| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.24 | 4.46 | -0.22 |
| Feb | 3.71 | 3.88 | -0.17 |
| Mar | 4.21 | 4.48 | -0.27 |
| Apr | 3.15 | 3.38 | -0.23 |
| May | 3.35 | 3.41 | -0.06 |
| Jun | 4.91 | 5.26 | -0.35 |
| Jul | 5.00 | 5.04 | -0.04 |
| Aug | 4.89 | 5.09 | -0.20 |
| Sep | 3.95 | 4.21 | -0.26 |
| Oct | 2.83 | 2.88 | -0.05 |
| Nov | 3.02 | 3.20 | -0.18 |
| Dec | 4.20 | 4.26 | -0.06 |
47.46 | 49.55 | -2.09 |