| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.57 | 2.40 | 0.17 |
| Feb | 2.11 | 2.04 | 0.07 |
| Mar | 2.69 | 2.67 | 0.02 |
| Apr | 3.17 | 3.12 | 0.05 |
| May | 3.28 | 3.23 | 0.05 |
| Jun | 3.71 | 3.62 | 0.09 |
| Jul | 3.85 | 3.79 | 0.06 |
| Aug | 3.71 | 3.57 | 0.14 |
| Sep | 3.63 | 3.47 | 0.16 |
| Oct | 3.87 | 3.67 | 0.20 |
| Nov | 3.08 | 2.95 | 0.13 |
| Dec | 3.02 | 2.87 | 0.15 |
38.69 | 37.40 | 1.29 |