| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.22 | 0.20 | 0.02 |
| Feb | 0.25 | 0.27 | -0.02 |
| Mar | 0.68 | 0.67 | 0.01 |
| Apr | 1.21 | 1.27 | -0.06 |
| May | 1.88 | 1.91 | -0.03 |
| Jun | 1.71 | 1.73 | -0.02 |
| Jul | 2.80 | 2.70 | 0.10 |
| Aug | 2.73 | 2.36 | 0.37 |
| Sep | 0.91 | 0.96 | -0.05 |
| Oct | 0.90 | 0.91 | -0.01 |
| Nov | 0.38 | 0.31 | 0.07 |
| Dec | 0.21 | 0.22 | -0.01 |
13.88 | 13.51 | 0.37 |