| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.29 | 0.45 | -0.16 |
| Feb | 0.34 | 0.49 | -0.15 |
| Mar | 0.62 | 1.10 | -0.48 |
| Apr | 1.42 | 1.85 | -0.43 |
| May | 1.91 | 2.19 | -0.28 |
| Jun | 1.92 | 2.20 | -0.28 |
| Jul | 3.13 | 3.04 | 0.09 |
| Aug | 2.52 | 3.50 | -0.98 |
| Sep | 1.23 | 1.58 | -0.35 |
| Oct | 0.82 | 0.84 | -0.02 |
| Nov | 0.49 | 0.62 | -0.13 |
| Dec | 0.28 | 0.46 | -0.18 |
14.97 | 18.32 | -3.35 |