| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.03 | 3.12 | -0.09 |
| Feb | 2.65 | 2.79 | -0.14 |
| Mar | 3.87 | 4.01 | -0.14 |
| Apr | 3.48 | 3.53 | -0.05 |
| May | 4.22 | 4.38 | -0.16 |
| Jun | 4.27 | 4.34 | -0.07 |
| Jul | 4.45 | 4.36 | 0.09 |
| Aug | 4.09 | 3.94 | 0.15 |
| Sep | 4.36 | 4.54 | -0.18 |
| Oct | 3.99 | 4.10 | -0.11 |
| Nov | 3.18 | 3.25 | -0.07 |
| Dec | 3.71 | 3.84 | -0.13 |
45.30 | 46.20 | -0.90 |