.6 51.6 52.5
2024-04-05 CDEC 4.272 3.984 4.183 50.2 50.8 51.2 51.4   51.2 50.8 52.9 53.6 53.0 53.8
2024-04-04 CDEC 4.256 4.670 4.182 50.8 50.9 51.0 51.7   53.6 50.7 52.6 53.2 51.3 51.5
2024-04-03 CDEC 4.236 4.132 4.182 51.0 51.4 52.0     56.5 50.6 52.8 53.4 52.8 53.4
2024-04-02 CDEC 4.220 4.048 4.182 50.7 51.7 52.5     55.5 50.5 52.5 53.0 54.1 55.4
2024-04-01 CDEC 4.204 3.847 4.181 50.4 51.1 51.7 52.8   54.1 50.3 52.2 52.7 53.6 54.6
2024-03-31 CDEC 4.183 3.873 4.026 49.8 50.7 51.3 52.5   52.6 50.2 52.0 52.5 53.0 54.0
2024-03-30 CDEC 4.161 3.903 4.026 50.0 50.6 50.8 51.4   51.0 50.2 51.9 52.4 52.6 52.4
2024-03-29 CDEC 4.136 3.600 4.054 49.9 50.2 50.5 51.0   51.2 50.2 51.8 52.2 50.8 51.1
2024-03-28 CDEC 4.112 3.175 4.340 50.1 50.8 50.9 50.9   51.0 50.2 51.8 52.3 52.5 52.6
2024-03-27 CDEC 4.090 4.413 4.454 50.2 50.4 50.5 52.1   53.1 50.2 51.9 52.5 50.6 50.7
2024-03-26 CDEC 4.070 3.644 4.626 49.9 50.5 50.9 52.4   53.2 50.2 52.1 52.9 52.4 53.3
2024-03-25 CDEC 4.051 4.726 4.892 49.6 50.3 50.8 52.3   52.9 50.2 52.1 52.9 52.3 53.4
2024-03-24 CDEC 4.028 3.847 5.117 49.7 50.7 51.0 50.8   50.7 50.3 52.0 52.9 52.2 53.1
2024-03-23 CDEC 4.000 5.092 5.326 50.0 50.9 50.6 50.8   52.2 50.3 52.0 52.9 51.7 51.4
2024-03-22 CDEC 3.978 5.057 5.414 50.2 50.5 50.9 52.7   54.2 50.3 51.9 53.0 51.1 51.7
2024-03-21 CDEC 3.963 4.808 5.685 50.3 50.9 51.5 53.3   54.4 50.1 51.9 53.0 52.7 53.8
2024-03-20 CDEC 3.951 4.837 5.855 50.2 50.7 51.3 53.5   54.8 49.9 51.5 52.5 52.3 53.3
2024-03-19 CDEC 3.938 5.976 6.170 50.1 50.7 51.2 52.9   53.9 49.8 51.1 52.1 52.4 53.7
2024-03-18 CDEC 3.927 6.414 7.137 49.9 50.4 50.9 52.3   53.2 49.6 50.7 51.6 51.9 53.1
2024-03-17 CDEC 3.916 7.838 8.264 49.9 50.3 50.8 51.7   52.4 49.4 50.4 51.1 51.9 53.0
2024-03-16 CDEC 3.907 9.503 9.780 49.6 49.9 50.3 51.1   51.5 49.2 50.0 50.6 51.2 52.3
2024-03-15 CDEC 3.899 10.994 11.419 49.3 49.6 49.9 50.6   50.9 49.2 49.8 50.3 50.6 51.5
2024-03-14 CDEC 3.886 11.894 13.182 49.1 49.4 49.6 50.2   50.5 49.2 49.7 50.1 50.2 50.8
2024-03-13 CDEC 3.877 14.462 15.183 48.8 49.1 49.3 50.0   50.4 49.2 49.6 50.0 49.7 50.3
2024-03-12 CDEC 3.869 13.400 15.093 48.9 49.2 49.3 49.9   50.1 49.1 49.6 49.9 49.6 50.1
2024-03-11 CDEC 3.855 14.472 15.219 48.9 49.0 49.1 49.5   49.7 49.1 49.4 49.8 49.3 49.5
2024-03-10 CDEC 3.851 14.364 14.944 48.9 49.0 49.2 49.7   50.0 49.1 49.3 49.7 49.3 49.4
2024-03-09 CDEC 3.846 14.208 15.211 49.1 49.3 49.5 49.9   50.1 49.0 49.3 49.6 49.7 50.2
2024-03-08 CDEC 3.838 13.567 15.235 49.2 49.4 49.6 49.9   50.1 48.9 49.1 49.4 49.9 50.5
2024-03-07 CDEC 3.823 14.475 15.160 48.9 49.1 49.3 49.7   50.0 48.8 49.0 49.2 49.8 50.2
2024-03-06 CDEC 3.788 13.982 15.170 48.8 49.0 49.1 49.4   49.2 48.9 49.0 49.2 49.4 49.6
2024-03-05 CDEC 3.751 14.601 15.108 48.6 48.6 48.8 48.4   48.4 49.0 49.0 49.2 48.7 48.9
2024-03-04 CDEC 3.741 14.577 15.257 48.5 48.4 48.5 48.1   47.8 49.1 49.2 49.4 48.6 48.8
2024-03-03 CDEC 3.742 14.870 15.390 48.5 48.4 48.6 48.1   47.7 49.3 49.3 49.5 48.8 49.0
2024-03-02 CDEC 3.743 15.928 16.704 48.6 48.5 48.6 48.4   48.5 49.5 49.5 49.7 48.7 48.8
2024-03-01 CDEC 3.745 18.683 19.479 48.8 48.8 49.0 49.3   49.5 49.6 49.7 49.9 49.1 49.3
2024-02-29 CDEC 3.753 21.471 22.440 49.3 49.3 49.5 49.9   50.2 49.8 49.8 50.0 49.5 49.8
2024-02-28 CDEC 3.775 25.809 26.411 49.4 49.4 49.6 49.8   49.8 49.8 49.9 50.1 49.8 50.1
2024-02-27 CDEC 3.804 31.488 31.103 49.3 49.3 49.4 49.6   49.7 49.8 49.8 50.0 49.7 49.9
2024-02-26 CDEC 3.841 35.343 35.297 49.4 49.4 49.5 50.0   50.4 49.8 49.9 50.0 49.6 49.8
2024-02-25 CDEC 3.878 35.130 35.282 49.6 49.6 49.8 50.2   50.4 49.9 50.0 50.1 50.1 50.3
2024-02-24 CDEC 3.916 36.552 35.176 49.6 49.6 49.8 50.2   50.4 49.8 50.0 49.9 50.1 50.3
2024-02-23 CDEC 3.949 34.581 34.847 49.6 49.6 49.7 50.0   50.3 49.7 50.0 49.8 50.0 50.1
2024-02-22 CDEC 3.967 30.657 31.204 49.4 49.4 49.5 50.1   50.5 49.6 49.9 49.7 49.8 50.0
2024-02-21 CDEC 3.958 24.120 24.871 49.2 49.2 49.3 49.9   50.2 49.5 49.8 49.6 49.5 49.6
2024-02-20 CDEC 3.911 16.250 18.361 49.3 49.5 49.5 50.5   51.0 49.5 49.7 49.6 50.2 49.8
2024-02-19 CDEC 3.841 12.688 15.053 49.8 50.0 49.8 50.8   50.9 49.4 49.6 49.6 50.6 50.3
2024-02-18 CDEC 3.802 13.293 14.937 49.2 49.4 49.4 50.2   50.1 49.3 49.4 49.5 50.1 49.5
2024-02-17 CDEC 3.784 13.427 15.092 49.0 49.1 49.2 49.6   49.8 49.2 49.4 49.6 49.7 49.3
2024-02-16 CDEC 3.777 13.373 14.862 48.9 49.0 49.1 49.7   49.9 49.2 49.4 49.7 49.1 49.4
2024-02-15 CDEC 3.771 14.257 14.903 48.9 49.0 49.2 49.6   49.6 49.3 49.4 49.8 49.2 49.5
2024-02-14 CDEC 3.767 14.008 15.079 49.1 49.0 49.2 49.3   49.4 49.4 49.5 49.9 49.2 49.3
2024-02-13 CDEC 3.773 14.051 14.688 49.2 49.2 49.3 49.5   49.4 49.4 49.5 49.9 49.3 49.9
2024-02-12 CDEC 3.781 13.824 14.694 49.2 49.1 49.3 49.3   49.1 49.5 49.6 49.9 49.5 49.9
2024-02-11 CDEC 3.788 13.586 14.755 49.2 49.2 49.3 49.3   49.1 49.5 49.7 50.0 49.6 50.2
2024-02-10 CDEC 3.792 13.434 14.963 49.2 49.2 49.3 49.5   49.2 49.6 49.6 49.9 49.7 50.0
2024-02-09 CDEC 3.792 13.351 15.045 49.3 49.2 49.4 49.3   49.1 49.6 49.6 49.9 49.4 49.8
2024-02-08 CDEC 3.791 14.418 14.702 49.2 49.2 49.3 48.8   48.3 49.6 49.7 49.9 49.6 50.1
2024-02-07 CDEC 3.784 14.110 14.566 49.4 49.2 49.3 49.2   49.1 49.7 49.8 49.9 49.4 49.4
2024-02-06 CDEC 3.767 13.678 14.634 49.5 49.4 49.5 50.0   49.9 49.7 49.9 50.0 50.0 50.2
2024-02-05 CDEC 3.730 13.460 14.893 49.7 49.6 49.8 49.8   49.1 49.8 50.0 50.3 50.0 50.4
2024-02-04 CDEC 3.704 13.832 14.648 49.3 49.1 49.2 48.9   48.8 49.8 50.2 50.6 49.3 49.4
2024-02-03 CDEC 3.692 13.917 14.414 49.3 49.2 49.3 49.4   49.6 49.8 50.4 50.9 49.6 49.7
2024-02-02 CDEC 3.674 14.017 14.559 49.6 49.6 49.7 50.4   50.6 49.8 50.6 51.1 50.1 50.3
2024-02-01 CDEC 3.643 13.187 14.416 49.5 49.7 49.6 50.7   50.9 49.9 50.6 51.2 50.2 50.1
2024-01-31 CDEC 3.619 13.731 14.057 49.5 49.6 49.7 50.6   51.4 50.0 50.7 51.4 49.9 50.2
2024-01-30 CDEC 3.615 5.447 6.582 50.0 50.1 50.7 52.2   52.6 50.1 50.9 51.5 51.2 52.2
2024-01-29 CDEC 3.599 3.351 5.009 49.8 50.0 50.5 51.9   52.5 50.1 50.9 51.4 51.0 52.0
2024-01-28 CDEC 3.584 3.090 5.006 49.7 50.0 50.5 51.9   52.1 50.2 51.0 51.4 51.1 52.1
2024-01-27 CDEC 3.565 2.893 5.096 49.6 49.9 50.2 51.1   51.0 50.2 50.9 51.1 50.4 51.0
2024-01-26 CDEC 3.540 2.573 5.113 50.0 50.1 50.2 50.9   50.8 50.2 50.8 51.0 50.2 50.5
2024-01-25 CDEC 3.511 2.890 5.111 50.2 50.4 50.7 51.5   51.5 50.2 50.8 51.0 51.4 51.8
2024-01-24 CDEC 3.471 2.324 5.111 50.3 50.6 50.6 51.5   51.5 50.1 50.6 50.8 51.0 50.9
2024-01-23 CDEC 3.428 2.253 5.106 50.2 50.5 50.7 51.7   51.7 50.1 50.5 50.7 51.4 51.8
2024-01-22 CDEC 3.359 1.531 5.104 50.2 50.8 50.8 51.2   51.1 50.1 50.2 50.4 51.4 51.4
2024-01-21 CDEC 3.272 2.057 5.050 49.8 49.9 50.1 50.7   50.6 50.0 50.1 50.4 50.4 50.3
2024-01-20 CDEC 3.217 2.864 5.042 49.6 49.6 49.9 50.3   50.3 50.0 50.1 50.4 49.7 50.2
2024-01-19 CDEC 3.192 3.664 5.063 49.8 49.6 49.9 49.8   49.4 50.1 50.1 50.3 50.2 50.5
2024-01-18 CDEC 3.184 4.350 5.046 50.0 49.8 50.0 49.6   49.0 50.1 50.1 50.2 50.1 50.4
2024-01-17 CDEC 3.177 4.657 5.063 50.0 49.7 49.9 48.4   47.9 50.2 50.2 50.3 50.0 50.3
2024-01-16 CDEC 3.173 4.674 5.056 50.0 49.5 49.5 48.4   47.8 50.3 50.3 50.4 49.8 49.8
2024-01-15 CDEC 3.171 4.254 5.061 50.0 49.7 49.9 48.5   47.6 50.4 50.4 50.5 50.8 51.2
2024-01-14 CDEC 3.167 4.730 5.060 50.1 49.4 49.7 46.7   45.5 50.4 50.4 50.4 50.0 50.3
2024-01-13 CDEC 3.159 4.985 5.056 50.0 48.7 49.0 47.2   47.4 50.5 50.5 50.5 49.7 49.5
2024-01-12 CDEC 3.154 4.976 5.059 50.0 49.6 49.5 48.5   47.5 50.7 50.7 50.7 50.3 50.2
2024-01-11 CDEC 3.152 4.867 5.062 50.3 49.9 49.8 48.5   47.7 50.8 50.9 51.0 51.0 51.1
2024-01-10 CDEC 3.152 4.927 5.063 50.7 50.2 50.1 49.5   48.7 51.0 51.1 51.2 50.6 50.4
2024-01-09 CDEC 3.149 4.392 5.058 50.6 50.2 50.2 49.6   49.0 51.1 51.2 51.4 50.5 50.5
2024-01-08 CDEC 3.148 4.466 5.044 50.5 50.2 50.2 49.0   47.8 51.2 51.4 51.5 50.7 50.9
2024-01-07 CDEC 3.147 4.199 5.049 50.7 50.2 50.1 48.6   47.8 51.4 51.6 51.8 50.8 50.9
2024-01-06 CDEC 3.148 3.992 5.034 50.9 50.5 50.5 49.7   48.9       51.2 51.2
2024-01-05 CDEC 3.145 3.762 5.058 51.2 50.9 51.0 50.3   49.7       51.7 52.0
2024-01-04 CDEC 3.139 3.170 5.100 51.3 51.0 51.1 50.0   49.3       51.9 52.2
2024-01-03 CDEC 3.130 3.410 5.060 51.5 51.1 51.2 49.8   49.6       51.9 52.2
2024-01-02 CDEC 3.120 4.510 5.038 51.5 51.1 51.1 50.7   50.2       51.3 51.3
2024-01-01 CDEC 3.115 4.270 5.034 51.6 51.4 51.6 51.7   51.4       52.2 52.7

Data Methods, Notes, Citations

Data Methods

  1. Data Courtesy of CDEC
  2. Hourly data is retrieved from CDEC on a daily basis.
  3. Columbia Basin Research (CBR) QA/QC processes hourly data for outliers, false data (e.g., 32F measured by satellite), and data outside expected range of observation (e.g., 90F). Data loaded into CBR database.
  4. CBR calculates Daily Average values based on CBR cleaned hourly values.
  5. CBR calculates 7 Day Average of Daily Maximum (7DADM) values based on CBR cleaned hourly values.
  6. Query for daily average water temperature for selected year and query maximum hourly value per day for selected year.
  7. Examine daily average data for criterion during date periods.

Threshold Analysis Criteria

Please refer to the Sacramento River Temperature Task Group (SRTTG) annual reports for details on within water year activities.

Citation
Columbia Basin Research, University of Washington. (2024). SacPAS Sacramento River Temperature Threshold Analysis. Available from www.cbr.washington.edu/sacramento/data/tc_sacramento.html
Generated: 19 Apr 2024 09:15:03 PDT. www.cbr.washington.edu/sacramento/data/.

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SacPAS: Central Valley Prediction & Assessment of Salmon, University of Washington, Columbia Basin Research, www.cbr.washington.edu/sacramento/