| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 7.22 | 7.70 | -0.48 |
| Feb | 5.40 | 6.13 | -0.73 |
| Mar | 5.65 | 5.86 | -0.21 |
| Apr | 3.72 | 4.10 | -0.38 |
| May | 2.27 | 2.48 | -0.21 |
| Jun | 1.29 | 1.38 | -0.09 |
| Jul | 0.31 | 0.32 | -0.01 |
| Aug | 0.40 | 0.40 | 0.00 |
| Sep | 1.44 | 1.58 | -0.14 |
| Oct | 3.77 | 4.03 | -0.26 |
| Nov | 6.96 | 7.77 | -0.81 |
| Dec | 8.55 | 9.82 | -1.27 |
46.98 | 51.57 | -4.59 |