| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.44 | 2.49 | -0.05 |
| Feb | 2.08 | 2.15 | -0.07 |
| Mar | 2.34 | 2.40 | -0.06 |
| Apr | 3.58 | 3.53 | 0.05 |
| May | 4.17 | 4.19 | -0.02 |
| Jun | 3.98 | 3.93 | 0.05 |
| Jul | 3.79 | 3.75 | 0.04 |
| Aug | 3.61 | 3.88 | -0.27 |
| Sep | 3.25 | 3.10 | 0.15 |
| Oct | 3.07 | 2.97 | 0.10 |
| Nov | 3.03 | 2.94 | 0.09 |
| Dec | 2.38 | 2.40 | -0.02 |
37.72 | 37.73 | -0.01 |