| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.38 | 0.41 | -0.03 |
| Feb | 0.45 | 0.45 | 0.00 |
| Mar | 0.68 | 0.69 | -0.01 |
| Apr | 1.31 | 1.31 | 0.00 |
| May | 2.56 | 2.65 | -0.09 |
| Jun | 3.32 | 3.36 | -0.04 |
| Jul | 2.53 | 2.95 | -0.42 |
| Aug | 1.97 | 2.10 | -0.13 |
| Sep | 1.68 | 1.91 | -0.23 |
| Oct | 1.32 | 1.38 | -0.06 |
| Nov | 0.61 | 0.62 | -0.01 |
| Dec | 0.55 | 0.53 | 0.02 |
17.36 | 18.36 | -1.00 |