| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.49 | 3.51 | -0.02 |
| Feb | 2.77 | 2.88 | -0.11 |
| Mar | 3.89 | 3.95 | -0.06 |
| Apr | 5.12 | 5.19 | -0.07 |
| May | 5.48 | 5.55 | -0.07 |
| Jun | 5.11 | 5.05 | 0.06 |
| Jul | 4.39 | 4.46 | -0.07 |
| Aug | 3.49 | 3.40 | 0.09 |
| Sep | 3.55 | 3.58 | -0.03 |
| Oct | 3.63 | 3.65 | -0.02 |
| Nov | 3.97 | 3.96 | 0.01 |
| Dec | 3.48 | 3.56 | -0.08 |
48.37 | 48.74 | -0.37 |