| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 6.19 | 6.15 | 0.04 |
| Feb | 4.58 | 4.51 | 0.07 |
| Mar | 4.57 | 4.51 | 0.06 |
| Apr | 3.32 | 3.46 | -0.14 |
| May | 2.32 | 2.32 | 0.00 |
| Jun | 1.51 | 1.56 | -0.05 |
| Jul | 0.41 | 0.40 | 0.01 |
| Aug | 0.56 | 0.49 | 0.07 |
| Sep | 1.53 | 1.51 | 0.02 |
| Oct | 3.82 | 3.84 | -0.02 |
| Nov | 6.41 | 6.52 | -0.11 |
| Dec | 7.27 | 7.38 | -0.11 |
42.49 | 42.65 | -0.16 |