| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.54 | 0.35 | 0.19 |
| Feb | 0.55 | 0.42 | 0.13 |
| Mar | 1.16 | 0.97 | 0.19 |
| Apr | 1.92 | 1.62 | 0.30 |
| May | 2.33 | 2.21 | 0.12 |
| Jun | 1.99 | 2.04 | -0.05 |
| Jul | 3.26 | 2.89 | 0.37 |
| Aug | 2.75 | 3.24 | -0.49 |
| Sep | 1.41 | 1.57 | -0.16 |
| Oct | 0.94 | 0.77 | 0.17 |
| Nov | 0.63 | 0.55 | 0.08 |
| Dec | 0.47 | 0.39 | 0.08 |
17.95 | 17.02 | 0.93 |