| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.77 | 0.73 | 0.04 |
| Feb | 0.83 | 0.83 | 0.00 |
| Mar | 1.60 | 1.27 | 0.33 |
| Apr | 2.71 | 2.11 | 0.60 |
| May | 3.62 | 3.29 | 0.33 |
| Jun | 2.37 | 2.18 | 0.19 |
| Jul | 1.28 | 1.26 | 0.02 |
| Aug | 0.86 | 0.89 | -0.03 |
| Sep | 1.69 | 1.59 | 0.10 |
| Oct | 2.22 | 1.79 | 0.43 |
| Nov | 1.09 | 0.90 | 0.19 |
| Dec | 0.82 | 0.65 | 0.17 |
19.86 | 17.49 | 2.37 |