| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.56 | 3.84 | -0.28 |
| Feb | 3.40 | 3.71 | -0.31 |
| Mar | 3.59 | 3.72 | -0.13 |
| Apr | 3.35 | 3.48 | -0.13 |
| May | 3.70 | 3.81 | -0.11 |
| Jun | 5.29 | 5.26 | 0.03 |
| Jul | 5.27 | 5.57 | -0.30 |
| Aug | 5.46 | 5.61 | -0.15 |
| Sep | 4.88 | 4.92 | -0.04 |
| Oct | 3.89 | 3.87 | 0.02 |
| Nov | 2.92 | 2.87 | 0.05 |
| Dec | 3.65 | 3.59 | 0.06 |
48.96 | 50.25 | -1.29 |