| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 11.30 | 11.81 | -0.51 |
| Feb | 7.78 | 7.87 | -0.09 |
| Mar | 8.44 | 8.77 | -0.33 |
| Apr | 6.25 | 6.30 | -0.05 |
| May | 3.67 | 3.52 | 0.15 |
| Jun | 2.54 | 2.58 | -0.04 |
| Jul | 0.90 | 0.92 | -0.02 |
| Aug | 1.22 | 1.23 | -0.01 |
| Sep | 2.82 | 2.73 | 0.09 |
| Oct | 6.91 | 7.05 | -0.14 |
| Nov | 11.57 | 12.01 | -0.44 |
| Dec | 11.81 | 12.12 | -0.31 |
75.21 | 76.91 | -1.70 |