Climate history, 23 mi E of Thompson
A long weather record at 47.8186, -96.6139, daily since 1890-01-01: 49,588,704 readings from 1890-01-01 to 2026-09-25. It describes that location, not any specific field.
Frost history · 132 years
Median first fall 32°F: 09-23 (10% of years by 09-10, 90% by 10-08). Median last spring frost 05-15; median frost-free season 130 days.
Annual precipitation · 134 years
Median 20.6 in; 10th–90th percentile 15.5–26.4 in. Driest: 1936 (10.0 in), 1910 (11.3 in), 1917 (12.9 in), 2011 (13.2 in), 1976 (13.5 in). Wettest: 1941 (30.8 in), 1896 (29.7 in), 1905 (29.6 in), 1891 (28.8 in), 1968 (28.6 in).
Growing season heat · 134 years
Apr–Oct heat units: median 2447; 10th–90th percentile 2063–2686.
Records
Hottest day 1936-07-10 (105°F). Coldest 1936-02-15 (-51°F). Wettest reported daily total 1908-08-31 (5.85 in).
Decadal context
| Decade | Mean daily max °F | Mean annual precip (in) |
|---|---|---|
| 1890s | 50.5 | 22.1 |
| 1900s | 49.9 | 23.5 |
| 1910s | 49.9 | 20 |
| 1920s | 51.4 | 18.7 |
| 1930s | 51.6 | 16.7 |
| 1940s | 51 | 23.2 |
| 1950s | 50.9 | 20.2 |
| 1960s | 51.3 | 20.7 |
| 1970s | 51.7 | 20.2 |
| 1980s | 50.9 | 19.3 |
| 1990s | 50.3 | 22.5 |
| 2000s | 50.4 | 22.6 |
| 2010s | 51.9 | 19.6 |
| 2020s | 53.6 | 18.2 |
Decade averages from one location's record, not a climate-trend analysis.