| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.59 | 0.55 | 0.04 |
| Feb | 0.48 | 0.40 | 0.08 |
| Mar | 1.20 | 1.13 | 0.07 |
| Apr | 1.24 | 1.22 | 0.02 |
| May | 2.19 | 2.19 | 0.00 |
| Jun | 2.87 | 2.66 | 0.21 |
| Jul | 2.55 | 2.56 | -0.01 |
| Aug | 2.84 | 2.84 | 0.00 |
| Sep | 1.68 | 1.56 | 0.12 |
| Oct | 1.82 | 1.91 | -0.09 |
| Nov | 0.68 | 0.69 | -0.01 |
| Dec | 0.69 | 0.72 | -0.03 |
18.83 | 18.43 | 0.40 |