| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.42 | 2.72 | -0.30 |
| Feb | 2.00 | 2.12 | -0.12 |
| Mar | 2.72 | 2.76 | -0.04 |
| Apr | 3.93 | 3.88 | 0.05 |
| May | 4.33 | 4.36 | -0.03 |
| Jun | 4.86 | 4.79 | 0.07 |
| Jul | 4.49 | 4.43 | 0.06 |
| Aug | 3.45 | 3.33 | 0.12 |
| Sep | 2.99 | 2.94 | 0.05 |
| Oct | 3.09 | 3.05 | 0.04 |
| Nov | 2.99 | 3.12 | -0.13 |
| Dec | 2.44 | 2.54 | -0.10 |
39.71 | 40.04 | -0.33 |