USGS Streamgage 06114700
Judith River near mouth, near Winifred, MT
Judith River near mouth, near Winifred, MT is USGS streamgage 06114700 in Montana, monitoring river discharge in hydrologic subbasin 10040103. It drains a watershed of about 2,747 square miles. Discharge records at this site go back to 2000. Typical flow runs near 329.4 cfs in July and 528.5 cfs in April, with the higher of the two arriving in April.
Gauge details
- State
- Montana
- Drainage area
- 2,747 sq mi
- Gauge elevation
- 2,502 ft
- Subbasin (HUC-8)
- 10040103
- Coordinates
- 47.66516, -109.65201
- USGS site number
- 06114700
- Records begin
- 2000-10-01 (26 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 26 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 | — | 249.7 | — | |
| February | 235 | 276.1 | 581 | |
| March | 283.9 | 468.9 | 1,258.1 | |
| April | 285.9 | 528.5 | 1,071.9 | |
| May | 247.2 | 729.3 | 1,652.3 | |
| June | 308.2 | 737.8 | 2,261 | |
| July | 148.8 | 329.4 | 677.8 | |
| August | 151.1 | 281.8 | 447.5 | |
| September | 194.6 | 319.7 | 524.9 | |
| October | 239.7 | 374.2 | 535.5 | |
| November | 205 | 265.1 | 595 | |
| December | — | 236.2 | — |
All values in cubic feet per second (cfs).