| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.29 | 0.24 | 0.05 |
| Feb | 0.41 | 0.40 | 0.01 |
| Mar | 0.82 | 0.83 | -0.01 |
| Apr | 1.75 | 1.68 | 0.07 |
| May | 2.50 | 2.67 | -0.17 |
| Jun | 2.04 | 2.02 | 0.02 |
| Jul | 1.47 | 1.60 | -0.13 |
| Aug | 1.14 | 1.17 | -0.03 |
| Sep | 1.11 | 1.14 | -0.03 |
| Oct | 1.06 | 1.14 | -0.08 |
| Nov | 0.42 | 0.40 | 0.02 |
| Dec | 0.36 | 0.28 | 0.08 |
13.37 | 13.57 | -0.20 |