| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.49 | 3.84 | -0.35 |
| Feb | 2.83 | 3.28 | -0.45 |
| Mar | 3.36 | 3.90 | -0.54 |
| Apr | 3.72 | 4.03 | -0.31 |
| May | 4.04 | 4.28 | -0.24 |
| Jun | 5.10 | 4.79 | 0.31 |
| Jul | 4.72 | 4.77 | -0.05 |
| Aug | 4.57 | 4.65 | -0.08 |
| Sep | 4.45 | 4.28 | 0.17 |
| Oct | 4.68 | 5.18 | -0.50 |
| Nov | 3.86 | 3.99 | -0.13 |
| Dec | 4.09 | 4.84 | -0.75 |
48.91 | 51.83 | -2.92 |