| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.64 | 1.67 | -0.03 |
| Feb | 1.12 | 1.15 | -0.03 |
| Mar | 1.43 | 1.49 | -0.06 |
| Apr | 1.36 | 1.29 | 0.07 |
| May | 1.49 | 1.64 | -0.15 |
| Jun | 0.81 | 0.90 | -0.09 |
| Jul | 0.21 | 0.23 | -0.02 |
| Aug | 0.19 | 0.20 | -0.01 |
| Sep | 0.44 | 0.45 | -0.01 |
| Oct | 0.89 | 0.90 | -0.01 |
| Nov | 1.36 | 1.29 | 0.07 |
| Dec | 1.79 | 1.82 | -0.03 |
12.73 | 13.03 | -0.30 |