| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.72 | 1.68 | 0.04 |
| Feb | 1.67 | 1.71 | -0.04 |
| Mar | 2.25 | 2.23 | 0.02 |
| Apr | 3.58 | 3.48 | 0.10 |
| May | 4.58 | 4.74 | -0.16 |
| Jun | 4.79 | 4.64 | 0.15 |
| Jul | 3.91 | 3.77 | 0.14 |
| Aug | 3.94 | 3.89 | 0.05 |
| Sep | 3.39 | 3.36 | 0.03 |
| Oct | 3.04 | 2.96 | 0.08 |
| Nov | 2.42 | 2.30 | 0.12 |
| Dec | 2.01 | 1.97 | 0.04 |
37.30 | 36.73 | 0.57 |