| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.77 | 3.86 | -0.09 |
| Feb | 3.53 | 3.58 | -0.05 |
| Mar | 3.87 | 4.09 | -0.22 |
| Apr | 3.01 | 2.95 | 0.06 |
| May | 3.24 | 3.32 | -0.08 |
| Jun | 4.52 | 4.60 | -0.08 |
| Jul | 4.39 | 4.32 | 0.07 |
| Aug | 4.49 | 4.84 | -0.35 |
| Sep | 3.97 | 4.15 | -0.18 |
| Oct | 3.26 | 3.45 | -0.19 |
| Nov | 3.02 | 3.23 | -0.21 |
| Dec | 3.90 | 4.00 | -0.10 |
44.97 | 46.39 | -1.42 |