| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.12 | 1.21 | -0.09 |
| Feb | 1.35 | 1.45 | -0.10 |
| Mar | 2.09 | 2.19 | -0.10 |
| Apr | 3.81 | 3.79 | 0.02 |
| May | 4.45 | 4.62 | -0.17 |
| Jun | 5.56 | 5.43 | 0.13 |
| Jul | 4.35 | 4.39 | -0.04 |
| Aug | 4.14 | 4.14 | 0.00 |
| Sep | 3.59 | 3.66 | -0.07 |
| Oct | 2.97 | 2.95 | 0.02 |
| Nov | 2.15 | 2.19 | -0.04 |
| Dec | 1.64 | 1.68 | -0.04 |
37.22 | 37.70 | -0.48 |