| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.77 | 0.79 | -0.02 |
| Feb | 1.18 | 1.23 | -0.05 |
| Mar | 2.14 | 2.19 | -0.05 |
| Apr | 3.09 | 3.11 | -0.02 |
| May | 4.89 | 4.94 | -0.05 |
| Jun | 4.41 | 4.44 | -0.03 |
| Jul | 4.47 | 4.41 | 0.06 |
| Aug | 4.07 | 4.13 | -0.06 |
| Sep | 2.94 | 2.99 | -0.05 |
| Oct | 2.48 | 2.43 | 0.05 |
| Nov | 1.48 | 1.58 | -0.10 |
| Dec | 1.19 | 1.27 | -0.08 |
33.11 | 33.51 | -0.40 |