| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.41 | 3.44 | -0.03 |
| Feb | 3.42 | 3.49 | -0.07 |
| Mar | 4.10 | 4.19 | -0.09 |
| Apr | 4.40 | 4.51 | -0.11 |
| May | 3.77 | 3.67 | 0.10 |
| Jun | 4.39 | 4.37 | 0.02 |
| Jul | 3.63 | 3.68 | -0.05 |
| Aug | 3.54 | 3.57 | -0.03 |
| Sep | 3.88 | 3.79 | 0.09 |
| Oct | 5.16 | 5.42 | -0.26 |
| Nov | 4.39 | 4.25 | 0.14 |
| Dec | 4.52 | 4.66 | -0.14 |
48.61 | 49.04 | -0.43 |