| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.40 | 3.34 | 0.06 |
| Feb | 2.57 | 2.65 | -0.08 |
| Mar | 3.45 | 3.48 | -0.03 |
| Apr | 4.11 | 4.15 | -0.04 |
| May | 4.01 | 3.90 | 0.11 |
| Jun | 4.96 | 4.98 | -0.02 |
| Jul | 4.68 | 4.91 | -0.23 |
| Aug | 3.91 | 4.12 | -0.21 |
| Sep | 3.94 | 3.95 | -0.01 |
| Oct | 3.74 | 3.78 | -0.04 |
| Nov | 3.41 | 3.37 | 0.04 |
| Dec | 3.38 | 3.45 | -0.07 |
45.56 | 46.08 | -0.52 |