| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.44 | 0.46 | -0.02 |
| Feb | 0.36 | 0.37 | -0.01 |
| Mar | 0.45 | 0.47 | -0.02 |
| Apr | 1.16 | 1.26 | -0.10 |
| May | 1.88 | 1.89 | -0.01 |
| Jun | 2.57 | 2.69 | -0.12 |
| Jul | 1.17 | 1.19 | -0.02 |
| Aug | 1.10 | 1.13 | -0.03 |
| Sep | 1.02 | 1.10 | -0.08 |
| Oct | 0.83 | 0.92 | -0.09 |
| Nov | 0.53 | 0.55 | -0.02 |
| Dec | 0.38 | 0.39 | -0.01 |
11.89 | 12.42 | -0.53 |