| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.43 | 3.49 | -0.06 |
| Feb | 2.64 | 2.69 | -0.05 |
| Mar | 3.69 | 3.79 | -0.10 |
| Apr | 3.79 | 3.83 | -0.04 |
| May | 3.96 | 4.09 | -0.13 |
| Jun | 4.64 | 4.69 | -0.05 |
| Jul | 4.61 | 4.69 | -0.08 |
| Aug | 4.71 | 4.70 | 0.01 |
| Sep | 4.48 | 4.64 | -0.16 |
| Oct | 4.47 | 4.76 | -0.29 |
| Nov | 3.32 | 3.33 | -0.01 |
| Dec | 4.05 | 4.25 | -0.20 |
47.79 | 48.95 | -1.16 |