| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.27 | 0.26 | 0.01 |
| Feb | 0.38 | 0.41 | -0.03 |
| Mar | 0.73 | 0.72 | 0.01 |
| Apr | 1.47 | 1.50 | -0.03 |
| May | 2.07 | 2.05 | 0.02 |
| Jun | 2.06 | 2.03 | 0.03 |
| Jul | 3.05 | 2.89 | 0.16 |
| Aug | 2.55 | 2.45 | 0.10 |
| Sep | 0.89 | 0.87 | 0.02 |
| Oct | 1.09 | 1.12 | -0.03 |
| Nov | 0.41 | 0.39 | 0.02 |
| Dec | 0.33 | 0.36 | -0.03 |
15.30 | 15.05 | 0.25 |