| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.34 | 2.40 | -0.06 |
| Feb | 1.98 | 2.10 | -0.12 |
| Mar | 2.89 | 2.88 | 0.01 |
| Apr | 4.06 | 4.11 | -0.05 |
| May | 4.42 | 4.52 | -0.10 |
| Jun | 4.71 | 4.82 | -0.11 |
| Jul | 4.19 | 4.27 | -0.08 |
| Aug | 3.41 | 3.37 | 0.04 |
| Sep | 3.07 | 3.10 | -0.03 |
| Oct | 3.33 | 3.39 | -0.06 |
| Nov | 3.24 | 3.28 | -0.04 |
| Dec | 2.42 | 2.47 | -0.05 |
40.06 | 40.71 | -0.65 |