| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.43 | 0.44 | -0.01 |
| Feb | 0.50 | 0.56 | -0.06 |
| Mar | 1.20 | 1.38 | -0.18 |
| Apr | 2.05 | 2.15 | -0.10 |
| May | 2.57 | 2.89 | -0.32 |
| Jun | 1.77 | 1.93 | -0.16 |
| Jul | 1.57 | 1.79 | -0.22 |
| Aug | 1.42 | 1.64 | -0.22 |
| Sep | 1.35 | 1.47 | -0.12 |
| Oct | 1.15 | 1.29 | -0.14 |
| Nov | 0.74 | 0.82 | -0.08 |
| Dec | 0.47 | 0.54 | -0.07 |
15.22 | 16.90 | -1.68 |