| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.51 | 3.53 | -0.02 |
| Feb | 2.86 | 2.89 | -0.03 |
| Mar | 4.01 | 4.02 | -0.01 |
| Apr | 3.59 | 3.72 | -0.13 |
| May | 3.81 | 3.84 | -0.03 |
| Jun | 4.56 | 4.24 | 0.32 |
| Jul | 5.15 | 5.41 | -0.26 |
| Aug | 4.88 | 5.10 | -0.22 |
| Sep | 4.68 | 5.10 | -0.42 |
| Oct | 4.04 | 4.42 | -0.38 |
| Nov | 3.06 | 3.08 | -0.02 |
| Dec | 3.62 | 3.71 | -0.09 |
47.77 | 49.06 | -1.29 |