| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.35 | 3.42 | -0.07 |
| Feb | 3.05 | 3.04 | 0.01 |
| Mar | 3.82 | 3.89 | -0.07 |
| Apr | 4.00 | 4.06 | -0.06 |
| May | 3.71 | 3.72 | -0.01 |
| Jun | 4.41 | 4.43 | -0.02 |
| Jul | 4.14 | 4.12 | 0.02 |
| Aug | 4.20 | 4.26 | -0.06 |
| Sep | 4.40 | 4.35 | 0.05 |
| Oct | 4.82 | 4.91 | -0.09 |
| Nov | 3.73 | 3.71 | 0.02 |
| Dec | 4.19 | 4.41 | -0.22 |
47.82 | 48.32 | -0.50 |