| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.97 | 3.07 | -0.10 |
| Feb | 2.31 | 2.35 | -0.04 |
| Mar | 3.37 | 3.38 | -0.01 |
| Apr | 3.79 | 3.84 | -0.05 |
| May | 3.79 | 4.00 | -0.21 |
| Jun | 4.12 | 4.30 | -0.18 |
| Jul | 4.14 | 4.17 | -0.03 |
| Aug | 3.80 | 3.93 | -0.13 |
| Sep | 4.48 | 4.49 | -0.01 |
| Oct | 3.87 | 3.97 | -0.10 |
| Nov | 2.94 | 3.06 | -0.12 |
| Dec | 3.21 | 3.33 | -0.12 |
42.79 | 43.89 | -1.10 |