| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.48 | 2.49 | -0.01 |
| Feb | 2.08 | 2.04 | 0.04 |
| Mar | 2.87 | 2.81 | 0.06 |
| Apr | 2.97 | 2.92 | 0.05 |
| May | 4.23 | 4.35 | -0.12 |
| Jun | 3.37 | 3.46 | -0.09 |
| Jul | 2.09 | 2.16 | -0.07 |
| Aug | 2.76 | 2.84 | -0.08 |
| Sep | 3.40 | 3.31 | 0.09 |
| Oct | 4.12 | 4.24 | -0.12 |
| Nov | 2.79 | 2.92 | -0.13 |
| Dec | 2.76 | 2.63 | 0.13 |
35.92 | 36.17 | -0.25 |