| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.49 | 0.47 | 0.02 |
| Feb | 0.58 | 0.57 | 0.01 |
| Mar | 0.90 | 0.90 | 0.00 |
| Apr | 1.85 | 1.85 | 0.00 |
| May | 3.15 | 3.21 | -0.06 |
| Jun | 3.52 | 3.59 | -0.07 |
| Jul | 3.12 | 3.25 | -0.13 |
| Aug | 2.36 | 2.48 | -0.12 |
| Sep | 2.06 | 2.13 | -0.07 |
| Oct | 1.85 | 1.85 | 0.00 |
| Nov | 0.65 | 0.65 | 0.00 |
| Dec | 0.60 | 0.57 | 0.03 |
21.13 | 21.52 | -0.39 |