Past date
Middle Fork of the Salmon River, April 20, 2009
River flow3.10 ft
Actual · 04/20/2009
3.10 ft; discharge 2,150 cfs
USGS daily
04/20 average
3.02 ft; discharge 2,115 cfs
20-year USGS
Above average by 0.08 ft.
Weather & snowStanley, ID · No observation · Banner 312 · Banner Summit 312, 04/20 average: 9% of peak melted · 24.8 in SWE
Stanley, ID
That day · 2009
No observation
04/20 average
52° / 16°F · 0.01"
16 years
Middle Fork Lodge
Lodge averages are for future dates only (station ended 2013).
Salmon, ID
That day · 2009
69° / 31°F · 0.00"
04/20 average
61° / 30°F · 0.00"
19 years
Banner Summit 312
Banner Summit 312, 04/20 average: 9% of peak melted · 24.8 in SWE
Deadwood Summit 439
Deadwood Summit 439, 04/20 average: 2% of peak melted · 42.1 in SWE
Lottery oddsOutside the May 28–Sep 3 lottery season. Season-wide 2025: 1.79%.
2025 lottery
Outside the May 28–Sep 3 lottery season. Season-wide 2025: 1.79%.
Day-of-week context (2025)
Days with the best odds: Saturday 2.81%, Friday 2.17%
Days with the worst odds: Monday 1.05%, Tuesday 1.54%
Mondays: 1.05%, about 1 in 95
Odds are launches ÷ first-choice applications (2025 USFS). That is date competition, not a personal win rate.