| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.85 | 5.16 | -0.31 |
| Feb | 4.75 | 5.18 | -0.43 |
| Mar | 4.80 | 5.20 | -0.40 |
| Apr | 4.97 | 5.66 | -0.69 |
| May | 3.42 | 3.67 | -0.25 |
| Jun | 6.03 | 6.48 | -0.45 |
| Jul | 7.24 | 8.03 | -0.79 |
| Aug | 7.37 | 8.16 | -0.79 |
| Sep | 5.84 | 6.39 | -0.55 |
| Oct | 4.07 | 4.48 | -0.41 |
| Nov | 4.18 | 4.61 | -0.43 |
| Dec | 5.09 | 5.29 | -0.20 |
62.61 | 68.31 | -5.70 |