| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.21 | 2.18 | 0.03 |
| Feb | 1.89 | 1.83 | 0.06 |
| Mar | 2.24 | 2.25 | -0.01 |
| Apr | 3.08 | 3.12 | -0.04 |
| May | 3.68 | 3.57 | 0.11 |
| Jun | 3.28 | 3.25 | 0.03 |
| Jul | 3.40 | 3.30 | 0.10 |
| Aug | 3.28 | 3.38 | -0.10 |
| Sep | 3.22 | 3.05 | 0.17 |
| Oct | 2.76 | 2.72 | 0.04 |
| Nov | 2.49 | 2.53 | -0.04 |
| Dec | 2.17 | 2.21 | -0.04 |
33.70 | 33.39 | 0.31 |