| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.57 | 0.52 | 0.05 |
| Feb | 0.82 | 0.77 | 0.05 |
| Mar | 1.33 | 1.28 | 0.05 |
| Apr | 2.12 | 2.02 | 0.10 |
| May | 3.86 | 3.60 | 0.26 |
| Jun | 3.43 | 3.12 | 0.31 |
| Jul | 3.88 | 3.88 | 0.00 |
| Aug | 3.44 | 3.36 | 0.08 |
| Sep | 1.98 | 2.04 | -0.06 |
| Oct | 1.76 | 1.68 | 0.08 |
| Nov | 0.94 | 0.87 | 0.07 |
| Dec | 0.84 | 0.82 | 0.02 |
24.97 | 23.96 | 1.01 |