| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.97 | 2.17 | -0.20 |
| Feb | 1.81 | 2.00 | -0.19 |
| Mar | 2.32 | 2.34 | -0.02 |
| Apr | 3.79 | 3.90 | -0.11 |
| May | 4.55 | 4.62 | -0.07 |
| Jun | 4.32 | 4.37 | -0.05 |
| Jul | 3.67 | 3.79 | -0.12 |
| Aug | 3.97 | 4.04 | -0.07 |
| Sep | 3.24 | 3.23 | 0.01 |
| Oct | 3.44 | 3.52 | -0.08 |
| Nov | 2.50 | 2.66 | -0.16 |
| Dec | 2.10 | 2.25 | -0.15 |
37.68 | 38.89 | -1.21 |