| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.62 | 3.69 | -0.07 |
| Feb | 2.74 | 2.96 | -0.22 |
| Mar | 4.04 | 4.17 | -0.13 |
| Apr | 3.94 | 4.11 | -0.17 |
| May | 4.00 | 4.40 | -0.40 |
| Jun | 4.69 | 5.11 | -0.42 |
| Jul | 5.06 | 5.55 | -0.49 |
| Aug | 4.73 | 5.12 | -0.39 |
| Sep | 4.88 | 5.14 | -0.26 |
| Oct | 4.38 | 4.82 | -0.44 |
| Nov | 3.53 | 3.64 | -0.11 |
| Dec | 4.10 | 4.37 | -0.27 |
49.71 | 53.08 | -3.37 |