| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.54 | 0.60 | -0.06 |
| Feb | 0.66 | 0.66 | 0.00 |
| Mar | 1.42 | 1.40 | 0.02 |
| Apr | 1.89 | 1.92 | -0.03 |
| May | 3.21 | 3.46 | -0.25 |
| Jun | 3.39 | 3.31 | 0.08 |
| Jul | 3.63 | 3.54 | 0.09 |
| Aug | 3.18 | 3.14 | 0.04 |
| Sep | 1.67 | 1.50 | 0.17 |
| Oct | 1.94 | 1.92 | 0.02 |
| Nov | 0.75 | 0.71 | 0.04 |
| Dec | 0.82 | 0.89 | -0.07 |
23.10 | 23.05 | 0.05 |