USGS Streamgage 09219200
Blacks Fork above Smiths Fork, near Lyman, WY
Blacks Fork above Smiths Fork, near Lyman, WY is USGS streamgage 09219200 in Wyoming, monitoring river discharge in hydrologic subbasin 14040107. It drains a watershed of about 324 square miles. Discharge records at this site go back to 2018. Typical flow runs near 32.3 cfs in July and 26.2 cfs in April, with the higher of the two arriving in July.
Gauge details
- State
- Wyoming
- Drainage area
- 324 sq mi
- Gauge elevation
- 6,435 ft
- Subbasin (HUC-8)
- 14040107
- Coordinates
- 41.39415, -110.20596
- USGS site number
- 09219200
- Records begin
- 2018-04-04 (8 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 7 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 | — | 12.2 | — | |
| February | — | 12.8 | — | |
| March | — | 31.3 | — | |
| April | — | 26.2 | — | |
| May | — | 29.3 | — | |
| June | — | 146.4 | — | |
| July | — | 32.3 | — | |
| August | — | 8 | — | |
| September | — | 8 | — | |
| October | — | 11.5 | — | |
| November | — | 14.1 | — | |
| December | — | 15.1 | — |
All values in cubic feet per second (cfs).
Other gauges in this subbasin
- East Fork Smiths Fork near Robertson, WY
- South Creek at Mountain View, WY
- Hams Fork below Pole Creek, near Frontier, WY
- Hams Fork at Diamondville, WY
- Blacks Fork near Little America, WY
- Blacks Fork near Robertson, WY
- Blacks Fork near Millburne, WY
- Blacks Fork below Blacks Fork Canal, near Robertson, WY