| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.71 | 3.55 | 0.16 |
| Feb | 3.33 | 3.22 | 0.11 |
| Mar | 4.29 | 4.09 | 0.20 |
| Apr | 4.28 | 4.02 | 0.26 |
| May | 3.85 | 3.68 | 0.17 |
| Jun | 4.44 | 4.22 | 0.22 |
| Jul | 4.05 | 3.97 | 0.08 |
| Aug | 4.20 | 4.24 | -0.04 |
| Sep | 4.32 | 4.13 | 0.19 |
| Oct | 5.01 | 4.89 | 0.12 |
| Nov | 3.99 | 3.72 | 0.27 |
| Dec | 4.41 | 4.43 | -0.02 |
49.88 | 48.16 | 1.72 |