| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.25 | 2.11 | 0.14 |
| Feb | 1.87 | 1.70 | 0.17 |
| Mar | 2.42 | 2.44 | -0.02 |
| Apr | 3.06 | 2.98 | 0.08 |
| May | 3.48 | 3.20 | 0.28 |
| Jun | 4.12 | 3.87 | 0.25 |
| Jul | 3.71 | 3.72 | -0.01 |
| Aug | 3.59 | 3.57 | 0.02 |
| Sep | 3.74 | 3.72 | 0.02 |
| Oct | 3.68 | 3.39 | 0.29 |
| Nov | 2.73 | 2.56 | 0.17 |
| Dec | 2.59 | 2.42 | 0.17 |
37.24 | 35.68 | 1.56 |