| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.59 | 0.70 | -0.11 |
| Feb | 0.52 | 0.52 | 0.00 |
| Mar | 1.35 | 1.41 | -0.06 |
| Apr | 1.89 | 1.87 | 0.02 |
| May | 2.88 | 2.78 | 0.10 |
| Jun | 3.42 | 3.38 | 0.04 |
| Jul | 3.07 | 3.05 | 0.02 |
| Aug | 2.74 | 2.74 | 0.00 |
| Sep | 1.53 | 1.45 | 0.08 |
| Oct | 1.87 | 2.05 | -0.18 |
| Nov | 0.70 | 0.68 | 0.02 |
| Dec | 0.92 | 0.89 | 0.03 |
21.48 | 21.52 | -0.04 |