| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.30 | 3.55 | -0.25 |
| Feb | 2.95 | 3.06 | -0.11 |
| Mar | 3.96 | 4.12 | -0.16 |
| Apr | 4.52 | 4.76 | -0.24 |
| May | 4.87 | 4.96 | -0.09 |
| Jun | 4.79 | 4.70 | 0.09 |
| Jul | 4.26 | 4.24 | 0.02 |
| Aug | 3.49 | 3.36 | 0.13 |
| Sep | 3.21 | 3.27 | -0.06 |
| Oct | 3.25 | 3.30 | -0.05 |
| Nov | 3.17 | 3.24 | -0.07 |
| Dec | 3.57 | 3.81 | -0.24 |
45.34 | 46.37 | -1.03 |