| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.40 | 3.48 | -0.08 |
| Feb | 2.63 | 2.88 | -0.25 |
| Mar | 3.65 | 3.88 | -0.23 |
| Apr | 3.81 | 3.94 | -0.13 |
| May | 3.96 | 4.09 | -0.13 |
| Jun | 4.51 | 4.57 | -0.06 |
| Jul | 4.80 | 4.85 | -0.05 |
| Aug | 4.72 | 4.84 | -0.12 |
| Sep | 4.42 | 4.64 | -0.22 |
| Oct | 4.45 | 4.61 | -0.16 |
| Nov | 3.20 | 3.39 | -0.19 |
| Dec | 4.07 | 4.23 | -0.16 |
47.62 | 49.40 | -1.78 |