| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.62 | 1.65 | -0.03 |
| Feb | 1.55 | 1.59 | -0.04 |
| Mar | 2.00 | 1.93 | 0.07 |
| Apr | 3.66 | 3.68 | -0.02 |
| May | 3.66 | 3.70 | -0.04 |
| Jun | 4.29 | 4.51 | -0.22 |
| Jul | 3.39 | 3.42 | -0.03 |
| Aug | 3.68 | 3.61 | 0.07 |
| Sep | 3.23 | 3.06 | 0.17 |
| Oct | 2.83 | 2.81 | 0.02 |
| Nov | 2.12 | 2.08 | 0.04 |
| Dec | 1.86 | 1.92 | -0.06 |
33.89 | 33.96 | -0.07 |