| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.44 | 0.48 | -0.04 |
| Feb | 0.67 | 0.71 | -0.04 |
| Mar | 1.21 | 1.28 | -0.07 |
| Apr | 2.27 | 2.33 | -0.06 |
| May | 3.62 | 3.58 | 0.04 |
| Jun | 3.34 | 3.42 | -0.08 |
| Jul | 3.85 | 3.58 | 0.27 |
| Aug | 3.02 | 3.09 | -0.07 |
| Sep | 1.80 | 1.88 | -0.08 |
| Oct | 1.84 | 1.89 | -0.05 |
| Nov | 0.89 | 0.93 | -0.04 |
| Dec | 0.65 | 0.72 | -0.07 |
23.60 | 23.89 | -0.29 |