| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.57 | 3.70 | -0.13 |
| Feb | 2.82 | 2.90 | -0.08 |
| Mar | 4.15 | 4.16 | -0.01 |
| Apr | 3.68 | 3.89 | -0.21 |
| May | 3.73 | 3.64 | 0.09 |
| Jun | 4.33 | 4.42 | -0.09 |
| Jul | 4.43 | 4.41 | 0.02 |
| Aug | 4.49 | 4.46 | 0.03 |
| Sep | 4.39 | 4.74 | -0.35 |
| Oct | 3.53 | 3.49 | 0.04 |
| Nov | 3.28 | 3.32 | -0.04 |
| Dec | 3.53 | 3.59 | -0.06 |
45.93 | 46.72 | -0.79 |