| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.27 | 1.41 | -0.14 |
| Feb | 1.20 | 1.34 | -0.14 |
| Mar | 1.91 | 1.96 | -0.05 |
| Apr | 3.49 | 3.54 | -0.05 |
| May | 3.98 | 4.07 | -0.09 |
| Jun | 4.85 | 4.97 | -0.12 |
| Jul | 3.82 | 4.08 | -0.26 |
| Aug | 4.22 | 3.79 | 0.43 |
| Sep | 3.27 | 3.30 | -0.03 |
| Oct | 2.85 | 2.85 | 0.00 |
| Nov | 2.02 | 2.07 | -0.05 |
| Dec | 1.52 | 1.64 | -0.12 |
34.40 | 35.02 | -0.62 |