| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.47 | 3.57 | -0.10 |
| Feb | 3.35 | 3.44 | -0.09 |
| Mar | 4.30 | 4.37 | -0.07 |
| Apr | 4.15 | 4.27 | -0.12 |
| May | 4.98 | 5.15 | -0.17 |
| Jun | 4.55 | 4.73 | -0.18 |
| Jul | 5.54 | 5.73 | -0.19 |
| Aug | 3.99 | 4.01 | -0.02 |
| Sep | 3.36 | 3.41 | -0.05 |
| Oct | 3.18 | 3.12 | 0.06 |
| Nov | 3.05 | 3.07 | -0.02 |
| Dec | 4.04 | 4.07 | -0.03 |
47.96 | 48.94 | -0.98 |