USGS Streamgage 06135000
Milk River at Eastern Crossing of Int Bndry
Milk River at Eastern Crossing of Int Bndry is USGS streamgage 06135000 in Montana, monitoring river discharge in hydrologic subbasin 10050002. It drains a watershed of about 2,452 square miles. Discharge records at this site go back to 1909. Typical flow runs near 591.3 cfs in July and 481.1 cfs in April, with the higher of the two arriving in July.
Gauge details
- State
- Montana
- Drainage area
- 2,452 sq mi
- Gauge elevation
- 2,666 ft
- Subbasin (HUC-8)
- 10050002
- Coordinates
- 48.97482, -110.42178
- USGS site number
- 06135000
- Records begin
- 1909-08-09 (117 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 110 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 | — | 0.8 | — | |
| February | 0 | 18.3 | 450.7 | |
| March | 32 | 169 | 779.5 | |
| April | 133.6 | 481.1 | 987.3 | |
| May | 317.9 | 650 | 1,069.9 | |
| June | 367.3 | 684 | 1,110.2 | |
| July | 335.4 | 591.3 | 810.2 | |
| August | 266.5 | 552.7 | 710 | |
| September | 53.1 | 374.9 | 663.5 | |
| October | 16.4 | 70 | 297.1 | |
| November | 11.8 | 41.9 | 242.4 | |
| December | — | 25.9 | — |
All values in cubic feet per second (cfs).