| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.71 | 3.84 | -0.13 |
| Feb | 3.47 | 3.56 | -0.09 |
| Mar | 3.78 | 4.11 | -0.33 |
| Apr | 2.96 | 3.03 | -0.07 |
| May | 3.31 | 3.39 | -0.08 |
| Jun | 4.68 | 4.88 | -0.20 |
| Jul | 4.52 | 4.81 | -0.29 |
| Aug | 4.57 | 4.88 | -0.31 |
| Sep | 4.00 | 4.13 | -0.13 |
| Oct | 3.21 | 3.47 | -0.26 |
| Nov | 2.89 | 3.11 | -0.22 |
| Dec | 3.79 | 3.91 | -0.12 |
44.89 | 47.12 | -2.23 |