| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.40 | 0.37 | 0.03 |
| Feb | 0.47 | 0.39 | 0.08 |
| Mar | 0.93 | 0.88 | 0.05 |
| Apr | 1.63 | 1.64 | -0.01 |
| May | 2.41 | 2.48 | -0.07 |
| Jun | 2.39 | 2.10 | 0.29 |
| Jul | 2.41 | 2.32 | 0.09 |
| Aug | 2.06 | 2.07 | -0.01 |
| Sep | 1.27 | 1.10 | 0.17 |
| Oct | 1.12 | 1.05 | 0.07 |
| Nov | 0.63 | 0.57 | 0.06 |
| Dec | 0.39 | 0.41 | -0.02 |
16.11 | 15.38 | 0.73 |