| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.56 | 4.48 | 0.08 |
| Feb | 4.72 | 4.16 | 0.56 |
| Mar | 4.95 | 4.96 | -0.01 |
| Apr | 3.86 | 4.02 | -0.16 |
| May | 3.09 | 3.19 | -0.10 |
| Jun | 4.40 | 4.27 | 0.13 |
| Jul | 4.80 | 4.92 | -0.12 |
| Aug | 4.43 | 3.78 | 0.65 |
| Sep | 3.80 | 3.69 | 0.11 |
| Oct | 2.97 | 3.17 | -0.20 |
| Nov | 3.77 | 3.79 | -0.02 |
| Dec | 4.90 | 4.77 | 0.13 |
50.25 | 49.20 | 1.05 |