| Libby Dam and Lake Koocanusa near Libby (LBQM) | ||||
|---|---|---|---|---|
| Date | Min | Avg | Max | >68 |
| May 1 | 39.2 | 39.4 | 39.7 | 0/24 |
| May 2 | 39.0 | 39.2 | 39.3 | 0/24 |
| May 3 | 39.1 | 39.7 | 40.3 | 0/24 |
| May 4 | 39.7 | 39.9 | 40.1 | 0/24 |
| May 5 | 39.5 | 39.8 | 40.1 | 0/24 |
| May 6 | 39.7 | 40.1 | 40.5 | 0/24 |
| May 7 | 40.1 | 40.4 | 40.6 | 0/24 |
| May 8 | 40.1 | 40.5 | 40.9 | 0/24 |
| May 9 | 40.1 | 40.5 | 41.0 | 0/24 |
| May 10 | 40.6 | 41.4 | 42.4 | 0/24 |
| May 11 | 42.3 | 42.5 | 42.8 | 0/24 |
| May 12 | 42.5 | 42.9 | 43.3 | 0/24 |
| May 13 | 43.2 | 43.5 | 43.7 | 0/24 |
| May 14 | 43.1 | 43.9 | 44.7 | 0/24 |
| May 15 | 44.3 | 45.0 | 45.7 | 0/23 |
| May 16 | 45.4 | 45.8 | 46.4 | 0/24 |
| May 17 | 45.6 | 46.2 | 47.7 | 0/24 |
| May 18 | 46.5 | 47.2 | 48.2 | 0/24 |
| May 19 | 45.8 | 47.0 | 48.2 | 0/24 |
| May 20 | 45.9 | 46.3 | 46.6 | 0/24 |
| May 21 | 45.3 | 45.9 | 46.2 | 0/24 |
| May 22 | 45.3 | 45.8 | 46.5 | 0/23 |
| May 23 | 46.4 | 47.2 | 49.0 | 0/24 |
| May 24 | 47.5 | 48.5 | 49.5 | 0/24 |
| May 25 | 48.6 | 49.8 | 50.8 | 0/24 |
| May 26 | 48.7 | 49.6 | 50.5 | 0/24 |
| May 27 | 47.9 | 48.4 | 48.8 | 0/24 |
| May 28 | 47.8 | 47.9 | 48.0 | 0/8 |
| May 29 | 47.7 | 48.4 | 48.8 | 0/18 |
| May 30 | 48.0 | 48.5 | 48.8 | 0/24 |
| May 31 | 48.5 | 49.0 | 49.8 | 0/23 |
| >68 | 0 | 0 | 0 | 0/ 719 |
Temperature in Degrees Fahrenheit
| <32 | 32 | 34 | 36 | 38 | 40 | 42 | 44 | 46 | 48 | 50 | 52 | 54 | 56 | 58 | 60 | 62 | 64 | 66 | 68 | 70 | 72 | 74 | 76 | 78 | 80 | 82 | 84 | 86 | >86 |