| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.36 | 0.34 | 0.02 |
| Feb | 0.49 | 0.50 | -0.01 |
| Mar | 0.87 | 0.89 | -0.02 |
| Apr | 2.04 | 1.98 | 0.06 |
| May | 3.06 | 3.02 | 0.04 |
| Jun | 2.95 | 3.04 | -0.09 |
| Jul | 2.50 | 2.38 | 0.12 |
| Aug | 1.81 | 1.45 | 0.36 |
| Sep | 1.51 | 1.40 | 0.11 |
| Oct | 1.22 | 1.28 | -0.06 |
| Nov | 0.47 | 0.49 | -0.02 |
| Dec | 0.42 | 0.44 | -0.02 |
17.70 | 17.21 | 0.49 |