| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.66 | 0.45 | 0.21 |
| Feb | 0.55 | 0.42 | 0.13 |
| Mar | 0.85 | 0.74 | 0.11 |
| Apr | 1.07 | 1.02 | 0.05 |
| May | 2.96 | 2.97 | -0.01 |
| Jun | 3.77 | 3.79 | -0.02 |
| Jul | 3.22 | 3.29 | -0.07 |
| Aug | 2.47 | 2.45 | 0.02 |
| Sep | 2.27 | 2.35 | -0.08 |
| Oct | 1.64 | 1.63 | 0.01 |
| Nov | 0.87 | 0.79 | 0.08 |
| Dec | 0.80 | 0.62 | 0.18 |
21.13 | 20.52 | 0.61 |