| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.54 | 2.71 | -0.17 |
| Feb | 2.18 | 2.33 | -0.15 |
| Mar | 3.48 | 3.55 | -0.07 |
| Apr | 4.67 | 4.72 | -0.05 |
| May | 4.96 | 5.07 | -0.11 |
| Jun | 4.48 | 4.50 | -0.02 |
| Jul | 3.78 | 3.99 | -0.21 |
| Aug | 3.57 | 3.41 | 0.16 |
| Sep | 3.36 | 3.38 | -0.02 |
| Oct | 3.12 | 3.24 | -0.12 |
| Nov | 3.39 | 3.52 | -0.13 |
| Dec | 2.63 | 2.71 | -0.08 |
42.16 | 43.13 | -0.97 |