| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.49 | 2.57 | -0.08 |
| Feb | 2.11 | 2.21 | -0.10 |
| Mar | 2.90 | 2.94 | -0.04 |
| Apr | 4.54 | 4.66 | -0.12 |
| May | 4.38 | 4.33 | 0.05 |
| Jun | 4.77 | 4.77 | 0.00 |
| Jul | 4.17 | 4.11 | 0.06 |
| Aug | 2.97 | 2.79 | 0.18 |
| Sep | 2.95 | 2.99 | -0.04 |
| Oct | 3.55 | 3.58 | -0.03 |
| Nov | 3.49 | 3.53 | -0.04 |
| Dec | 2.44 | 2.64 | -0.20 |
40.76 | 41.12 | -0.36 |