| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.66 | 1.64 | 0.02 |
| Feb | 1.70 | 1.89 | -0.19 |
| Mar | 3.22 | 3.11 | 0.11 |
| Apr | 4.39 | 4.07 | 0.32 |
| May | 5.50 | 5.87 | -0.37 |
| Jun | 4.61 | 4.66 | -0.05 |
| Jul | 3.77 | 3.62 | 0.15 |
| Aug | 3.39 | 3.50 | -0.11 |
| Sep | 3.85 | 3.68 | 0.17 |
| Oct | 3.55 | 3.64 | -0.09 |
| Nov | 2.83 | 2.70 | 0.13 |
| Dec | 2.35 | 2.25 | 0.10 |
40.82 | 40.63 | 0.19 |