| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 6.47 | 7.20 | -0.73 |
| Feb | 6.39 | 7.37 | -0.98 |
| Mar | 4.64 | 5.18 | -0.54 |
| Apr | 2.07 | 2.18 | -0.11 |
| May | 1.22 | 1.35 | -0.13 |
| Jun | 0.26 | 0.33 | -0.07 |
| Jul | 0.01 | 0.00 | 0.01 |
| Aug | 0.04 | 0.05 | -0.01 |
| Sep | 0.11 | 0.13 | -0.02 |
| Oct | 1.67 | 1.77 | -0.10 |
| Nov | 3.44 | 3.50 | -0.06 |
| Dec | 6.87 | 7.40 | -0.53 |
33.19 | 36.46 | -3.27 |