| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.28 | 2.36 | -0.08 |
| Feb | 1.97 | 1.90 | 0.07 |
| Mar | 2.41 | 2.53 | -0.12 |
| Apr | 3.13 | 3.21 | -0.08 |
| May | 3.71 | 3.68 | 0.03 |
| Jun | 4.32 | 4.32 | 0.00 |
| Jul | 4.06 | 4.23 | -0.17 |
| Aug | 3.74 | 3.68 | 0.06 |
| Sep | 3.62 | 3.72 | -0.10 |
| Oct | 3.94 | 3.95 | -0.01 |
| Nov | 2.81 | 2.96 | -0.15 |
| Dec | 2.74 | 2.84 | -0.10 |
38.73 | 39.38 | -0.65 |