| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.57 | 1.83 | -0.26 |
| Feb | 1.31 | 1.51 | -0.20 |
| Mar | 1.84 | 1.97 | -0.13 |
| Apr | 3.42 | 3.40 | 0.02 |
| May | 3.61 | 3.63 | -0.02 |
| Jun | 3.98 | 4.01 | -0.03 |
| Jul | 3.42 | 3.32 | 0.10 |
| Aug | 3.30 | 3.48 | -0.18 |
| Sep | 2.56 | 2.61 | -0.05 |
| Oct | 2.88 | 2.99 | -0.11 |
| Nov | 2.14 | 2.23 | -0.09 |
| Dec | 1.79 | 1.99 | -0.20 |
31.82 | 32.97 | -1.15 |