| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.01 | 2.89 | 0.12 |
| Feb | 2.53 | 2.55 | -0.02 |
| Mar | 3.02 | 3.02 | 0.00 |
| Apr | 3.43 | 3.35 | 0.08 |
| May | 3.49 | 3.41 | 0.08 |
| Jun | 4.13 | 3.99 | 0.14 |
| Jul | 3.94 | 3.94 | 0.00 |
| Aug | 3.87 | 3.82 | 0.05 |
| Sep | 3.60 | 3.59 | 0.01 |
| Oct | 4.52 | 4.69 | -0.17 |
| Nov | 3.20 | 3.31 | -0.11 |
| Dec | 3.67 | 3.77 | -0.10 |
42.41 | 42.33 | 0.08 |