| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.51 | 2.48 | 0.03 |
| Feb | 1.96 | 2.00 | -0.04 |
| Mar | 2.44 | 2.55 | -0.11 |
| Apr | 3.77 | 3.76 | 0.01 |
| May | 4.39 | 4.41 | -0.02 |
| Jun | 4.49 | 4.37 | 0.12 |
| Jul | 4.10 | 3.90 | 0.20 |
| Aug | 4.00 | 3.81 | 0.19 |
| Sep | 3.02 | 3.03 | -0.01 |
| Oct | 2.93 | 2.88 | 0.05 |
| Nov | 2.98 | 2.97 | 0.01 |
| Dec | 2.35 | 2.35 | 0.00 |
38.94 | 38.51 | 0.43 |