| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.04 | 3.08 | -0.04 |
| Feb | 2.63 | 2.70 | -0.07 |
| Mar | 3.79 | 3.89 | -0.10 |
| Apr | 3.47 | 3.39 | 0.08 |
| May | 4.37 | 4.35 | 0.02 |
| Jun | 4.29 | 4.39 | -0.10 |
| Jul | 4.31 | 4.25 | 0.06 |
| Aug | 3.66 | 3.82 | -0.16 |
| Sep | 4.29 | 4.36 | -0.07 |
| Oct | 3.66 | 3.91 | -0.25 |
| Nov | 3.20 | 3.28 | -0.08 |
| Dec | 3.54 | 3.71 | -0.17 |
44.25 | 45.13 | -0.88 |