| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.43 | 2.44 | -0.01 |
| Feb | 2.01 | 2.12 | -0.11 |
| Mar | 2.35 | 2.41 | -0.06 |
| Apr | 3.61 | 3.57 | 0.04 |
| May | 4.37 | 4.27 | 0.10 |
| Jun | 3.85 | 3.91 | -0.06 |
| Jul | 3.66 | 3.68 | -0.02 |
| Aug | 3.63 | 3.91 | -0.28 |
| Sep | 3.17 | 3.10 | 0.07 |
| Oct | 2.95 | 2.91 | 0.04 |
| Nov | 2.99 | 2.96 | 0.03 |
| Dec | 2.36 | 2.39 | -0.03 |
37.38 | 37.67 | -0.29 |