| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.49 | 3.64 | -0.15 |
| Feb | 2.83 | 2.88 | -0.05 |
| Mar | 4.15 | 4.23 | -0.08 |
| Apr | 3.64 | 3.82 | -0.18 |
| May | 4.04 | 4.00 | 0.04 |
| Jun | 4.30 | 4.60 | -0.30 |
| Jul | 4.83 | 4.81 | 0.02 |
| Aug | 4.37 | 4.52 | -0.15 |
| Sep | 3.95 | 4.13 | -0.18 |
| Oct | 4.10 | 4.10 | 0.00 |
| Nov | 3.19 | 3.35 | -0.16 |
| Dec | 4.27 | 4.38 | -0.11 |
47.16 | 48.46 | -1.30 |