| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.61 | 4.67 | -0.06 |
| Feb | 3.98 | 4.15 | -0.17 |
| Mar | 4.79 | 4.81 | -0.02 |
| Apr | 3.81 | 3.79 | 0.02 |
| May | 3.01 | 3.09 | -0.08 |
| Jun | 6.42 | 7.06 | -0.64 |
| Jul | 6.72 | 7.04 | -0.32 |
| Aug | 6.49 | 7.51 | -1.02 |
| Sep | 5.08 | 5.39 | -0.31 |
| Oct | 3.29 | 3.27 | 0.02 |
| Nov | 2.96 | 3.13 | -0.17 |
| Dec | 3.89 | 4.07 | -0.18 |
55.05 | 57.98 | -2.93 |