| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.48 | 2.88 | -0.40 |
| Feb | 1.99 | 2.16 | -0.17 |
| Mar | 2.16 | 2.40 | -0.24 |
| Apr | 3.46 | 3.54 | -0.08 |
| May | 4.02 | 4.18 | -0.16 |
| Jun | 3.97 | 3.94 | 0.03 |
| Jul | 3.53 | 3.64 | -0.11 |
| Aug | 3.76 | 4.03 | -0.27 |
| Sep | 3.26 | 3.36 | -0.10 |
| Oct | 3.84 | 4.08 | -0.24 |
| Nov | 2.77 | 2.99 | -0.22 |
| Dec | 2.35 | 2.71 | -0.36 |
37.59 | 39.91 | -2.32 |