| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.39 | 0.39 | 0.00 |
| Feb | 0.43 | 0.46 | -0.03 |
| Mar | 1.05 | 1.20 | -0.15 |
| Apr | 1.94 | 1.96 | -0.02 |
| May | 2.47 | 2.73 | -0.26 |
| Jun | 1.73 | 1.75 | -0.02 |
| Jul | 1.57 | 1.53 | 0.04 |
| Aug | 1.32 | 1.36 | -0.04 |
| Sep | 1.32 | 1.30 | 0.02 |
| Oct | 1.10 | 1.20 | -0.10 |
| Nov | 0.65 | 0.69 | -0.04 |
| Dec | 0.38 | 0.46 | -0.08 |
14.35 | 15.03 | -0.68 |