| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.99 | 2.12 | -0.13 |
| Feb | 1.79 | 1.84 | -0.05 |
| Mar | 1.54 | 1.75 | -0.21 |
| Apr | 1.30 | 1.36 | -0.06 |
| May | 1.30 | 1.28 | 0.02 |
| Jun | 0.77 | 0.85 | -0.08 |
| Jul | 2.11 | 2.61 | -0.50 |
| Aug | 2.70 | 2.87 | -0.17 |
| Sep | 2.35 | 2.53 | -0.18 |
| Oct | 1.91 | 1.95 | -0.04 |
| Nov | 1.69 | 1.78 | -0.09 |
| Dec | 1.82 | 1.92 | -0.10 |
21.27 | 22.86 | -1.59 |