| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.53 | 0.55 | -0.02 |
| Feb | 0.41 | 0.34 | 0.07 |
| Mar | 0.90 | 0.91 | -0.01 |
| Apr | 0.77 | 0.79 | -0.02 |
| May | 1.83 | 1.87 | -0.04 |
| Jun | 2.17 | 2.37 | -0.20 |
| Jul | 2.55 | 2.56 | -0.01 |
| Aug | 2.79 | 2.83 | -0.04 |
| Sep | 2.05 | 1.99 | 0.06 |
| Oct | 1.87 | 2.00 | -0.13 |
| Nov | 0.53 | 0.63 | -0.10 |
| Dec | 0.64 | 0.63 | 0.01 |
17.04 | 17.47 | -0.43 |