| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.10 | 0.82 | 0.28 |
| Feb | 1.04 | 0.82 | 0.22 |
| Mar | 1.04 | 0.84 | 0.20 |
| Apr | 1.65 | 1.17 | 0.48 |
| May | 1.69 | 1.53 | 0.16 |
| Jun | 1.17 | 1.10 | 0.07 |
| Jul | 1.42 | 1.38 | 0.04 |
| Aug | 1.58 | 1.49 | 0.09 |
| Sep | 1.54 | 1.39 | 0.15 |
| Oct | 1.26 | 1.13 | 0.13 |
| Nov | 0.98 | 0.76 | 0.22 |
| Dec | 1.08 | 0.82 | 0.26 |
15.55 | 13.25 | 2.30 |