| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 6.80 | 7.90 | -1.10 |
| Feb | 6.57 | 6.98 | -0.41 |
| Mar | 6.76 | 6.33 | 0.43 |
| Apr | 3.19 | 3.39 | -0.20 |
| May | 1.22 | 1.74 | -0.52 |
| Jun | 0.37 | 0.57 | -0.20 |
| Jul | 0.06 | 0.07 | -0.01 |
| Aug | 0.08 | 0.10 | -0.02 |
| Sep | 0.37 | 0.28 | 0.09 |
| Oct | 2.24 | 2.19 | 0.05 |
| Nov | 4.66 | 4.68 | -0.02 |
| Dec | 7.56 | 8.05 | -0.49 |
39.88 | 42.28 | -2.40 |