| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.17 | 1.27 | -0.10 |
| Feb | 1.51 | 1.64 | -0.13 |
| Mar | 2.39 | 2.52 | -0.13 |
| Apr | 3.97 | 4.06 | -0.09 |
| May | 5.45 | 5.53 | -0.08 |
| Jun | 5.04 | 5.46 | -0.42 |
| Jul | 4.48 | 4.52 | -0.04 |
| Aug | 4.41 | 4.42 | -0.01 |
| Sep | 3.93 | 4.22 | -0.29 |
| Oct | 3.22 | 3.26 | -0.04 |
| Nov | 2.17 | 2.27 | -0.10 |
| Dec | 1.60 | 1.72 | -0.12 |
39.34 | 40.89 | -1.55 |