| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 6.79 | 7.10 | -0.31 |
| Feb | 5.26 | 5.76 | -0.50 |
| Mar | 5.15 | 5.59 | -0.44 |
| Apr | 3.71 | 3.93 | -0.22 |
| May | 2.25 | 2.41 | -0.16 |
| Jun | 1.19 | 1.25 | -0.06 |
| Jul | 0.30 | 0.34 | -0.04 |
| Aug | 0.33 | 0.35 | -0.02 |
| Sep | 1.25 | 1.40 | -0.15 |
| Oct | 3.41 | 3.44 | -0.03 |
| Nov | 6.50 | 6.98 | -0.48 |
| Dec | 8.38 | 9.26 | -0.88 |
44.52 | 47.81 | -3.29 |