| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 6.35 | 7.18 | -0.83 |
| Feb | 5.80 | 6.44 | -0.64 |
| Mar | 5.70 | 6.02 | -0.32 |
| Apr | 3.09 | 3.41 | -0.32 |
| May | 1.47 | 1.88 | -0.41 |
| Jun | 0.37 | 0.48 | -0.11 |
| Jul | 0.02 | 0.06 | -0.04 |
| Aug | 0.03 | 0.06 | -0.03 |
| Sep | 0.23 | 0.16 | 0.07 |
| Oct | 1.76 | 1.82 | -0.06 |
| Nov | 3.56 | 3.60 | -0.04 |
| Dec | 6.10 | 6.87 | -0.77 |
34.48 | 37.98 | -3.50 |