| USGS Station Number | 13063000 |
|---|---|
| Station Name | BLACKFOOT RIVER AB RESERVOIR NR HENRY ID |
| Click here to link to available data on NWIS-Web for this site. | |
| Descriptive Information | |
| Station Type | Streamgage, continuous record |
| Location | |
| Gage | |
| Regulation and Diversions | |
| Regulated? | Unknown |
| Period of Record | |
| Remarks | |
| Latitude (degrees NAD83) | 42.81555556 |
| Longitude (degrees NAD83) | -111.50583333 |
| Hydrologic unit code | 17040207 |
| County | 029-Caribou |
| HCDN2009 | No |
| Physical Characteristics | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Characteristic Name | Value | Units | Citation Number | |||||||||
| Descriptive Information | ||||||||||||
| State_Code | 16 | dimensionless | 30 | |||||||||
| Datum_of_Latitude_Longitude | NAD83 | dimensionless | 30 | |||||||||
| District_Code | 16 | dimensionless | 30 | |||||||||
| Begin_date_of_record | 3/25/1914 | days | 41 | |||||||||
| End_date_of_record | 9/30/2003 | days | 41 | |||||||||
| Number_of_days_of_record | 9625 | days | 41 | |||||||||
| Number_of_days_GT_0 | 9609 | days | 41 | |||||||||
| Precipitation Statistics | ||||||||||||
| 24_Hour_2_Year_Precipitation | 1.3000 | inches | 31 | |||||||||
| Mean_Annual_Precipitation | 25.000 | inches | 31 | |||||||||
| Temperature Statistics | ||||||||||||
| Mean_January_Temperature | 12.000 | degrees F | 31 | |||||||||
| Mean_Min_January_Temperature | 7.0000 | degrees F | 31 | |||||||||
| Mean_July_Temperature | 59.000 | degrees F | 31 | |||||||||
| Topographical Characteristics | ||||||||||||
| Latitude_of_Basin_Centroid | 42.750 | decimal degrees | 31 | |||||||||
| Longitude_of_Basin_Centroid | 111.320 | decimal degrees | 31 | |||||||||
| Mean_Basin_Elevation | 6940.00 | feet | 31 | |||||||||
| Land Cover Characteristics | ||||||||||||
| Percent_Forest | 45.000 | percent | 31 | |||||||||
| Percent_Lakes_and_Ponds | 0.0000 | percent | 31 | |||||||||
| Percent_Storage | 0.0000 | percent | 31 | |||||||||
| Soil Properties | ||||||||||||
| Soil_Infiltration | 5.5000 | inches | 31 | |||||||||
| Stream Channel Properties | ||||||||||||
| Main_Channel_Length | 37.800 | miles | 31 | |||||||||
| Stream_Slope_10_and_85_Method | 24.000 | feet per mi | 31 | |||||||||
| Basin Dimensional Characteristics | ||||||||||||
| Contributing_Drainage_Area | 360.000 | square miles | 31 | |||||||||
| Drainage_Area | 350.000 | square miles | 31 | |||||||||
| 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 | 851.000 | cubic feet per second | 31 | Y | ||||||||
| 50_percent_AEP_flood | 1230.00 | cubic feet per second | 31 | Y | ||||||||
| 20_percent_AEP_flood | 1740.00 | cubic feet per second | 31 | Y | ||||||||
| 10_percent_AEP_flood | 2050.00 | cubic feet per second | 31 | Y | ||||||||
| 4_percent_AEP_flood | 2430.00 | cubic feet per second | 31 | Y | ||||||||
| 2_percent_AEP_flood | 2690.00 | cubic feet per second | 31 | Y | ||||||||
| 1_percent_AEP_flood | 2950.00 | cubic feet per second | 31 | Y | ||||||||
| 0_5_percent_AEP_flood | 3200.00 | cubic feet per second | 31 | Y | ||||||||
| 0_2_percent_AEP_flood | 3520.00 | cubic feet per second | 31 | Y | ||||||||
| Flow-Duration Statistics | ||||||||||||
| 1_Percent_Duration | 1040 | cubic feet per second | 325 | Y | 20 | 10/1/1914 | 9/30/2005 | |||||
| 2_Percent_Duration | 833 | cubic feet per second | 325 | Y | 20 | 10/1/1914 | 9/30/2005 | |||||
| 3_Percent_Duration | 718 | cubic feet per second | 325 | Y | 20 | 10/1/1914 | 9/30/2005 | |||||
| 5_Percent_Duration | 570 | cubic feet per second | 325 | Y | 20 | 10/1/1914 | 9/30/2005 | |||||
| 10_Percent_Duration | 361 | cubic feet per second | 325 | Y | 20 | 10/1/1914 | 9/30/2005 | |||||
| 15_Percent_Duration | 227 | cubic feet per second | 325 | Y | 20 | 10/1/1914 | 9/30/2005 | |||||
| 20_Percent_Duration | 167 | cubic feet per second | 325 | Y | 20 | 10/1/1914 | 9/30/2005 | |||||
| 25_Percent_Duration | 139 | cubic feet per second | 325 | Y | 20 | 10/1/1914 | 9/30/2005 | |||||
| 30_Percent_Duration | 122 | cubic feet per second | 325 | Y | 20 | 10/1/1914 | 9/30/2005 | |||||
| 35_Percent_Duration | 108 | cubic feet per second | 325 | Y | 20 | 10/1/1914 | 9/30/2005 | |||||
| 40_Percent_Duration | 98 | cubic feet per second | 325 | Y | 20 | 10/1/1914 | 9/30/2005 | |||||
| 45_Percent_Duration | 89 | cubic feet per second | 325 | Y | 20 | 10/1/1914 | 9/30/2005 | |||||
| 50_Percent_Duration | 82 | cubic feet per second | 325 | Y | 20 | 10/1/1914 | 9/30/2005 | |||||
| 55_Percent_Duration | 76 | cubic feet per second | 325 | Y | 20 | 10/1/1914 | 9/30/2005 | |||||
| 60_Percent_Duration | 70 | cubic feet per second | 325 | Y | 20 | 10/1/1914 | 9/30/2005 | |||||
| 65_Percent_Duration | 65 | cubic feet per second | 325 | Y | 20 | 10/1/1914 | 9/30/2005 | |||||
| 70_Percent_Duration | 60 | cubic feet per second | 325 | Y | 20 | 10/1/1914 | 9/30/2005 | |||||
| 75_Percent_Duration | 55 | cubic feet per second | 325 | Y | 20 | 10/1/1914 | 9/30/2005 | |||||
| 80_Percent_Duration | 50 | cubic feet per second | 325 | Y | 20 | 10/1/1914 | 9/30/2005 | |||||
| 85_Percent_Duration | 44 | cubic feet per second | 325 | Y | 20 | 10/1/1914 | 9/30/2005 | |||||
| 90_Percent_Duration | 36 | cubic feet per second | 325 | Y | 20 | 10/1/1914 | 9/30/2005 | |||||
| 95_Percent_Duration | 30 | cubic feet per second | 325 | Y | 20 | 10/1/1914 | 9/30/2005 | |||||
| 97_Percent_Duration | 26 | cubic feet per second | 325 | Y | 20 | 10/1/1914 | 9/30/2005 | |||||
| 98_Percent_Duration | 22 | cubic feet per second | 325 | Y | 20 | 10/1/1914 | 9/30/2005 | |||||
| 99_Percent_Duration | 18 | cubic feet per second | 325 | Y | 20 | 10/1/1914 | 9/30/2005 | |||||
| Annual Flow Statistics | ||||||||||||
| Mean_Annual_Flow | 150 | cubic feet per second | 325 | Y | 20 | 10/1/1914 | 9/30/2005 | |||||
| Stand_Dev_of_Mean_Annual_Flow | 62 | cubic feet per second | 325 | Y | 20 | 10/1/1914 | 9/30/2005 | |||||
| Maximum_Annual_Mean_Flow | 273 | cubic feet per second | 325 | Y | 20 | 10/1/1914 | 9/30/2005 | |||||
| Minimum_Annual_Mean_Flow | 57 | cubic feet per second | 325 | Y | 20 | 10/1/1914 | 9/30/2005 | |||||
| Monthly Flow Statistics | ||||||||||||
| January_Mean_Flow | 64.400 | cubic feet per second | 31 | Y | ||||||||
| January_STD | 5.6600 | cubic feet per second | 31 | Y | ||||||||
| February_Mean_Flow | 77.000 | cubic feet per second | 31 | Y | ||||||||
| February_STD | 11.200 | cubic feet per second | 31 | Y | ||||||||
| March_Mean_Flow | 97.400 | cubic feet per second | 31 | Y | ||||||||
| March_STD | 23.500 | cubic feet per second | 31 | Y | ||||||||
| April_Mean_Flow | 355.000 | cubic feet per second | 31 | Y | ||||||||
| April_STD | 164.000 | cubic feet per second | 31 | Y | ||||||||
| May_Mean_Flow | 574.000 | cubic feet per second | 31 | Y | ||||||||
| May_STD | 264.000 | cubic feet per second | 31 | Y | ||||||||
| June_Mean_Flow | 283.000 | cubic feet per second | 31 | Y | ||||||||
| June_STD | 136.000 | cubic feet per second | 31 | Y | ||||||||
| July_Mean_Flow | 127.000 | cubic feet per second | 31 | Y | ||||||||
| July_STD | 49.900 | cubic feet per second | 31 | Y | ||||||||
| August_Mean_Flow | 91.400 | cubic feet per second | 31 | Y | ||||||||
| August_STD | 31.600 | cubic feet per second | 31 | Y | ||||||||
| September_Mean_Flow | 80.800 | cubic feet per second | 31 | Y | ||||||||
| September_STD | 23.400 | cubic feet per second | 31 | Y | ||||||||
| October_Mean_Flow | 87.900 | cubic feet per second | 31 | Y | ||||||||
| October_STD | 20.000 | cubic feet per second | 31 | Y | ||||||||
| November_Mean_Flow | 88.600 | cubic feet per second | 31 | Y | ||||||||
| November_STD | 16.800 | cubic feet per second | 31 | Y | ||||||||
| December_Mean_Flow | 78.400 | cubic feet per second | 31 | Y | ||||||||
| December_STD | 13.000 | cubic feet per second | 31 | Y | ||||||||
| General Flow Statistics | ||||||||||||
| Minimum_daily_flow | 10 | cubic feet per second | 325 | Y | 20 | 10/1/1914 | 9/30/2005 | |||||
| Maximum_daily_flow | 1890 | cubic feet per second | 325 | Y | 20 | 10/1/1914 | 9/30/2005 | |||||
| Std_Dev_of_daily_flows | 199 | cubic feet per second | 325 | Y | 20 | 10/1/1914 | 9/30/2005 | |||||
| Average_daily_streamflow | 169.165 | cubic feet per second | 41 | Y | 27 | |||||||
| Harmonic_Mean_Streamflow | 70 | cubic feet per second | 325 | Y | 20 | 10/1/1914 | 9/30/2005 | |||||
| Mean_of_Logs_of_Daily_Values | 1.978727 | Log base 10 | 325 | Y | 20 | 10/1/1914 | 9/30/2005 | |||||
| Std_Dev_of_Logs_of_Daily_Values | 0.374077 | Log base 10 | 325 | Y | 20 | 10/1/1914 | 9/30/2005 | |||||
| Skew_of_Logs_of_Daily_Values | 0.79837 | Log base 10 | 325 | Y | 20 | 10/1/1914 | 9/30/2005 | |||||
| Non_Zero_Adjusted_Harmonic_Mean_Flow | 70 | cubic feet per second | 325 | Y | 20 | 10/1/1914 | 9/30/2005 | |||||
| Base Flow Statistics | ||||||||||||
| Number_of_years_to_compute_BFI | 26 | years | 42 | Y | 27 | |||||||
| Average_BFI_value | 0.765 | dimensionless | 42 | Y | 27 | |||||||
| Std_dev_of_annual_BFI_values | 0.051 | dimensionless | 42 | Y | 27 | |||||||
| Probabillity Statistics | ||||||||||||
| Probability_flow_durations_are_zero | 0 | dimensionless | 325 | Y | 20 | 10/1/1914 | 9/30/2005 | |||||