| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.23 | 2.52 | -0.29 |
| Feb | 1.94 | 2.11 | -0.17 |
| Mar | 1.87 | 2.02 | -0.15 |
| Apr | 0.97 | 1.02 | -0.05 |
| May | 0.41 | 0.52 | -0.11 |
| Jun | 0.14 | 0.18 | -0.04 |
| Jul | 0.01 | 0.02 | -0.01 |
| Aug | 0.01 | 0.00 | 0.01 |
| Sep | 0.06 | 0.07 | -0.01 |
| Oct | 0.53 | 0.56 | -0.03 |
| Nov | 0.95 | 0.93 | 0.02 |
| Dec | 1.85 | 2.04 | -0.19 |
10.97 | 11.99 | -1.02 |