| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.18 | 2.57 | -0.39 |
| Feb | 1.77 | 2.03 | -0.26 |
| Mar | 2.04 | 2.28 | -0.24 |
| Apr | 3.48 | 3.53 | -0.05 |
| May | 3.64 | 4.04 | -0.40 |
| Jun | 3.48 | 3.38 | 0.10 |
| Jul | 3.16 | 3.30 | -0.14 |
| Aug | 3.25 | 3.32 | -0.07 |
| Sep | 3.13 | 3.30 | -0.17 |
| Oct | 3.86 | 4.02 | -0.16 |
| Nov | 3.06 | 3.20 | -0.14 |
| Dec | 2.39 | 2.64 | -0.25 |
35.44 | 37.61 | -2.17 |