| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.66 | 3.73 | -0.07 |
| Feb | 3.06 | 3.39 | -0.33 |
| Mar | 3.76 | 4.03 | -0.27 |
| Apr | 4.06 | 4.16 | -0.10 |
| May | 4.07 | 4.38 | -0.31 |
| Jun | 4.68 | 5.40 | -0.72 |
| Jul | 4.32 | 4.72 | -0.40 |
| Aug | 4.12 | 4.51 | -0.39 |
| Sep | 3.95 | 4.19 | -0.24 |
| Oct | 5.05 | 5.41 | -0.36 |
| Nov | 3.82 | 4.05 | -0.23 |
| Dec | 4.39 | 4.53 | -0.14 |
48.94 | 52.50 | -3.56 |