| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.30 | 2.46 | -0.16 |
| Feb | 2.04 | 2.10 | -0.06 |
| Mar | 2.43 | 2.51 | -0.08 |
| Apr | 3.49 | 3.59 | -0.10 |
| May | 3.81 | 3.95 | -0.14 |
| Jun | 3.83 | 3.82 | 0.01 |
| Jul | 3.75 | 3.81 | -0.06 |
| Aug | 3.48 | 3.49 | -0.01 |
| Sep | 3.06 | 2.97 | 0.09 |
| Oct | 2.68 | 2.75 | -0.07 |
| Nov | 2.58 | 2.68 | -0.10 |
| Dec | 2.33 | 2.46 | -0.13 |
35.78 | 36.59 | -0.81 |