| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.09 | 2.12 | -0.03 |
| Feb | 1.89 | 1.97 | -0.08 |
| Mar | 2.52 | 2.59 | -0.07 |
| Apr | 3.82 | 3.78 | 0.04 |
| May | 4.60 | 4.72 | -0.12 |
| Jun | 4.12 | 4.11 | 0.01 |
| Jul | 4.02 | 3.71 | 0.31 |
| Aug | 3.64 | 3.31 | 0.33 |
| Sep | 3.39 | 3.45 | -0.06 |
| Oct | 3.10 | 3.08 | 0.02 |
| Nov | 2.69 | 2.68 | 0.01 |
| Dec | 2.14 | 2.18 | -0.04 |
38.02 | 37.70 | 0.32 |