| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.32 | 4.29 | 0.03 |
| Feb | 4.65 | 4.65 | 0.00 |
| Mar | 5.05 | 5.06 | -0.01 |
| Apr | 4.94 | 4.91 | 0.03 |
| May | 4.99 | 5.23 | -0.24 |
| Jun | 4.38 | 4.33 | 0.05 |
| Jul | 4.42 | 4.52 | -0.10 |
| Aug | 3.52 | 3.49 | 0.03 |
| Sep | 3.85 | 3.97 | -0.12 |
| Oct | 3.50 | 3.40 | 0.10 |
| Nov | 3.68 | 3.85 | -0.17 |
| Dec | 4.91 | 5.11 | -0.20 |
52.21 | 52.81 | -0.60 |