| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.61 | 3.73 | -0.12 |
| Feb | 3.21 | 3.29 | -0.08 |
| Mar | 4.16 | 4.25 | -0.09 |
| Apr | 4.23 | 4.35 | -0.12 |
| May | 3.84 | 3.90 | -0.06 |
| Jun | 4.59 | 4.52 | 0.07 |
| Jul | 4.27 | 4.38 | -0.11 |
| Aug | 4.39 | 4.44 | -0.05 |
| Sep | 4.68 | 4.65 | 0.03 |
| Oct | 5.30 | 5.41 | -0.11 |
| Nov | 3.93 | 4.04 | -0.11 |
| Dec | 4.50 | 4.68 | -0.18 |
50.71 | 51.64 | -0.93 |