| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.27 | 0.32 | -0.05 |
| Feb | 0.27 | 0.29 | -0.02 |
| Mar | 0.67 | 0.74 | -0.07 |
| Apr | 1.21 | 1.25 | -0.04 |
| May | 1.66 | 1.69 | -0.03 |
| Jun | 1.76 | 1.79 | -0.03 |
| Jul | 2.52 | 2.45 | 0.07 |
| Aug | 2.15 | 2.05 | 0.10 |
| Sep | 0.90 | 0.92 | -0.02 |
| Oct | 0.99 | 1.01 | -0.02 |
| Nov | 0.38 | 0.39 | -0.01 |
| Dec | 0.27 | 0.34 | -0.07 |
13.05 | 13.24 | -0.19 |