| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.58 | 2.48 | 0.10 |
| Feb | 2.05 | 2.16 | -0.11 |
| Mar | 3.21 | 3.16 | 0.05 |
| Apr | 3.17 | 3.15 | 0.02 |
| May | 4.13 | 3.91 | 0.22 |
| Jun | 4.21 | 4.12 | 0.09 |
| Jul | 3.85 | 3.47 | 0.38 |
| Aug | 3.52 | 3.15 | 0.37 |
| Sep | 4.12 | 4.05 | 0.07 |
| Oct | 2.94 | 3.05 | -0.11 |
| Nov | 2.72 | 2.71 | 0.01 |
| Dec | 2.79 | 2.93 | -0.14 |
39.29 | 38.34 | 0.95 |