| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.71 | 3.63 | 0.08 |
| Feb | 3.13 | 3.17 | -0.04 |
| Mar | 4.37 | 4.32 | 0.05 |
| Apr | 4.32 | 4.32 | 0.00 |
| May | 3.72 | 3.52 | 0.20 |
| Jun | 4.39 | 4.34 | 0.05 |
| Jul | 3.97 | 3.94 | 0.03 |
| Aug | 4.20 | 4.09 | 0.11 |
| Sep | 4.37 | 4.19 | 0.18 |
| Oct | 4.86 | 4.68 | 0.18 |
| Nov | 3.98 | 3.90 | 0.08 |
| Dec | 4.54 | 4.57 | -0.03 |
49.56 | 48.67 | 0.89 |