| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.22 | 2.65 | 0.57 |
| Feb | 2.30 | 1.90 | 0.40 |
| Mar | 2.11 | 1.62 | 0.49 |
| Apr | 1.29 | 1.10 | 0.19 |
| May | 1.13 | 1.01 | 0.12 |
| Jun | 0.75 | 0.63 | 0.12 |
| Jul | 0.28 | 0.30 | -0.02 |
| Aug | 0.28 | 0.22 | 0.06 |
| Sep | 0.54 | 0.42 | 0.12 |
| Oct | 1.65 | 1.42 | 0.23 |
| Nov | 2.97 | 2.42 | 0.55 |
| Dec | 3.96 | 3.00 | 0.96 |
20.48 | 16.69 | 3.79 |