| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.74 | 0.93 | -0.19 |
| Feb | 0.77 | 0.87 | -0.10 |
| Mar | 1.57 | 1.67 | -0.10 |
| Apr | 2.87 | 3.10 | -0.23 |
| May | 4.13 | 4.35 | -0.22 |
| Jun | 4.46 | 4.62 | -0.16 |
| Jul | 4.22 | 4.32 | -0.10 |
| Aug | 4.35 | 4.22 | 0.13 |
| Sep | 3.25 | 3.35 | -0.10 |
| Oct | 2.82 | 2.80 | 0.02 |
| Nov | 1.57 | 1.68 | -0.11 |
| Dec | 1.04 | 1.29 | -0.25 |
31.79 | 33.20 | -1.41 |