| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.21 | 3.39 | -0.18 |
| Feb | 2.81 | 3.00 | -0.19 |
| Mar | 3.55 | 3.66 | -0.11 |
| Apr | 4.01 | 4.11 | -0.10 |
| May | 3.49 | 3.54 | -0.05 |
| Jun | 4.42 | 4.57 | -0.15 |
| Jul | 3.49 | 3.71 | -0.22 |
| Aug | 3.54 | 3.62 | -0.08 |
| Sep | 3.75 | 3.68 | 0.07 |
| Oct | 5.06 | 5.28 | -0.22 |
| Nov | 4.19 | 4.23 | -0.04 |
| Dec | 4.03 | 4.26 | -0.23 |
45.55 | 47.05 | -1.50 |