| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 9.37 | 9.76 | -0.39 |
| Feb | 8.90 | 8.51 | 0.39 |
| Mar | 6.70 | 6.79 | -0.09 |
| Apr | 3.27 | 3.40 | -0.13 |
| May | 1.73 | 1.71 | 0.02 |
| Jun | 0.32 | 0.47 | -0.15 |
| Jul | 0.01 | 0.07 | -0.06 |
| Aug | 0.04 | 0.08 | -0.04 |
| Sep | 0.18 | 0.17 | 0.01 |
| Oct | 2.13 | 2.43 | -0.30 |
| Nov | 4.77 | 5.09 | -0.32 |
| Dec | 9.96 | 10.04 | -0.08 |
47.38 | 48.52 | -1.14 |