| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.31 | 4.28 | 0.03 |
| Feb | 4.65 | 4.57 | 0.08 |
| Mar | 4.95 | 4.84 | 0.11 |
| Apr | 4.96 | 4.88 | 0.08 |
| May | 4.99 | 5.10 | -0.11 |
| Jun | 4.48 | 4.46 | 0.02 |
| Jul | 4.74 | 4.77 | -0.03 |
| Aug | 3.93 | 3.76 | 0.17 |
| Sep | 3.85 | 3.76 | 0.09 |
| Oct | 3.55 | 3.50 | 0.05 |
| Nov | 3.71 | 3.75 | -0.04 |
| Dec | 4.90 | 4.96 | -0.06 |
53.02 | 52.63 | 0.39 |