| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.44 | 0.45 | -0.01 |
| Feb | 0.47 | 0.54 | -0.07 |
| Mar | 1.20 | 1.23 | -0.03 |
| Apr | 1.95 | 1.96 | -0.01 |
| May | 2.44 | 2.46 | -0.02 |
| Jun | 1.61 | 1.50 | 0.11 |
| Jul | 1.47 | 1.34 | 0.13 |
| Aug | 1.41 | 1.40 | 0.01 |
| Sep | 1.29 | 1.41 | -0.12 |
| Oct | 1.02 | 1.04 | -0.02 |
| Nov | 0.70 | 0.73 | -0.03 |
| Dec | 0.45 | 0.50 | -0.05 |
14.45 | 14.56 | -0.11 |