| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.29 | 2.35 | -0.06 |
| Feb | 1.97 | 2.04 | -0.07 |
| Mar | 2.41 | 2.40 | 0.01 |
| Apr | 3.66 | 3.57 | 0.09 |
| May | 4.25 | 4.11 | 0.14 |
| Jun | 4.55 | 4.53 | 0.02 |
| Jul | 4.17 | 4.30 | -0.13 |
| Aug | 4.33 | 4.28 | 0.05 |
| Sep | 3.26 | 3.27 | -0.01 |
| Oct | 3.54 | 3.62 | -0.08 |
| Nov | 2.75 | 2.81 | -0.06 |
| Dec | 2.24 | 2.25 | -0.01 |
39.42 | 39.53 | -0.11 |