| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.43 | 0.41 | 0.02 |
| Feb | 0.62 | 0.63 | -0.01 |
| Mar | 1.12 | 1.17 | -0.05 |
| Apr | 2.43 | 2.53 | -0.10 |
| May | 3.73 | 3.87 | -0.14 |
| Jun | 3.66 | 3.81 | -0.15 |
| Jul | 3.23 | 3.27 | -0.04 |
| Aug | 2.84 | 2.75 | 0.09 |
| Sep | 1.83 | 1.79 | 0.04 |
| Oct | 1.83 | 1.82 | 0.01 |
| Nov | 0.72 | 0.73 | -0.01 |
| Dec | 0.52 | 0.54 | -0.02 |
22.96 | 23.32 | -0.36 |