| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.07 | 2.27 | -0.20 |
| Feb | 1.78 | 1.82 | -0.04 |
| Mar | 1.91 | 2.08 | -0.17 |
| Apr | 2.25 | 2.36 | -0.11 |
| May | 2.36 | 2.46 | -0.10 |
| Jun | 1.31 | 1.34 | -0.03 |
| Jul | 0.59 | 0.51 | 0.08 |
| Aug | 0.78 | 0.75 | 0.03 |
| Sep | 1.29 | 1.37 | -0.08 |
| Oct | 1.77 | 1.90 | -0.13 |
| Nov | 1.44 | 1.57 | -0.13 |
| Dec | 1.83 | 1.87 | -0.04 |
19.38 | 20.30 | -0.92 |