| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.23 | 0.34 | -0.11 |
| Feb | 0.38 | 0.43 | -0.05 |
| Mar | 0.67 | 0.69 | -0.02 |
| Apr | 1.33 | 1.45 | -0.12 |
| May | 2.40 | 2.55 | -0.15 |
| Jun | 1.59 | 1.50 | 0.09 |
| Jul | 1.12 | 1.24 | -0.12 |
| Aug | 0.73 | 0.81 | -0.08 |
| Sep | 0.97 | 1.04 | -0.07 |
| Oct | 1.05 | 1.17 | -0.12 |
| Nov | 0.45 | 0.41 | 0.04 |
| Dec | 0.31 | 0.36 | -0.05 |
11.23 | 11.99 | -0.76 |