| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.12 | 2.13 | -0.01 |
| Feb | 1.88 | 1.95 | -0.07 |
| Mar | 2.41 | 2.34 | 0.07 |
| Apr | 3.82 | 3.80 | 0.02 |
| May | 4.57 | 4.62 | -0.05 |
| Jun | 4.51 | 4.43 | 0.08 |
| Jul | 4.22 | 4.34 | -0.12 |
| Aug | 4.02 | 3.97 | 0.05 |
| Sep | 3.37 | 3.34 | 0.03 |
| Oct | 3.39 | 3.37 | 0.02 |
| Nov | 2.64 | 2.59 | 0.05 |
| Dec | 2.19 | 2.15 | 0.04 |
39.14 | 39.03 | 0.11 |