| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.17 | 4.25 | -0.08 |
| Feb | 3.68 | 3.82 | -0.14 |
| Mar | 4.25 | 4.39 | -0.14 |
| Apr | 3.12 | 3.29 | -0.17 |
| May | 3.34 | 3.29 | 0.05 |
| Jun | 4.83 | 5.07 | -0.24 |
| Jul | 4.86 | 4.80 | 0.06 |
| Aug | 4.83 | 4.95 | -0.12 |
| Sep | 3.90 | 4.06 | -0.16 |
| Oct | 2.85 | 2.87 | -0.02 |
| Nov | 3.01 | 3.17 | -0.16 |
| Dec | 4.22 | 4.22 | 0.00 |
47.06 | 48.18 | -1.12 |