| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 6.19 | 6.27 | -0.08 |
| Feb | 4.58 | 4.52 | 0.06 |
| Mar | 4.57 | 4.56 | 0.01 |
| Apr | 3.32 | 3.42 | -0.10 |
| May | 2.32 | 2.32 | 0.00 |
| Jun | 1.51 | 1.54 | -0.03 |
| Jul | 0.41 | 0.39 | 0.02 |
| Aug | 0.56 | 0.48 | 0.08 |
| Sep | 1.53 | 1.50 | 0.03 |
| Oct | 3.82 | 3.83 | -0.01 |
| Nov | 6.41 | 6.58 | -0.17 |
| Dec | 7.27 | 7.48 | -0.21 |
42.49 | 42.89 | -0.40 |