| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.49 | 2.39 | 0.10 |
| Feb | 2.07 | 2.05 | 0.02 |
| Mar | 2.68 | 2.70 | -0.02 |
| Apr | 3.18 | 3.17 | 0.01 |
| May | 3.26 | 3.26 | 0.00 |
| Jun | 3.71 | 3.67 | 0.04 |
| Jul | 3.86 | 3.82 | 0.04 |
| Aug | 3.68 | 3.64 | 0.04 |
| Sep | 3.64 | 3.53 | 0.11 |
| Oct | 3.85 | 3.77 | 0.08 |
| Nov | 3.03 | 2.99 | 0.04 |
| Dec | 2.96 | 2.88 | 0.08 |
38.41 | 37.87 | 0.54 |