| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.51 | 1.64 | -0.13 |
| Feb | 1.40 | 1.52 | -0.12 |
| Mar | 1.89 | 1.94 | -0.05 |
| Apr | 3.57 | 3.68 | -0.11 |
| May | 3.69 | 3.79 | -0.10 |
| Jun | 4.39 | 4.28 | 0.11 |
| Jul | 3.59 | 3.78 | -0.19 |
| Aug | 3.70 | 3.73 | -0.03 |
| Sep | 3.09 | 3.10 | -0.01 |
| Oct | 2.69 | 2.72 | -0.03 |
| Nov | 2.03 | 2.06 | -0.03 |
| Dec | 1.72 | 1.90 | -0.18 |
33.27 | 34.14 | -0.87 |