| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.53 | 2.70 | -0.17 |
| Feb | 2.18 | 2.22 | -0.04 |
| Mar | 2.31 | 2.33 | -0.02 |
| Apr | 3.54 | 3.47 | 0.07 |
| May | 4.09 | 4.20 | -0.11 |
| Jun | 4.12 | 4.09 | 0.03 |
| Jul | 3.91 | 3.86 | 0.05 |
| Aug | 3.96 | 3.89 | 0.07 |
| Sep | 3.37 | 3.22 | 0.15 |
| Oct | 3.48 | 3.38 | 0.10 |
| Nov | 2.85 | 2.82 | 0.03 |
| Dec | 2.49 | 2.45 | 0.04 |
38.83 | 38.63 | 0.20 |