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StreamStats Data-Collection Station Report


USGS Station Number 13135500
Station Name BIG WOOD RIVER NR KETCHUM ID
 
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Descriptive Information

Station Type Streamgage, continuous record
Location
Gage
Regulation and Diversions
Regulated? False
Period of Record 1948-71
Remarks
Latitude (degrees NAD83) 43.78629677
Longitude (degrees NAD83) -114.4250547
Hydrologic unit code 17040219
County 013-Blaine
HCDN2009 No

       
Physical Characteristics

Characteristic Name Value Units Citation Number

Descriptive Information
State_Code 16 dimensionless 30
High_Flow_Region_Code 5 dimensionless 303
Low_Flow_Region_Code 5 dimensionless 118
High_Flow_Regression_Equation Yes Yes or No 303
Other_Regression_Equation Yes Yes or No 196
Datum_of_Latitude_Longitude NAD83 dimensionless 30
District_Code 16 dimensionless 30
Begin_date_of_record 6/1/1948 days 41
End_date_of_record 11/11/1971 days 41
Number_of_days_of_record 8564 days 41
Number_of_days_GT_0 8564 days 41
Precipitation Statistics
24_Hour_2_Year_Precipitation 1.8000 inches 31
Mean_Annual_Precipitation 31.4 inches 118
Mean_Annual_Precip_PRISM_1981_2010 34.6 inches 303
Temperature Statistics
Mean_January_Temperature 8.0000 degrees F 31
Mean_Min_January_Temperature 0.0000 degrees F 31
Mean_July_Temperature 49.000 degrees F 31
Topographical Characteristics
Latitude_of_Basin_Centroid 43.780 decimal degrees 31
Longitude_of_Basin_Centroid 114.580 decimal degrees 31
Mean_Basin_Elevation 8204 feet 39
Relief 4932 feet 118
N_Facing_Slopes_gt_30pct_from_30m_DEM 20.8 percent 39
Slopes_gt_30pct_from_30m_DEM 67.5 percent 39
Elevation_in_Thousands 8.204082 thousand feet 00
Pct_South_Facing_Slopes_add_1_ID_ROI 68.50149 percent 00
Mean_Basin_Slope_from_30m_DEM 40.6 percent 118
Slopes_Greater_Than_50_Percent 33.3 percent 118
Geological Characteristics
Percent_Volcanic 37.3 percent 118
Land Cover Characteristics
Percent_Forest 55.8 percent 39
Percent_Lakes_and_Ponds 0.0000 percent 31
Percent_Storage 0.0000 percent 31
Percent_Forest_add_1_ID_ROI_Parm 56.79368 percent 00
Percent_Water_from_NLCD1992 0.041 percent 118
Percent_Developed_from_NLCD92 0.044 percent 118
Percent_Planted_from_NLCD1992 0.009 percent 118
Soil Properties
Soil_Infiltration 5.8000 inches 31
Stream Channel Properties
Main_Channel_Length 19.000 miles 31
Stream_Slope_10_and_85_Method 66.78 feet per mi 196
Basin Dimensional Characteristics
Contributing_Drainage_Area 137.000 square miles 31
Drainage_Area 137.5 square miles 118

 
Streamflow Statistics



Statistic Name


Value


Units

Citation Number


Preferred?
Years of Record Standard Error, percent
Variance log-10
Lower 95% Confidence Interval Upper 95% Confidence Interval
Start Date

End Date


Remarks

Peak-Flow Statistics
42_9_percent_AEP_flood 645.000 cubic feet per second 31 Y
50_percent_AEP_flood 926 cubic feet per second 303 Y 27 10/1/1947 9/30/2013
20_percent_AEP_flood 1310 cubic feet per second 303 Y 27 10/1/1947 9/30/2013
10_percent_AEP_flood 1570 cubic feet per second 303 Y 27 10/1/1947 9/30/2013
4_percent_AEP_flood 1890 cubic feet per second 303 Y 27 10/1/1947 9/30/2013
2_percent_AEP_flood 2130 cubic feet per second 303 Y 27 10/1/1947 9/30/2013
1_percent_AEP_flood 2370 cubic feet per second 303 Y 27 10/1/1947 9/30/2013
0_5_percent_AEP_flood 2620 cubic feet per second 303 Y 27 10/1/1947 9/30/2013
0_2_percent_AEP_flood 2950 cubic feet per second 303 Y 27 10/1/1947 9/30/2013
Log_STD_of_Annual_Peaks 0.17245 Log base 10 00 Y
Systematic_peak_years 27 years 303 N
66_7_percent_AEP_flood 774 cubic feet per second 303 Y 27 10/1/1947 9/30/2013
42_9_percent_AEP_flood 998 cubic feet per second 303 Y 27 10/1/1947 9/30/2013
80_percent_AEP_flood 651 cubic feet per second 303 Y 27 10/1/1947 9/30/2013
Period_of_record_of_historic_peaks 27 years 303 N
Flood-Volume Statistics
7_Day_2_Year_Maximum 742.000 cubic feet per second 31 Y
7_Day_10_Year_Maximum 1270.00 cubic feet per second 31 Y
7_Day_25_Year_Maximum 1540.00 cubic feet per second 31 Y
Low-Flow Statistics
1_Day_10_Year_Low_Flow 22.5 cubic feet per second 118 Y 22 Period of record used for computation 194872
7_Day_2_Year_Low_Flow 39.1 cubic feet per second 118 Y 22 Period of record used for computation 194872
7_Day_10_Year_Low_Flow 34 cubic feet per second 118 Y 22 Period of record used for computation 194872
30_Day_5_Year_Low_Flow 40.5 cubic feet per second 118 Y 22 Period of record used for computation 194872
Years_of_Zero_1_Day_Low_Flows 0 years 118 Y 22 Period of record used for computation 194872
Years_of_Zero_30_Day_Low_Flows 0 years 118 Y 22 Period of record used for computation 194872
Years_of_Zero_7_Day_Low_Flows 0 years 118 Y 22 Period of record used for computation 194872
Flow-Duration Statistics
1_Percent_Duration 1040 cubic feet per second 325 Y 27 10/1/1948 9/30/2015
2_Percent_Duration 869 cubic feet per second 325 Y 27 10/1/1948 9/30/2015
3_Percent_Duration 763 cubic feet per second 325 Y 27 10/1/1948 9/30/2015
5_Percent_Duration 633 cubic feet per second 325 Y 27 10/1/1948 9/30/2015
10_Percent_Duration 434 cubic feet per second 325 Y 27 10/1/1948 9/30/2015
15_Percent_Duration 313 cubic feet per second 325 Y 27 10/1/1948 9/30/2015
20_Percent_Duration 219 cubic feet per second 325 Y 27 10/1/1948 9/30/2015
25_Percent_Duration 157 cubic feet per second 325 Y 27 10/1/1948 9/30/2015
30_Percent_Duration 118 cubic feet per second 325 Y 27 10/1/1948 9/30/2015
35_Percent_Duration 95 cubic feet per second 325 Y 27 10/1/1948 9/30/2015
40_Percent_Duration 84 cubic feet per second 325 Y 27 10/1/1948 9/30/2015
45_Percent_Duration 76 cubic feet per second 325 Y 27 10/1/1948 9/30/2015
50_Percent_Duration 71 cubic feet per second 325 Y 27 10/1/1948 9/30/2015
55_Percent_Duration 66 cubic feet per second 325 Y 27 10/1/1948 9/30/2015
60_Percent_Duration 62 cubic feet per second 325 Y 27 10/1/1948 9/30/2015
65_Percent_Duration 59 cubic feet per second 325 Y 27 10/1/1948 9/30/2015
70_Percent_Duration 56 cubic feet per second 325 Y 27 10/1/1948 9/30/2015
75_Percent_Duration 53 cubic feet per second 325 Y 27 10/1/1948 9/30/2015
80_Percent_Duration 50 cubic feet per second 325 Y 27 10/1/1948 9/30/2015
85_Percent_Duration 48 cubic feet per second 325 Y 27 10/1/1948 9/30/2015
90_Percent_Duration 45 cubic feet per second 325 Y 27 10/1/1948 9/30/2015
95_Percent_Duration 40 cubic feet per second 325 Y 27 10/1/1948 9/30/2015
97_Percent_Duration 38 cubic feet per second 325 Y 27 10/1/1948 9/30/2015
98_Percent_Duration 37 cubic feet per second 325 Y 27 10/1/1948 9/30/2015
99_Percent_Duration 33 cubic feet per second 325 Y 27 10/1/1948 9/30/2015
Annual Flow Statistics
Mean_Annual_Flow 162 cubic feet per second 325 Y 27 10/1/1948 9/30/2015
Stand_Dev_of_Mean_Annual_Flow 49 cubic feet per second 325 Y 27 10/1/1948 9/30/2015
Maximum_Annual_Mean_Flow 270 cubic feet per second 325 Y 27 10/1/1948 9/30/2015
Minimum_Annual_Mean_Flow 86 cubic feet per second 325 Y 27 10/1/1948 9/30/2015
Monthly Flow Statistics
January_Mean_Flow 49.600 cubic feet per second 31 Y
January_STD 7.1400 cubic feet per second 31 Y
February_Mean_Flow 47.500 cubic feet per second 31 Y
February_STD 5.9300 cubic feet per second 31 Y
March_Mean_Flow 48.600 cubic feet per second 31 Y
March_STD 5.9000 cubic feet per second 31 Y
April_Mean_Flow 150.000 cubic feet per second 31 Y
April_STD 70.200 cubic feet per second 31 Y
May_Mean_Flow 474.000 cubic feet per second 31 Y
May_STD 216.000 cubic feet per second 31 Y
June_Mean_Flow 551.000 cubic feet per second 31 Y
June_STD 217.000 cubic feet per second 31 Y
July_Mean_Flow 237.000 cubic feet per second 31 Y
July_STD 116.000 cubic feet per second 31 Y
August_Mean_Flow 105.000 cubic feet per second 31 Y
August_STD 35.100 cubic feet per second 31 Y
September_Mean_Flow 77.700 cubic feet per second 31 Y
September_STD 17.700 cubic feet per second 31 Y
October_Mean_Flow 70.900 cubic feet per second 31 Y
October_STD 12.800 cubic feet per second 31 Y
November_Mean_Flow 63.200 cubic feet per second 31 Y
November_STD 8.6300 cubic feet per second 31 Y
December_Mean_Flow 53.500 cubic feet per second 31 Y
December_STD 7.6100 cubic feet per second 31 Y
January Flow-Duration Statistics
January_20_Percent_Duration 57.8 cubic feet per second 196 Y
January_50_Percent_Duration 50.2 cubic feet per second 196 Y
January_80_Percent_Duration 42.5 cubic feet per second 196 Y
February Flow-Duration Statistics
February_20_Percent_Duration 54.4 cubic feet per second 196 Y
February_50_Percent_Duration 48.3 cubic feet per second 196 Y
February_80_Percent_Duration 42 cubic feet per second 196 Y
March Flow-Duration Statistics
March_20_Percent_Duration 54.5 cubic feet per second 196 Y
March_50_Percent_Duration 47.6 cubic feet per second 196 Y
March_80_Percent_Duration 42.9 cubic feet per second 196 Y
April Flow-Duration Statistics
April_20_Percent_Duration 230 cubic feet per second 196 Y
April_50_Percent_Duration 99.3 cubic feet per second 196 Y
April_80_Percent_Duration 60.2 cubic feet per second 196 Y
May Flow-Duration Statistics
May_20_Percent_Duration 746 cubic feet per second 196 Y
May_50_Percent_Duration 421 cubic feet per second 196 Y
May_80_Percent_Duration 235 cubic feet per second 196 Y
June Flow-Duration Statistics
June_20_Percent_Duration 800 cubic feet per second 196 Y
June_50_Percent_Duration 534 cubic feet per second 196 Y
June_80_Percent_Duration 347 cubic feet per second 196 Y
July Flow-Duration Statistics
July_20_Percent_Duration 349 cubic feet per second 196 Y
July_50_Percent_Duration 202 cubic feet per second 196 Y
July_80_Percent_Duration 129 cubic feet per second 196 Y
August Flow-Duration Statistics
August_20_Percent_Duration 131 cubic feet per second 196 Y
August_50_Percent_Duration 101 cubic feet per second 196 Y
August_80_Percent_Duration 76.2 cubic feet per second 196 Y
September Flow-Duration Statistics
September_20_Percent_Duration 91.1 cubic feet per second 196 Y
September_50_Percent_Duration 78.7 cubic feet per second 196 Y
September_80_Percent_Duration 64.3 cubic feet per second 196 Y
October Flow-Duration Statistics
October_20_Percent_Duration 82.3 cubic feet per second 196 Y
October_50_Percent_Duration 72.6 cubic feet per second 196 Y
October_80_Percent_Duration 59.8 cubic feet per second 196 Y
November Flow-Duration Statistics
November_20_Percent_Duration 72.8 cubic feet per second 196 Y
November_50_Percent_Duration 64.3 cubic feet per second 196 Y
November_80_Percent_Duration 53 cubic feet per second 196 Y
December Flow-Duration Statistics
December_20_Percent_Duration 64.4 cubic feet per second 196 Y
December_50_Percent_Duration 53.4 cubic feet per second 196 Y
December_80_Percent_Duration 42.8 cubic feet per second 196 Y
General Flow Statistics
Minimum_daily_flow 18 cubic feet per second 325 Y 27 10/1/1948 9/30/2015
Maximum_daily_flow 1510 cubic feet per second 325 Y 27 10/1/1948 9/30/2015
Std_Dev_of_daily_flows 211 cubic feet per second 325 Y 27 10/1/1948 9/30/2015
Average_daily_streamflow 167.736 cubic feet per second 41 Y 23
Harmonic_Mean_Streamflow 75 cubic feet per second 325 Y 27 10/1/1948 9/30/2015
Mean_of_Logs_of_Daily_Values 1.996674 Log base 10 325 Y 27 10/1/1948 9/30/2015
Std_Dev_of_Logs_of_Daily_Values 0.380257 Log base 10 325 Y 27 10/1/1948 9/30/2015
Skew_of_Logs_of_Daily_Values 1.118692 Log base 10 325 Y 27 10/1/1948 9/30/2015
Non_Zero_Adjusted_Harmonic_Mean_Flow 75 cubic feet per second 325 Y 27 10/1/1948 9/30/2015
Base Flow Statistics
Number_of_years_to_compute_BFI 23 years 42 Y 23
Average_BFI_value 0.773 dimensionless 42 Y 23
Std_dev_of_annual_BFI_values 0.066 dimensionless 42 Y 23
Probabillity Statistics
Probability_flow_durations_are_zero 0 dimensionless 325 Y 27 10/1/1948 9/30/2015

   
Citations

Citation Number Citation Name and URL

00 none
31 Imported from Basin Characteristics file
39 Berenbrock, Charles, 2002, Estimating the Magnitude of Peak Flows at Selected Recurrence Intervals for Streams in Idaho: U.S. Geological Survey Water-Resources Investigations Report 02-4170, 59 p.
41 Wolock, D.M., 2003, Flow characteristics at U.S. Geological Survey streamgages in the conterminous United States: U.S. Geological Survey Open-File Report 03-146, digital data set
42 Wolock, D.M., 2003, Base-flow index grid for the conterminous United States: U.S. Geological Survey Open-File Report 03-263, digital data set
118 Hortness, J.E., 2006, Estimating Low-Flow Frequency Statistics for Unregulated Streams in Idaho: U.S. Geological Survey Scientific Investigations Report 2006-5035, 31 p.
196 Hortness, J.E., and Berenbrock, Charles, 2001, Estimating Monthly and Annual Streamflow Statistics at Ungaged Sites in Idaho: U.S. Geological Survey Water-Resources Investigations Report 014093, 36 p.
303 Wood, M.S., Fosness, R.L., Skinner, K.D., and Veilleux, A.G., 2016, Estimating peak-flow frequency statistics for selected gaged and ungaged sites in naturally flowing streams and rivers in Idaho: U.S. Geological Survey Scientific Investigations Report 20165083, 56 p.
325 Granato G.E., Ries, K.G., III, and Steeves, P.A., 2017, Compilation of streamflow statistics calculated from daily mean streamflow data collected during water years 19012015 for selected U.S. Geological Survey streamgages: U.S. Geological Survey Open-File Report 2017-1108, 17 p.