| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.81 | 0.77 | 0.04 |
| Feb | 1.06 | 1.09 | -0.03 |
| Mar | 1.88 | 1.79 | 0.09 |
| Apr | 3.25 | 3.32 | -0.07 |
| May | 5.24 | 5.41 | -0.17 |
| Jun | 5.00 | 5.02 | -0.02 |
| Jul | 4.13 | 4.11 | 0.02 |
| Aug | 3.53 | 3.56 | -0.03 |
| Sep | 3.15 | 3.12 | 0.03 |
| Oct | 2.68 | 2.76 | -0.08 |
| Nov | 1.53 | 1.56 | -0.03 |
| Dec | 1.23 | 1.27 | -0.04 |
33.49 | 33.78 | -0.29 |