| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.58 | 0.68 | -0.10 |
| Feb | 0.72 | 0.89 | -0.17 |
| Mar | 1.52 | 1.66 | -0.14 |
| Apr | 2.34 | 2.92 | -0.58 |
| May | 2.48 | 2.67 | -0.19 |
| Jun | 1.76 | 2.11 | -0.35 |
| Jul | 1.85 | 1.83 | 0.02 |
| Aug | 1.83 | 1.92 | -0.09 |
| Sep | 1.39 | 1.66 | -0.27 |
| Oct | 1.19 | 1.42 | -0.23 |
| Nov | 0.84 | 1.04 | -0.20 |
| Dec | 0.58 | 0.82 | -0.24 |
17.08 | 19.62 | -2.54 |