| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.99 | 2.10 | -0.11 |
| Feb | 1.83 | 1.96 | -0.13 |
| Mar | 2.39 | 2.35 | 0.04 |
| Apr | 3.89 | 3.90 | -0.01 |
| May | 4.60 | 4.71 | -0.11 |
| Jun | 4.42 | 4.44 | -0.02 |
| Jul | 3.85 | 3.89 | -0.04 |
| Aug | 4.07 | 4.03 | 0.04 |
| Sep | 3.26 | 3.25 | 0.01 |
| Oct | 3.52 | 3.54 | -0.02 |
| Nov | 2.60 | 2.63 | -0.03 |
| Dec | 2.17 | 2.19 | -0.02 |
38.59 | 38.99 | -0.40 |