| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.83 | 2.03 | -0.20 |
| Feb | 1.79 | 1.88 | -0.09 |
| Mar | 2.39 | 2.57 | -0.18 |
| Apr | 3.66 | 3.79 | -0.13 |
| May | 4.63 | 4.67 | -0.04 |
| Jun | 4.26 | 4.10 | 0.16 |
| Jul | 3.87 | 3.79 | 0.08 |
| Aug | 3.62 | 3.50 | 0.12 |
| Sep | 3.40 | 3.35 | 0.05 |
| Oct | 2.97 | 3.06 | -0.09 |
| Nov | 2.47 | 2.57 | -0.10 |
| Dec | 2.07 | 2.05 | 0.02 |
36.96 | 37.36 | -0.40 |