| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 6.79 | 7.08 | -0.29 |
| Feb | 5.26 | 5.56 | -0.30 |
| Mar | 5.15 | 5.40 | -0.25 |
| Apr | 3.71 | 3.77 | -0.06 |
| May | 2.25 | 2.32 | -0.07 |
| Jun | 1.19 | 1.22 | -0.03 |
| Jul | 0.30 | 0.34 | -0.04 |
| Aug | 0.33 | 0.33 | 0.00 |
| Sep | 1.25 | 1.33 | -0.08 |
| Oct | 3.41 | 3.32 | 0.09 |
| Nov | 6.50 | 6.77 | -0.27 |
| Dec | 8.38 | 8.93 | -0.55 |
44.52 | 46.37 | -1.85 |