| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.60 | 4.32 | -0.72 |
| Feb | 2.44 | 3.12 | -0.68 |
| Mar | 2.94 | 3.61 | -0.67 |
| Apr | 3.65 | 3.95 | -0.30 |
| May | 3.58 | 3.85 | -0.27 |
| Jun | 3.98 | 4.07 | -0.09 |
| Jul | 4.32 | 4.51 | -0.19 |
| Aug | 3.71 | 4.20 | -0.49 |
| Sep | 4.12 | 4.44 | -0.32 |
| Oct | 4.29 | 4.74 | -0.45 |
| Nov | 3.78 | 4.46 | -0.68 |
| Dec | 3.91 | 4.57 | -0.66 |
44.32 | 49.84 | -5.52 |