| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.19 | 4.22 | -0.03 |
| Feb | 3.70 | 3.81 | -0.11 |
| Mar | 4.18 | 4.33 | -0.15 |
| Apr | 3.24 | 3.28 | -0.04 |
| May | 3.32 | 3.32 | 0.00 |
| Jun | 5.07 | 5.15 | -0.08 |
| Jul | 4.99 | 4.89 | 0.10 |
| Aug | 4.88 | 5.03 | -0.15 |
| Sep | 4.05 | 4.14 | -0.09 |
| Oct | 2.95 | 2.96 | -0.01 |
| Nov | 3.07 | 3.14 | -0.07 |
| Dec | 4.15 | 4.12 | 0.03 |
47.79 | 48.39 | -0.60 |