| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.81 | 2.08 | -0.27 |
| Feb | 1.32 | 1.50 | -0.18 |
| Mar | 1.52 | 1.97 | -0.45 |
| Apr | 2.40 | 2.50 | -0.10 |
| May | 2.85 | 3.10 | -0.25 |
| Jun | 3.06 | 3.11 | -0.05 |
| Jul | 3.46 | 3.59 | -0.13 |
| Aug | 2.77 | 2.90 | -0.13 |
| Sep | 3.52 | 3.34 | 0.18 |
| Oct | 3.38 | 3.46 | -0.08 |
| Nov | 2.24 | 2.56 | -0.32 |
| Dec | 1.76 | 2.13 | -0.37 |
30.09 | 32.24 | -2.15 |