| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.38 | 3.59 | -0.21 |
| Feb | 2.94 | 2.98 | -0.04 |
| Mar | 3.77 | 3.87 | -0.10 |
| Apr | 3.56 | 3.56 | 0.00 |
| May | 3.39 | 3.53 | -0.14 |
| Jun | 4.27 | 4.39 | -0.12 |
| Jul | 4.90 | 4.87 | 0.03 |
| Aug | 4.55 | 4.81 | -0.26 |
| Sep | 4.67 | 5.06 | -0.39 |
| Oct | 3.30 | 3.49 | -0.19 |
| Nov | 3.33 | 3.38 | -0.05 |
| Dec | 3.40 | 3.42 | -0.02 |
45.46 | 46.95 | -1.49 |