| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.89 | 6.19 | -0.30 |
| Feb | 4.38 | 4.52 | -0.14 |
| Mar | 4.35 | 4.54 | -0.19 |
| Apr | 3.19 | 3.49 | -0.30 |
| May | 2.29 | 2.32 | -0.03 |
| Jun | 1.48 | 1.55 | -0.07 |
| Jul | 0.40 | 0.39 | 0.01 |
| Aug | 0.53 | 0.48 | 0.05 |
| Sep | 1.46 | 1.50 | -0.04 |
| Oct | 3.65 | 3.83 | -0.18 |
| Nov | 6.13 | 6.53 | -0.40 |
| Dec | 6.97 | 7.41 | -0.44 |
40.72 | 42.75 | -2.03 |