| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.62 | 3.69 | -0.07 |
| Feb | 2.86 | 2.98 | -0.12 |
| Mar | 4.33 | 4.39 | -0.06 |
| Apr | 3.59 | 3.74 | -0.15 |
| May | 3.86 | 3.82 | 0.04 |
| Jun | 4.19 | 4.26 | -0.07 |
| Jul | 4.86 | 4.68 | 0.18 |
| Aug | 4.39 | 4.51 | -0.12 |
| Sep | 3.92 | 4.02 | -0.10 |
| Oct | 4.08 | 4.14 | -0.06 |
| Nov | 3.34 | 3.39 | -0.05 |
| Dec | 4.32 | 4.49 | -0.17 |
47.36 | 48.11 | -0.75 |