| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.61 | 0.61 | 0.00 |
| Feb | 0.77 | 0.79 | -0.02 |
| Mar | 1.52 | 1.59 | -0.07 |
| Apr | 2.93 | 3.08 | -0.15 |
| May | 3.93 | 4.12 | -0.19 |
| Jun | 4.46 | 4.52 | -0.06 |
| Jul | 3.26 | 3.38 | -0.12 |
| Aug | 3.40 | 3.46 | -0.06 |
| Sep | 2.89 | 2.96 | -0.07 |
| Oct | 2.31 | 2.39 | -0.08 |
| Nov | 1.24 | 1.28 | -0.04 |
| Dec | 0.90 | 0.92 | -0.02 |
28.22 | 29.10 | -0.88 |