| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.36 | 3.64 | 0.72 |
| Feb | 4.13 | 3.32 | 0.81 |
| Mar | 3.84 | 3.30 | 0.54 |
| Apr | 2.17 | 1.94 | 0.23 |
| May | 1.29 | 0.97 | 0.32 |
| Jun | 0.23 | 0.25 | -0.02 |
| Jul | 0.01 | 0.01 | 0.00 |
| Aug | 0.02 | 0.02 | 0.00 |
| Sep | 0.15 | 0.13 | 0.02 |
| Oct | 1.14 | 1.05 | 0.09 |
| Nov | 2.42 | 1.80 | 0.62 |
| Dec | 4.20 | 3.68 | 0.52 |
23.96 | 20.11 | 3.85 |