| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.95 | 1.04 | -0.09 |
| Feb | 1.40 | 1.44 | -0.04 |
| Mar | 2.26 | 2.36 | -0.10 |
| Apr | 3.72 | 3.91 | -0.19 |
| May | 5.08 | 5.18 | -0.10 |
| Jun | 5.42 | 5.23 | 0.19 |
| Jul | 4.27 | 4.25 | 0.02 |
| Aug | 4.45 | 4.35 | 0.10 |
| Sep | 3.81 | 3.82 | -0.01 |
| Oct | 3.06 | 3.19 | -0.13 |
| Nov | 1.97 | 2.01 | -0.04 |
| Dec | 1.55 | 1.61 | -0.06 |
37.94 | 38.39 | -0.45 |