| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.42 | 3.57 | -0.15 |
| Feb | 2.88 | 2.95 | -0.07 |
| Mar | 4.07 | 4.19 | -0.12 |
| Apr | 3.80 | 3.90 | -0.10 |
| May | 3.99 | 4.01 | -0.02 |
| Jun | 4.39 | 4.58 | -0.19 |
| Jul | 4.72 | 4.79 | -0.07 |
| Aug | 4.37 | 4.41 | -0.04 |
| Sep | 4.21 | 4.32 | -0.11 |
| Oct | 4.20 | 4.27 | -0.07 |
| Nov | 3.40 | 3.43 | -0.03 |
| Dec | 4.27 | 4.33 | -0.06 |
47.72 | 48.75 | -1.03 |