USGS Streamgage 14020000
Umatilla River above Meacham Creek, near Gibbon, OR
Umatilla River above Meacham Creek, near Gibbon, OR is USGS streamgage 14020000 in Oregon, monitoring river discharge in hydrologic subbasin 17070103. It drains a watershed of about 131 square miles. Discharge records at this site go back to 1933. Typical flow runs near 58.2 cfs in July and 476.5 cfs in April, with the higher of the two arriving in April.
Gauge details
- State
- Oregon
- Drainage area
- 131 sq mi
- Subbasin (HUC-8)
- 17070103
- Coordinates
- 45.71958, -118.32329
- USGS site number
- 14020000
- Records begin
- 1933-04-01 (93 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 93 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 | 75 | 175 | 562.6 | |
| February | 99.2 | 222.2 | 676.9 | |
| March | 159.1 | 331.2 | 776.3 | |
| April | 255.6 | 476.5 | 959.3 | |
| May | 175.5 | 386.8 | 782.1 | |
| June | 71.8 | 142.1 | 370 | |
| July | 45.4 | 58.2 | 85.9 | |
| August | 38.9 | 45.1 | 55.2 | |
| September | 38.1 | 44.6 | 53.3 | |
| October | 42 | 48.8 | 74.3 | |
| November | 48.8 | 82.2 | 226.1 | |
| December | 56 | 142.9 | 478 |
All values in cubic feet per second (cfs).