| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.57 | 4.02 | -0.45 |
| Feb | 2.95 | 3.18 | -0.23 |
| Mar | 3.88 | 3.77 | 0.11 |
| Apr | 3.85 | 4.13 | -0.28 |
| May | 4.43 | 4.63 | -0.20 |
| Jun | 4.49 | 4.50 | -0.01 |
| Jul | 3.86 | 4.53 | -0.67 |
| Aug | 3.99 | 3.88 | 0.11 |
| Sep | 4.72 | 5.14 | -0.42 |
| Oct | 3.49 | 3.32 | 0.17 |
| Nov | 3.48 | 3.35 | 0.13 |
| Dec | 3.64 | 3.99 | -0.35 |
46.35 | 48.44 | -2.09 |