| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.61 | 2.52 | 0.09 |
| Feb | 2.01 | 2.08 | -0.07 |
| Mar | 2.59 | 2.66 | -0.07 |
| Apr | 3.88 | 3.81 | 0.07 |
| May | 4.44 | 4.46 | -0.02 |
| Jun | 4.56 | 4.43 | 0.13 |
| Jul | 4.31 | 4.11 | 0.20 |
| Aug | 3.82 | 3.79 | 0.03 |
| Sep | 3.11 | 3.06 | 0.05 |
| Oct | 2.96 | 2.89 | 0.07 |
| Nov | 3.12 | 3.02 | 0.10 |
| Dec | 2.41 | 2.38 | 0.03 |
39.82 | 39.21 | 0.61 |