| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.39 | 2.37 | 0.02 |
| Feb | 2.04 | 2.14 | -0.10 |
| Mar | 2.49 | 2.55 | -0.06 |
| Apr | 3.55 | 3.56 | -0.01 |
| May | 4.33 | 4.40 | -0.07 |
| Jun | 4.05 | 4.05 | 0.00 |
| Jul | 3.86 | 3.88 | -0.02 |
| Aug | 3.58 | 3.50 | 0.08 |
| Sep | 2.97 | 3.02 | -0.05 |
| Oct | 2.73 | 2.71 | 0.02 |
| Nov | 2.87 | 2.81 | 0.06 |
| Dec | 2.31 | 2.32 | -0.01 |
37.17 | 37.31 | -0.14 |