| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.85 | 5.15 | -0.30 |
| Feb | 4.75 | 5.18 | -0.43 |
| Mar | 4.80 | 5.20 | -0.40 |
| Apr | 4.97 | 5.65 | -0.68 |
| May | 3.42 | 3.67 | -0.25 |
| Jun | 6.03 | 6.49 | -0.46 |
| Jul | 7.24 | 8.06 | -0.82 |
| Aug | 7.37 | 8.18 | -0.81 |
| Sep | 5.84 | 6.40 | -0.56 |
| Oct | 4.07 | 4.47 | -0.40 |
| Nov | 4.18 | 4.60 | -0.42 |
| Dec | 5.09 | 5.29 | -0.20 |
62.61 | 68.34 | -5.73 |