| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.75 | 5.56 | -0.81 |
| Feb | 4.54 | 4.60 | -0.06 |
| Mar | 4.89 | 4.99 | -0.10 |
| Apr | 4.79 | 5.27 | -0.48 |
| May | 3.51 | 3.78 | -0.27 |
| Jun | 6.39 | 6.96 | -0.57 |
| Jul | 6.87 | 7.63 | -0.76 |
| Aug | 6.98 | 7.53 | -0.55 |
| Sep | 6.48 | 6.70 | -0.22 |
| Oct | 4.25 | 4.21 | 0.04 |
| Nov | 4.11 | 4.52 | -0.41 |
| Dec | 4.77 | 5.34 | -0.57 |
62.33 | 67.09 | -4.76 |