| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.58 | 0.63 | -0.05 |
| Feb | 0.72 | 0.85 | -0.13 |
| Mar | 1.52 | 1.63 | -0.11 |
| Apr | 2.34 | 2.88 | -0.54 |
| May | 2.48 | 2.67 | -0.19 |
| Jun | 1.76 | 2.01 | -0.25 |
| Jul | 1.85 | 1.81 | 0.04 |
| Aug | 1.83 | 1.87 | -0.04 |
| Sep | 1.39 | 1.56 | -0.17 |
| Oct | 1.19 | 1.26 | -0.07 |
| Nov | 0.84 | 0.94 | -0.10 |
| Dec | 0.58 | 0.76 | -0.18 |
17.08 | 18.87 | -1.79 |