| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.25 | 4.44 | -0.19 |
| Feb | 3.71 | 3.88 | -0.17 |
| Mar | 4.23 | 4.47 | -0.24 |
| Apr | 3.17 | 3.37 | -0.20 |
| May | 3.35 | 3.40 | -0.05 |
| Jun | 4.88 | 5.24 | -0.36 |
| Jul | 4.96 | 5.01 | -0.05 |
| Aug | 4.87 | 5.07 | -0.20 |
| Sep | 3.96 | 4.20 | -0.24 |
| Oct | 2.86 | 2.88 | -0.02 |
| Nov | 3.05 | 3.20 | -0.15 |
| Dec | 4.23 | 4.27 | -0.04 |
47.52 | 49.43 | -1.91 |