| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.37 | 0.39 | -0.02 |
| Feb | 0.36 | 0.43 | -0.07 |
| Mar | 0.64 | 0.73 | -0.09 |
| Apr | 1.24 | 1.25 | -0.01 |
| May | 2.59 | 2.50 | 0.09 |
| Jun | 2.88 | 2.99 | -0.11 |
| Jul | 2.38 | 2.49 | -0.11 |
| Aug | 1.66 | 1.78 | -0.12 |
| Sep | 1.55 | 1.82 | -0.27 |
| Oct | 1.19 | 1.30 | -0.11 |
| Nov | 0.48 | 0.54 | -0.06 |
| Dec | 0.41 | 0.43 | -0.02 |
15.75 | 16.65 | -0.90 |