USGS Streamgage 12458000
Icicle Creek above Snow Creek near Leavenworth, WA
Icicle Creek above Snow Creek near Leavenworth, WA is USGS streamgage 12458000 in Washington, monitoring river discharge in hydrologic subbasin 17020011. It drains a watershed of about 193 square miles. Discharge records at this site go back to 1912. Typical flow runs near 681.9 cfs in July and 595 cfs in April, with the higher of the two arriving in July.
Gauge details
- State
- Washington
- Drainage area
- 193 sq mi
- Gauge elevation
- 1,536 ft
- Subbasin (HUC-8)
- 17020011
- Coordinates
- 47.54092, -120.72006
- USGS site number
- 12458000
- Records begin
- 1912-05-20 (114 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 90 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 | 116.6 | 234.5 | 592 | |
| February | 119 | 216.9 | 621.7 | |
| March | 149.3 | 252.9 | 572.7 | |
| April | 301.3 | 595 | 1,166.1 | |
| May | 824.6 | 1,481.4 | 2,880.3 | |
| June | 816.4 | 1,647.3 | 2,920.7 | |
| July | 294.7 | 681.9 | 1,559 | |
| August | 132.5 | 203.1 | 417.4 | |
| September | 94.1 | 130 | 249.7 | |
| October | 77.9 | 161.1 | 502.7 | |
| November | 112.5 | 269.2 | 886.8 | |
| December | 119.4 | 269.3 | 678.3 |
All values in cubic feet per second (cfs).