| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.36 | 0.30 | 0.06 |
| Feb | 0.51 | 0.48 | 0.03 |
| Mar | 0.83 | 0.79 | 0.04 |
| Apr | 1.79 | 1.71 | 0.08 |
| May | 2.56 | 2.67 | -0.11 |
| Jun | 2.46 | 2.66 | -0.20 |
| Jul | 2.25 | 2.27 | -0.02 |
| Aug | 1.30 | 1.39 | -0.09 |
| Sep | 1.17 | 1.15 | 0.02 |
| Oct | 1.11 | 1.18 | -0.07 |
| Nov | 0.49 | 0.47 | 0.02 |
| Dec | 0.37 | 0.32 | 0.05 |
15.20 | 15.39 | -0.19 |