| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.66 | 2.95 | -0.29 |
| Feb | 2.10 | 2.32 | -0.22 |
| Mar | 2.53 | 2.74 | -0.21 |
| Apr | 3.32 | 3.42 | -0.10 |
| May | 3.23 | 3.14 | 0.09 |
| Jun | 3.29 | 3.37 | -0.08 |
| Jul | 3.39 | 3.37 | 0.02 |
| Aug | 3.15 | 3.07 | 0.08 |
| Sep | 3.74 | 3.70 | 0.04 |
| Oct | 3.57 | 3.72 | -0.15 |
| Nov | 3.10 | 3.13 | -0.03 |
| Dec | 3.08 | 3.22 | -0.14 |
37.16 | 38.15 | -0.99 |