| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.42 | 0.40 | 0.02 |
| Feb | 0.57 | 0.55 | 0.02 |
| Mar | 0.95 | 0.99 | -0.04 |
| Apr | 1.93 | 1.94 | -0.01 |
| May | 3.59 | 3.59 | 0.00 |
| Jun | 3.07 | 3.13 | -0.06 |
| Jul | 2.46 | 2.42 | 0.04 |
| Aug | 1.53 | 1.67 | -0.14 |
| Sep | 1.23 | 1.24 | -0.01 |
| Oct | 1.53 | 1.56 | -0.03 |
| Nov | 0.56 | 0.61 | -0.05 |
| Dec | 0.54 | 0.57 | -0.03 |
18.38 | 18.67 | -0.29 |