| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.66 | 2.77 | -0.11 |
| Feb | 2.17 | 2.35 | -0.18 |
| Mar | 2.84 | 2.83 | 0.01 |
| Apr | 3.85 | 3.94 | -0.09 |
| May | 4.41 | 4.41 | 0.00 |
| Jun | 4.44 | 4.49 | -0.05 |
| Jul | 4.32 | 4.54 | -0.22 |
| Aug | 3.81 | 3.85 | -0.04 |
| Sep | 3.01 | 3.12 | -0.11 |
| Oct | 2.88 | 2.85 | 0.03 |
| Nov | 3.08 | 2.98 | 0.10 |
| Dec | 2.53 | 2.48 | 0.05 |
40.00 | 40.61 | -0.61 |