SacPAS: Central Valley Prediction & Assessment of Salmon

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WY2024 Current Conditions for the Salmon Monitoring Team


Go To: DCC Operations || Alerts: Deer Creek, Mill Creek, Wilkins Slough, Knights Landing || Juvenile Sampling || Historical Migration Pattern for "Today" || Species Distribution Estimates || Loss&Salvage Predictor Estimates || Delta STARS Estimates || Single-Year Loss Thresholds

Content on this page is updated daily and includes the most up-to-date datasets contained in the SacPAS database. Juvenile monitoring and salvage data are updated as made available publicly.

Data Load Timing:
SacPAS Related Queries and Tools:

DCC Operations

graphic Catch Index Knights Landing, Sacramento Trawls, Sacramento Beach Seines (10/1/2023 - 12/31/2023)
Alerts for Environmental Surrogates (Flow and Temperature)
Date Knights Landing RST: Winter Chinook: Catch Index Knights Landing RST: Older Chinook: Catch Index Sacramento Trawls: Older Chinook: Catch Index Sacramento Beach Seines: Older Chinook: Catch Index Alert: Catch Index > 5 Alert: Catch Index 3 < X ≤ 5
2023-12-31            
2023-12-30            
2023-12-29            
2023-12-28            
2023-12-27            
2023-12-26            
2023-12-25            
2023-12-24            
2023-12-23            
2023-12-22     0 0    
2023-12-21            
2023-12-20     0 1.3    
2023-12-19            
2023-12-18     0 0    
2023-12-17            
2023-12-16            
2023-12-15     0 0    
2023-12-14            
2023-12-13     0 0    
2023-12-12            
2023-12-11 0 0 0 0    
2023-12-10            
2023-12-09            
2023-12-08            
2023-12-07     0 0    
2023-12-06       0    
2023-12-05     0      
2023-12-04 0 0 0 0    
2023-12-03            
2023-12-02 0 0        
2023-12-01     0 0    
2023-11-30 0 0        
2023-11-29 0 0 0 0    
2023-11-28 0 0        
2023-11-27 0 0 0 0    
2023-11-26 1.1 1.1        
2023-11-25 0 0        
2023-11-24 0 0        
2023-11-23 0 0        
2023-11-22 0 0 0 0    
2023-11-21 0 0 0 0    
2023-11-20 0 0 0 0    
2023-11-19 0 0        
2023-11-18 0 0        
2023-11-17 0 0        
2023-11-16 0 0 0 0    
2023-11-15 0 0   0    
2023-11-14 0 0 0      
2023-11-13 0 0 0 0    
2023-11-12 0 0        
2023-11-11 0 0        
2023-11-10 0 0        
2023-11-09 0 0 0 0    
2023-11-08 0 0        
2023-11-07 0 0 0      
2023-11-06 0 0 0 0    
2023-11-05 0 0        
2023-11-04 0 0        
2023-11-03 0 0 0 0    
2023-11-02 0 0        
2023-11-01 0 0 0 0    
2023-10-31 0 0        
2023-10-30 0 0 0 0    
2023-10-29 0.5 0.5        
2023-10-28 0 0        
2023-10-27 0 0 0 0    
2023-10-26 0.5 0.5        
2023-10-25     0 0    
2023-10-24 1.0 1.0        
2023-10-23 0 0 0 0    
2023-10-22 0 0        
2023-10-21 0.5 0.5        
2023-10-20 0 0 0 0    
2023-10-19 0 0        
2023-10-18 0 0 0 0    
2023-10-17 0.5 0.5        
2023-10-16     0 0    
2023-10-15            
2023-10-14            
2023-10-13     0 0    
2023-10-12 0 0        
2023-10-11 0 0 0 0    
2023-10-10 0 0 0 0    
2023-10-09            
2023-10-08            
2023-10-07            
2023-10-06 0 0 0 0    
2023-10-05 0 0 0      
2023-10-04 0 0 0 0    
2023-10-03 0 0        
2023-10-02     0 0    
2023-10-01            
0 value indicates sampling occurred. Calculations generated by SacPAS. Data Courtesy of USFWS Lodi via weekly email and CDFW via StreamNet.

Updated: Monday, 01-Jan-2024 16:15:10 PST

Part 1: DCC operations by Knights Landing or Sacramento Catch Indices (PA 4-56)
Monitoring period: 1 October-30 November
Water quality criteria per D-1641 are met and either the Knights Landing Catch Index or Sacramento Catch Index is greater than 5.0 fish per day (close until both < 3/day)
Water quality criteria per D-1641 are met, either Knights Landing Catch Index or the Sacramento Catch Index are greater than 3.0 fish per day but less than or equal to five fish per day. (closed for 3 days)

Alerts: Deer Creek, Mill Creek, Wilkins Slough, Knights Landing

Daily Average Flow and Temperature Last 7 Days
Date Mill Creek (MLM): mean daily flow (cfs) Mill Creek (MLM): flow percent change Mill Creek (MLM): Alert Deer Creek (DCV): mean daily flow (cfs) Deer Creek (DCV): flow percent change Deer Creek (DCV): Alert Wilkins Slough (WLK): mean daily flow (cfs) Knights Landing RST: water temperature (f) WLK-KNL: Alert
2/24/2024 533.5 -18.9% Flow>95cfs 806.5 -18.2% Flow>95cfs 26427.8    
2/23/2024 658.0 -25.6% Flow>95cfs 986.0 -24.8% Flow>95cfs 26583.3    
2/22/2024 884.9 -37.5% Flow>95cfs 1310.4 -36.5% Flow>95cfs 26927.1    
2/21/2024 1415.5 -43.9% Flow>95cfs 2062.1 -38.7% Flow>95cfs 26940.6    
2/20/2024 2522.8 -14.4% Flow>95cfs 3364.0 5.6% Flow>95cfs 26420.2    
2/19/2024 2948.8 209.4% Flow>95cfs Change>50% 3184.5 173.4% Flow>95cfs Change>50% 25423.3    
2/18/2024 953.0 107.7% Flow>95cfs Change>50% 1164.7 106.9% Flow>95cfs Change>50% 23689.2    
Calculations generated by SacPAS. Data Courtesy of CDEC and CDFW via StreamNet.

Updated: Sunday, 25-Feb-2024 08:30:03 PST

Monitor Deer Creek and Mill Creek for average daily flow >95 cfs or >50% change from prior day

Monitor for both conditions: Wilkins Slough average daily flow >7500 cfs and Knights Landing temperature <56.3F

Juvenile Sampling

Juvenile Sampling Summary for 02/18/2024-02/24/2024 (last 7 days) and 02/11/2024-02/17/2024 (previous 7 days)

Date RangeData ItemButte Creek Diversion and RSTTisdale Weir RSTKnights Landing RSTLower Feather River RSTLower Sacramento River RSTSacramento Trawls (@ Sherwood Harbor)Sacramento Beach SeinesChipps Island TrawlsMossdale Trawls
Date RangeData ItemButte Creek Diversion and RSTTisdale Weir RSTKnights Landing RSTLower Feather River RSTLower Sacramento River RSTSacramento Trawls (@ Sherwood Harbor)Sacramento Beach SeinesChipps Island TrawlsMossdale Trawls
02/18/2024-02/24/2024Min Sample Date2024-02-182024-02-18
02/18/2024-02/24/2024Max Sample Date2024-02-182024-02-20
02/18/2024-02/24/2024Days with Sampling12
02/18/2024-02/24/2024Fall Chinook0513
02/18/2024-02/24/2024Spring Chinook06
02/18/2024-02/24/2024Winter Chinook08
02/18/2024-02/24/2024LateFall Chinook00
02/18/2024-02/24/2024Chinook (ad-clip)01
02/18/2024-02/24/2024Steelhead (natural)00
02/18/2024-02/24/2024Steelhead (ad-clip)05
02/18/2024-02/24/2024Avg Flow (cfs)1895.942182.626058.818154.063204.863204.897199.08763.9
02/18/2024-02/24/2024Avg Water Temp (F)10.343.052.752.754.8
02/18/2024-02/24/2024Avg Turbidity (NTU)25.543.4
02/11/2024-02/17/2024Min Sample Date2024-02-112024-02-112024-02-122024-02-122024-02-122024-02-12
02/11/2024-02/17/2024Max Sample Date2024-02-172024-02-132024-02-172024-02-162024-02-162024-02-16
02/11/2024-02/17/2024Days with Sampling736000
02/11/2024-02/17/2024Fall Chinook8311299828905
02/11/2024-02/17/2024Spring Chinook10757500
02/11/2024-02/17/2024Winter Chinook3218460
02/11/2024-02/17/2024LateFall Chinook000000
02/11/2024-02/17/2024Chinook (ad-clip)1018000
02/11/2024-02/17/2024Steelhead (natural)000300
02/11/2024-02/17/2024Steelhead (ad-clip)1183215220
02/11/2024-02/17/2024Avg Flow (cfs)660.127273.623663.27750.853140.753140.760155.76755.1
02/11/2024-02/17/2024Avg Water Temp (F)9.942.242.450.850.851.152.6
02/11/2024-02/17/2024Avg Turbidity (NTU)37.914.331.569.069.090.766.1
source of Avg Flow (cfs)Butte Creek nr Chico (BCK)Colousa (COL)Wilkins Slough (WLK)Boyd's Landing (FSB)Verona (VON)Freeport (FPT)Freeport (FPT)Delta OutFlow (DTO)Vernalis (VNS)
source of Avg Water Temp (F)Butte CreekTisdale WeirKnights LandingLower Feather RiverLower Sacramento RiverHood (SRH)Hood (SRH)Chipps Island TrawlsVernalis (VNS)
source of Avg Turbidity (NTU)Butte CreekTisdale WeirKnights LandingLower Feather RiverLower Sacramento RiverSacramento TrawlsSacramento TrawlsChipps Island TrawlsMossdale Trawls

Updated: Sunday, 25-Feb-2024 08:16:04 PST

Historical Migration Pattern for "Today"

Average Percent by 02/24, with 95%CI, of annual emigrating population for juveniles of each species of interest (based on LAD) captured at the following locations and salvaged at SWP and CVP Delta facilities
Species Red Bluff Diversion Dam Tisdale RST Knights Landing RST Sac Trawl (Sherwood) Catch Index Chipps Island Trawl Catch Index Salvage
Chinook, Winter-run, Unclipped 98.9%
(98.1%,99.8%)
BY: 2014 - 2022
96.1%
(94.0%,98.3%)
BY: 2014 - 2022
97.4%
(96.2%,98.6%)
BY: 2014 - 2022
52.3%
(24.8%,79.7%)
BY: 2014 - 2022
13.0%
(1.0%,24.9%)
BY: 2014 - 2022
42.6%
(17.1%,68.2%)
WY: 2014 - 2023
Chinook, Spring-run, Unclipped 17.3%
(5.7%,28.9%)
BY: 2014 - 2022
26.3%
(5.0%,47.6%)
BY: 2014 - 2022
36.2%
(10.9%,61.6%)
BY: 2014 - 2022
9.1%
(-2.6%,20.7%)
BY: 2014 - 2022
0.0%
(-0.0%,0.1%)
BY: 2014 - 2022
0.5%
(-0.6%,1.7%)
WY: 2014 - 2023
Steelhead, Unclipped (January-December) 1.9%
(0.4%,3.3%)
BY: 2014 - 2023
39.7%
(20.0%,59.4%)
BY: 2014 - 2023
36.2%
(19.2%,53.3%)
BY: 2014 - 2023
35.0%
(6.9%,63.2%)
BY: 2014 - 2023
32.6%
(11.4%,53.8%)
BY: 2014 - 2023
 
Steelhead, Unclipped (December-March)           41.6%
(19.9%,63.4%)
WY: 2014 - 2023
Steelhead, Unclipped (April-June)            
Calculations generated by SacPAS Migration Timing and Conditions by Cohort and Salvage Timing. Data Courtesy of USFWS, Red Bluff; CDFW via StreamNet and CDEC; USFWS, Lodi.

Updated: Sunday, 25-Feb-2024 06:32:36 PST

Species Distribution Estimates

Estimates presented during weekly meetings. Submitted by BOR to SacPAS after weekly meetings for generation of plots.

graph natural young of year yoy winter-run Chinook salmon distribution estimates graph  natural young of year yoy spring-run Chinook salmon distribution estimates graph  natural origin steelhead distribution estimates

Loss&Salvage Predictor Estimates

Current estimates generated by the Loss and Salvage Predictor tool. Predicts loss and/or salvage of endangered steelhead and winter run Chinook salmon at the CVP and SWP pumping facilities at the southern end of the Sacramento-San Joaquin Delta. Available Decemer to mid-June.

Updated: Saturday, 24-Feb-2024 10:05:04 PST

plot estimates of Steelhead Loss generated by Loss and Salvage Predictor tool plot estimates of Chinook Winter Run Loss generated by Loss and Salvage Predictor tool
Environmental Conditions, Loss and Salvage Predictor Input and Output
Parameter TokenParameter DescriptionWater YearWeekWeek TypeValue
temp.malWater Temperature °C, Mallard Island (MAL) from CDEC202420Data11
precipPrecipitation Inches, 5 day running sum, Stockton Fire Station (SFS) from CDEC202420Data0.15
om.sumOMR Flows CFS, sum of tidally-filtered discharge at Middle River and Bacon Island from USGS202420Data-3554
sacSacramento Flows CFS, Freeport (FPT) from CDEC202420Data53141
dccDCC Gate Status from BOR202420Dataclosed
sjrSan Joaquin River Flow CFS, Vernalis (VNS) from CDEC 202420Data6748
exportExports CFS, sum of Pumping Discharge at HRO and TRP from CDEC202420Data7018
steelhead.pwSteelhead Previous Week202420Data365.3
winter.pwWinter Chinook Previous Week202420Data392.97
temp.malWater Temperature °C, Mallard Island (MAL) from CDEC202421Forecast11
precipPrecipitation Inches, 5 day running sum, Stockton Fire Station (SFS) from CDEC202421Forecast0.15
om.sumOMR Flows CFS, sum of tidally-filtered discharge at Middle River and Bacon Island from USGS202421Forecast-3554
sacSacramento Flows CFS, Freeport (FPT) from CDEC202421Forecast53141
dccDCC Gate Status from BOR202421Forecastclosed
sjrSan Joaquin River Flow CFS, Vernalis (VNS) from CDEC 202421Forecast6748
exportExports CFS, sum of Pumping Discharge at HRO and TRP from CDEC202421Forecast7018
steelhead.pwSteelhead Previous Week202421Forecast242.76
winter.pwWinter Chinook Previous Week202421Forecast142.25
Fish, Loss and Salvage Predictor Input and Output
Parameter TokenParameter DescriptionWater YearWeekValue
Steelhead.LowPredicted Steelhead, Low %20242024
Steelhead.MedianPredicted Steelhead, Median %202420243
Steelhead.HighPredicted Steelhead, High %202420527
Winter.Run.LowPredicted Chinook Winter Run, Low %20242017
Winter.Run.MedianPredicted Chinook Winter Run, Median %202420142
Winter.Run.HighPredicted Chinook Winter Run, High %202420729
Steelhead.Observed.lossObserved Steelhead loss202420239
Winter.Run.Observed.lossObserved Chinook Winter Run loss20242097
Steelhead.Cumulative.lossObserved Steelhead Cumulative loss202420889
Winter.Run.Cumulative.lossObserved Chinook Winter Run Cumulative loss202420661
Steelhead.LowPredicted Steelhead, Low %20242123
Steelhead.MedianPredicted Steelhead, Median %202421141
Steelhead.HighPredicted Steelhead, High %202421284
Winter.Run.LowPredicted Chinook Winter Run, Low %2024215
Winter.Run.MedianPredicted Chinook Winter Run, Median %202421107
Winter.Run.HighPredicted Chinook Winter Run, High %202421456
Steelhead.Observed.lossObserved Steelhead loss202421NA
Winter.Run.Observed.lossObserved Chinook Winter Run loss202421NA
Steelhead.Cumulative.lossObserved Steelhead Cumulative loss202421889
Winter.Run.Cumulative.lossObserved Chinook Winter Run Cumulative loss202421661

Delta STARS Estimates

Current estimates generated by the Delta STARS tool. STARS Predicted Survival, Travel-Time and Routing for Late-Fall Run and Winter Run Chinook. Delta STARS developed by USGS Quantitative Fisheries Ecology Section and deployed by SacPAS.

Updated: Saturday, 24-Feb-2024 10:06:02 PST

Delta STARS Survival and Routing Estimates
StockDateRouteParameterEstimateLower 80% Credible LimitUpper 80% Credible Limit
Winter Chinook2024-02-23OverallMedian Travel Time8.27317.55688.8184
Winter Chinook2024-02-23OverallSurvival0.744810.657860.83074
Winter Chinook2024-02-23Sacramento RiverMedian Travel Time3.01633
Winter Chinook2024-02-23Sacramento RiverRouting Probability0.0515230.0250830.083117
Winter Chinook2024-02-23Sacramento RiverSurvival0.829790.76590.89065
Winter Chinook2024-02-23Yolo BypassMedian Travel Time8.66689
Winter Chinook2024-02-23Yolo BypassRouting Probability0.925370.880950.96245
Winter Chinook2024-02-23Yolo BypassSurvival0.739340.647140.83022
Winter Chinook2024-02-23Sutter SloughMedian Travel Time3.68834
Winter Chinook2024-02-23Sutter SloughRouting Probability0.00934880.00431520.015547
Winter Chinook2024-02-23Sutter SloughSurvival0.738840.654060.82042
Winter Chinook2024-02-23Steamboat SloughMedian Travel Time3.08133
Winter Chinook2024-02-23Steamboat SloughRouting Probability0.00644870.00280620.010661
Winter Chinook2024-02-23Steamboat SloughSurvival0.824520.758690.89102
Winter Chinook2024-02-23Interior DeltaMedian Travel Time6.01666
Winter Chinook2024-02-23Interior DeltaRouting Probability0.00730840.00338010.012274
Winter Chinook2024-02-23Interior DeltaSurvival0.779520.685410.86369
Late-fall Chinook2024-02-23OverallMedian Travel Time3.15922.34464.3436
Late-fall Chinook2024-02-23OverallSurvival0.658740.517360.76698
Late-fall Chinook2024-02-23Delta Cross ChannelMedian Travel TimeNANANA
Late-fall Chinook2024-02-23Delta Cross ChannelRouting Probability000
Late-fall Chinook2024-02-23Delta Cross ChannelSurvivalNANANA
Late-fall Chinook2024-02-23Georgiana SloughMedian Travel Time4.92273.148.2909
Late-fall Chinook2024-02-23Georgiana SloughRouting Probability0.1790.1390.2171
Late-fall Chinook2024-02-23Georgiana SloughSurvival0.37340.14510.64144
Late-fall Chinook2024-02-23Sacramento RiverMedian Travel Time2.68091.85883.9983
Late-fall Chinook2024-02-23Sacramento RiverRouting Probability0.4710.42190.5201
Late-fall Chinook2024-02-23Sacramento RiverSurvival0.720650.55540.84087
Late-fall Chinook2024-02-23Sutter and Steamboat SloughMedian Travel Time3.11922.23374.7007
Late-fall Chinook2024-02-23Sutter and Steamboat SloughRouting Probability0.350.3050.4
Late-fall Chinook2024-02-23Sutter and Steamboat SloughSurvival0.716570.549120.83768

Single-Year Loss Thresholds

Single-Year Loss Thresholds (PA 4-69)

In each year, typically January/February, Reclamation and DWR propose to avoid exceeding an annual loss threshold equal to 90% of the greatest annual loss that occurred in the historical record 2010-2018 for each of:

(More information on 4-70)

Summary Loss Table

WYData ItemWinter-run Chinook : 10/1-6/30Natural Steelhead : 12/1-3/31Natural Steelhead : 4/1-6/15
WY2024Loss Total Last 1-7 days (02/18/2024-02/24/2024)4.9369.50
WY2024Loss Total Last 8-14 days (02/11/2024-02/17/2024)96.93239.090
WY2024Cumulative Loss Total665.76958.570
Note: Natural Steelhead (12/1-3/31) loss total includes 0.68 loss during period 10/1-11/30.

Natural Winter-Run Chinook Salmon Loss

graph loss Natural Winter-Run Chinook Salmon graph loss Natural Winter-Run Chinook Salmon with WY2009-2018 history graph loss Natural Winter-Run Chinook Salmon with WY2009-2018 history

Natural Central Valley Steelhead

graph loss Natural Central Valley Steelhead graph Natural Central Valley Steelhead with WY2009-2018 history graph loss Natural Central Valley Steelhead from December through March with WY2009-2018 history graph loss Natural Central Valley Steelhead from April through June 15 with WY2009-2018 history

Daily Loss Table

WYDateWinter-run Chinook : 10/1-6/30 : Daily LossWinter-run Chinook : 10/1-6/30 : Cum LossNatural Steelhead : 12/1-3/31 : Daily LossNatural Steelhead : 12/1-3/31 : Cum LossNatural Steelhead : 4/1-6/15 : Daily LossNatural Steelhead : 4/1-6/15 : Cum Loss
WYDateWinter-run Chinook : 10/1-6/30 : Daily LossWinter-run Chinook : 10/1-6/30 : Cum LossNatural Steelhead : 12/1-3/31 : Daily LossNatural Steelhead : 12/1-3/31 : Cum LossNatural Steelhead : 4/1-6/15 : Daily LossNatural Steelhead : 4/1-6/15 : Cum Loss
WY20242024-02-210665.760958.57
WY20242024-02-202.33665.7632.53958.57
WY20242024-02-190663.4317.93926.04
WY20242024-02-182.6663.4319.04908.11
WY20242024-02-177.8660.8333.64889.07
WY20242024-02-162.6653.0334.14855.43
WY20242024-02-1522.52650.4322.26821.29
WY20242024-02-149.53627.9142.8799.03
WY20242024-02-1319.28618.3816.32756.23
WY20242024-02-124.93599.124.37739.91
WY20242024-02-1130.27594.1765.56715.54
WY20242024-02-1051.16563.948.74649.98
WY20242024-02-0953.62512.7460.12601.24
WY20242024-02-08150.62459.12125.82541.12
WY20242024-02-0763.4308.586.1415.3
WY20242024-02-0646.54245.116.82329.2
WY20242024-02-057.21198.5616.82312.38
WY20242024-02-0420.42191.3510.88295.56
WY20242024-02-032.88170.938.16284.68
WY20242024-02-020168.0516.32276.52
WY20242024-02-0137.98168.0566.06260.2
WY20242024-01-3112.99130.0717.32194.14
WY20242024-01-3015.8117.0848.74176.82
WY20242024-01-2936.81101.2850.35128.08
WY20242024-01-289.5764.474.3377.73
WY20242024-01-277.5254.98.1673.4
WY20242024-01-269.5747.382.7265.24
WY20242024-01-253.1937.818.1662.52
WY20242024-01-24034.625.4454.36
WY20242024-01-23034.62048.92
WY20242024-01-224.3334.62048.92
WY20242024-01-21030.29048.92
WY20242024-01-20030.29048.92
WY20242024-01-19030.29048.92
WY20242024-01-18030.29048.92
WY20242024-01-17030.29048.92
WY20242024-01-164.3330.29048.92
WY20242024-01-152.8825.962.7248.92
WY20242024-01-1411.5423.088.6646.2
WY20242024-01-13011.54037.54
WY20242024-01-12011.54037.54
WY20242024-01-118.6611.5425.9837.54
WY20242024-01-1002.88011.56
WY20242024-01-092.882.885.4411.56
WY20242024-01-080006.12
WY20242024-01-070006.12
WY20242024-01-060006.12
WY20242024-01-050006.12
WY20242024-01-04002.726.12
WY20242024-01-030003.4
WY20242024-01-020003.4
WY20242024-01-010003.4
WY20242023-12-310003.4
WY20242023-12-30002.723.4
WY20242023-12-290000.68
WY20242023-12-280000.68
WY20242023-12-270000.68
WY20242023-12-260000.68
WY20242023-12-250000.68
WY20242023-12-240000.68
WY20242023-12-230000.68
WY20242023-12-220000.68
WY20242023-12-210000.68
WY20242023-12-200000.68
WY20242023-12-190000.68
WY20242023-12-180000.68
WY20242023-12-170000.68
WY20242023-12-160000.68
WY20242023-12-150000.68
WY20242023-12-140000.68
WY20242023-12-130000.68
WY20242023-12-120000.68
WY20242023-12-110000.68
WY20242023-12-100000.68
WY20242023-12-090000.68
WY20242023-12-080000.68
WY20242023-12-070000.68
WY20242023-12-060000.68
WY20242023-12-050000.68
WY20242023-12-040000.68
WY20242023-12-030000.68
WY20242023-12-020000.68
WY20242023-12-01000.680.68
WY20242023-11-3000
WY20242023-11-2900
WY20242023-11-2800
WY20242023-11-2700
WY20242023-11-2600
WY20242023-11-2500
WY20242023-11-2400
WY20242023-11-2300
WY20242023-11-2200
WY20242023-11-2100
WY20242023-11-2000
WY20242023-11-1900
WY20242023-11-1800
WY20242023-11-1700
WY20242023-11-1600
WY20242023-11-1500
WY20242023-11-1400
WY20242023-11-1300
WY20242023-11-1200
WY20242023-11-1100
WY20242023-11-1000
WY20242023-11-0900
WY20242023-11-0800
WY20242023-11-0700
WY20242023-11-0600
WY20242023-11-0500
WY20242023-11-0400
WY20242023-11-0300
WY20242023-11-0200
WY20242023-11-0100
WY20242023-10-3100
WY20242023-10-3000
WY20242023-10-2900
WY20242023-10-2800
WY20242023-10-2700
WY20242023-10-2600
WY20242023-10-2500
WY20242023-10-2400
WY20242023-10-2300
WY20242023-10-2200
WY20242023-10-2100
WY20242023-10-2000
WY20242023-10-1900
WY20242023-10-1800
WY20242023-10-1700
WY20242023-10-1600
WY20242023-10-1500
WY20242023-10-1400
WY20242023-10-1300
WY20242023-10-1200
WY20242023-10-1100
WY20242023-10-1000
WY20242023-10-0900
WY20242023-10-0800
WY20242023-10-0700
WY20242023-10-0600
WY20242023-10-0500
WY20242023-10-0400
WY20242023-10-0300
WY20242023-10-0200
WY20242023-10-0100
Note: Natural Steelhead (12/1-3/31) loss total includes 0.68 loss during period 10/1-11/30.

Data Set Notes:

  1. 2019 Biological Opinions, USBR includes link to "Chapter 4 Proposed Action" PDF
  2. Water condtions data courtesy of CDEC.
  3. Knights Landing RST and Tisdale RST data courtesy of CDFW via StreamNet.
    • The Knights Landing RST: uses Frank Fisher length-at-date model to categorize Chinook into "older" and "fry/smolt".
  4. Sacramento Trawls, Sacramento Beach Seines, Chipps Island Trawls, and Mossdale Trawls sampling data courtesy of USFWS Lodi weekly.
    • Sacramento Beach Seines: Verona, Elkhorn, Sand Cove, Miller Park, Sherwood Harbor, Discovery Park, American River, Garcia Bend.
    • 30 November 2020: Sampling at Mossdale Trawls stopped; sampling at the sites deemed "non-essential" during COVID-19 response.
  5. Salvage data courtesy of Fish Salvage Monitoring, CDFW Bay Delta Region
    • Salvage Database, ftp://ftp.dfg.ca.gov/salvage/
    • We use loss estimation methods as detailed in "Chinook Salmon Loss Estimation for Skinner Delta Fish Protective Facility and Tracy Fish Collection Facility, 7/9/2018" ftp://ftp.wildlife.ca.gov/salvage/Salmon%20loss%20estimation.docx

Citation
Columbia Basin Research, University of Washington. (2020). SacPAS Salmon Monitoring Team. Available from www.cbr.washington.edu/sacramento/workgroups/salmon_monitoring.html

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POC: web@cbr.washington.edu

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

Friday, 02-Feb-2024 10:02:24 PST