| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.52 | 2.69 | -0.17 |
| Feb | 2.34 | 2.45 | -0.11 |
| Mar | 4.05 | 4.00 | 0.05 |
| Apr | 4.85 | 4.95 | -0.10 |
| May | 5.77 | 6.03 | -0.26 |
| Jun | 4.49 | 4.43 | 0.06 |
| Jul | 3.82 | 4.08 | -0.26 |
| Aug | 3.53 | 3.38 | 0.15 |
| Sep | 4.17 | 4.15 | 0.02 |
| Oct | 4.09 | 4.07 | 0.02 |
| Nov | 3.94 | 4.00 | -0.06 |
| Dec | 3.04 | 3.15 | -0.11 |
46.61 | 47.38 | -0.77 |