| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.94 | 3.21 | -0.27 |
| Feb | 2.47 | 2.68 | -0.21 |
| Mar | 2.84 | 3.11 | -0.27 |
| Apr | 3.41 | 3.59 | -0.18 |
| May | 3.90 | 4.10 | -0.20 |
| Jun | 4.59 | 4.63 | -0.04 |
| Jul | 4.74 | 4.81 | -0.07 |
| Aug | 4.52 | 4.47 | 0.05 |
| Sep | 3.80 | 3.81 | -0.01 |
| Oct | 4.46 | 4.63 | -0.17 |
| Nov | 3.27 | 3.55 | -0.28 |
| Dec | 3.49 | 3.69 | -0.20 |
44.43 | 46.28 | -1.85 |