| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.99 | 2.89 | 0.10 |
| Feb | 2.65 | 2.64 | 0.01 |
| Mar | 3.48 | 3.49 | -0.01 |
| Apr | 3.57 | 3.65 | -0.08 |
| May | 4.27 | 4.29 | -0.02 |
| Jun | 3.96 | 4.00 | -0.04 |
| Jul | 4.06 | 3.73 | 0.33 |
| Aug | 3.43 | 3.40 | 0.03 |
| Sep | 3.73 | 3.38 | 0.35 |
| Oct | 2.89 | 2.86 | 0.03 |
| Nov | 2.82 | 2.79 | 0.03 |
| Dec | 3.17 | 3.18 | -0.01 |
41.02 | 40.30 | 0.72 |