| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.35 | 3.52 | -0.17 |
| Feb | 3.14 | 3.37 | -0.23 |
| Mar | 3.96 | 3.91 | 0.05 |
| Apr | 4.28 | 4.39 | -0.11 |
| May | 3.58 | 3.59 | -0.01 |
| Jun | 4.45 | 4.68 | -0.23 |
| Jul | 3.57 | 3.73 | -0.16 |
| Aug | 3.49 | 3.53 | -0.04 |
| Sep | 3.91 | 3.97 | -0.06 |
| Oct | 5.22 | 5.45 | -0.23 |
| Nov | 4.40 | 4.36 | 0.04 |
| Dec | 4.29 | 4.60 | -0.31 |
47.64 | 49.10 | -1.46 |