USGS Streamgage 09219000
Blacks Fork near Urie, WY
Blacks Fork near Urie, WY is USGS streamgage 09219000 in Wyoming, monitoring river discharge in hydrologic subbasin 14040107. It drains a watershed of about 285 square miles. Discharge records at this site go back to 1913. Typical flow runs near 18.9 cfs in July and 72.2 cfs in April, with the higher of the two arriving in April.
Gauge details
- State
- Wyoming
- Drainage area
- 285 sq mi
- Gauge elevation
- 6,547 ft
- Subbasin (HUC-8)
- 14040107
- Coordinates
- 41.35076, -110.33603
- USGS site number
- 09219000
- Records begin
- 1913-08-01 (113 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 43 years of data), averaged within each month. These describe the historical normal range — they are not a forecast and not today's reading.
| Month | Low p10 | Typical p50 | High p90 | Range |
|---|---|---|---|---|
| January | 11.8 | 22.8 | 36.6 | |
| February | 12 | 27.3 | 37.5 | |
| March | 23.7 | 43.9 | 110 | |
| April | 14.7 | 72.2 | 224.3 | |
| May | 15.3 | 217.5 | 751.7 | |
| June | 13.8 | 228.1 | 808.7 | |
| July | 4.2 | 18.9 | 126 | |
| August | 1.5 | 7.2 | 30.3 | |
| September | 1.3 | 5.3 | 21.4 | |
| October | 4.1 | 11.7 | 40.5 | |
| November | 6.1 | 15.4 | 47 | |
| December | 9.4 | 19.8 | 41.9 |
All values in cubic feet per second (cfs).