| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.10 | 3.26 | -0.16 |
| Feb | 2.80 | 2.84 | -0.04 |
| Mar | 4.04 | 4.25 | -0.21 |
| Apr | 3.57 | 3.65 | -0.08 |
| May | 4.10 | 4.12 | -0.02 |
| Jun | 4.08 | 4.09 | -0.01 |
| Jul | 4.49 | 4.54 | -0.05 |
| Aug | 4.37 | 4.16 | 0.21 |
| Sep | 4.51 | 4.59 | -0.08 |
| Oct | 4.09 | 4.37 | -0.28 |
| Nov | 3.36 | 3.36 | 0.00 |
| Dec | 3.68 | 4.07 | -0.39 |
46.19 | 47.30 | -1.11 |