Past date
Middle Fork of the Salmon River, May 10, 2021
River flow3.71 ft
Actual · 05/10/2021
3.71 ft; discharge 3,200 cfs
USGS daily
05/10 average
4.71 ft; discharge 5,150 cfs
20-year USGS
Below average by 1.00 ft.
Weather & snowStanley, ID · 45° / 13°F · 0.00" · Banner 312 · Banner Summit 312, 05/10 average: 41% of peak melted · 16.7 in SWE
Stanley, ID
That day · 2021
45° / 13°F · 0.00"
05/10 average
57° / 24°F · 0.01"
19 years
Middle Fork Lodge
Lodge averages are for future dates only (station ended 2013).
Salmon, ID
That day · 2021
55° / 22°F · 0.05"
05/10 average
65° / 35°F · 0.05"
20 years
Banner Summit 312
Banner Summit 312, 05/10 average: 41% of peak melted · 16.7 in SWE
Deadwood Summit 439
Deadwood Summit 439, 05/10 average: 19% of peak melted · 35.5 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.