| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.35 | 0.39 | -0.04 |
| Feb | 0.43 | 0.44 | -0.01 |
| Mar | 0.72 | 0.80 | -0.08 |
| Apr | 1.17 | 1.37 | -0.20 |
| May | 1.86 | 1.77 | 0.09 |
| Jun | 1.53 | 1.49 | 0.04 |
| Jul | 1.54 | 1.48 | 0.06 |
| Aug | 1.13 | 1.22 | -0.09 |
| Sep | 1.15 | 1.14 | 0.01 |
| Oct | 1.01 | 0.99 | 0.02 |
| Nov | 0.51 | 0.59 | -0.08 |
| Dec | 0.42 | 0.44 | -0.02 |
11.82 | 12.12 | -0.30 |