| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.47 | 3.60 | -0.13 |
| Feb | 3.32 | 3.37 | -0.05 |
| Mar | 4.07 | 4.25 | -0.18 |
| Apr | 4.16 | 4.32 | -0.16 |
| May | 3.90 | 3.82 | 0.08 |
| Jun | 4.34 | 4.39 | -0.05 |
| Jul | 4.14 | 3.84 | 0.30 |
| Aug | 4.05 | 4.07 | -0.02 |
| Sep | 4.08 | 4.15 | -0.07 |
| Oct | 5.33 | 5.36 | -0.03 |
| Nov | 4.03 | 4.08 | -0.05 |
| Dec | 4.39 | 4.71 | -0.32 |
49.28 | 49.96 | -0.68 |