| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.79 | 0.85 | -0.06 |
| Feb | 0.85 | 0.86 | -0.01 |
| Mar | 1.60 | 1.49 | 0.11 |
| Apr | 2.85 | 2.84 | 0.01 |
| May | 4.16 | 4.14 | 0.02 |
| Jun | 4.55 | 4.57 | -0.02 |
| Jul | 4.31 | 4.38 | -0.07 |
| Aug | 4.20 | 3.99 | 0.21 |
| Sep | 3.31 | 3.15 | 0.16 |
| Oct | 2.86 | 2.87 | -0.01 |
| Nov | 1.74 | 1.64 | 0.10 |
| Dec | 1.16 | 1.21 | -0.05 |
32.38 | 31.99 | 0.39 |