| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.51 | 1.53 | -0.02 |
| Feb | 1.73 | 1.79 | -0.06 |
| Mar | 2.48 | 2.51 | -0.03 |
| Apr | 3.72 | 3.82 | -0.10 |
| May | 5.05 | 4.93 | 0.12 |
| Jun | 4.88 | 4.68 | 0.20 |
| Jul | 3.97 | 4.02 | -0.05 |
| Aug | 3.75 | 3.68 | 0.07 |
| Sep | 3.63 | 3.63 | 0.00 |
| Oct | 2.96 | 2.93 | 0.03 |
| Nov | 2.38 | 2.46 | -0.08 |
| Dec | 1.83 | 1.88 | -0.05 |
37.89 | 37.86 | 0.03 |