| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.30 | 1.47 | -0.17 |
| Feb | 1.35 | 1.36 | -0.01 |
| Mar | 1.23 | 1.36 | -0.13 |
| Apr | 1.47 | 1.65 | -0.18 |
| May | 1.40 | 1.60 | -0.20 |
| Jun | 0.71 | 0.75 | -0.04 |
| Jul | 0.57 | 0.52 | 0.05 |
| Aug | 0.71 | 0.69 | 0.02 |
| Sep | 0.98 | 1.01 | -0.03 |
| Oct | 1.30 | 1.28 | 0.02 |
| Nov | 1.02 | 1.08 | -0.06 |
| Dec | 1.24 | 1.36 | -0.12 |
13.28 | 14.13 | -0.85 |