| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.50 | 0.59 | -0.09 |
| Feb | 0.60 | 0.68 | -0.08 |
| Mar | 1.18 | 1.41 | -0.23 |
| Apr | 2.04 | 2.44 | -0.40 |
| May | 2.29 | 2.19 | 0.10 |
| Jun | 2.12 | 2.14 | -0.02 |
| Jul | 3.41 | 3.08 | 0.33 |
| Aug | 2.92 | 3.25 | -0.33 |
| Sep | 1.44 | 1.81 | -0.37 |
| Oct | 1.03 | 1.00 | 0.03 |
| Nov | 0.69 | 0.81 | -0.12 |
| Dec | 0.49 | 0.60 | -0.11 |
18.71 | 20.00 | -1.29 |