| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.49 | 0.39 | 0.10 |
| Feb | 0.48 | 0.42 | 0.06 |
| Mar | 1.02 | 0.93 | 0.09 |
| Apr | 1.76 | 1.57 | 0.19 |
| May | 2.25 | 2.12 | 0.13 |
| Jun | 1.89 | 1.99 | -0.10 |
| Jul | 3.22 | 2.84 | 0.38 |
| Aug | 2.69 | 3.20 | -0.51 |
| Sep | 1.36 | 1.46 | -0.10 |
| Oct | 0.87 | 0.77 | 0.10 |
| Nov | 0.56 | 0.47 | 0.09 |
| Dec | 0.40 | 0.35 | 0.05 |
16.99 | 16.51 | 0.48 |