| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.20 | 4.26 | -0.06 |
| Feb | 3.82 | 3.86 | -0.04 |
| Mar | 4.57 | 4.63 | -0.06 |
| Apr | 3.91 | 3.97 | -0.06 |
| May | 3.94 | 3.86 | 0.08 |
| Jun | 4.32 | 4.09 | 0.23 |
| Jul | 4.04 | 4.19 | -0.15 |
| Aug | 4.46 | 4.68 | -0.22 |
| Sep | 3.85 | 3.68 | 0.17 |
| Oct | 3.35 | 3.53 | -0.18 |
| Nov | 3.66 | 3.88 | -0.22 |
| Dec | 4.39 | 4.79 | -0.40 |
48.51 | 49.42 | -0.91 |