| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.38 | 0.40 | -0.02 |
| Feb | 0.53 | 0.44 | 0.09 |
| Mar | 0.84 | 0.87 | -0.03 |
| Apr | 1.77 | 1.82 | -0.05 |
| May | 2.75 | 2.78 | -0.03 |
| Jun | 2.61 | 2.37 | 0.24 |
| Jul | 3.21 | 3.23 | -0.02 |
| Aug | 2.42 | 2.73 | -0.31 |
| Sep | 1.26 | 1.18 | 0.08 |
| Oct | 1.25 | 1.27 | -0.02 |
| Nov | 0.53 | 0.50 | 0.03 |
| Dec | 0.40 | 0.41 | -0.01 |
17.95 | 18.00 | -0.05 |