| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.63 | 0.70 | -0.07 |
| Feb | 0.83 | 0.87 | -0.04 |
| Mar | 1.77 | 1.85 | -0.08 |
| Apr | 2.52 | 2.63 | -0.11 |
| May | 2.45 | 2.61 | -0.16 |
| Jun | 1.88 | 1.93 | -0.05 |
| Jul | 2.30 | 2.50 | -0.20 |
| Aug | 2.23 | 2.50 | -0.27 |
| Sep | 1.68 | 1.70 | -0.02 |
| Oct | 1.23 | 1.33 | -0.10 |
| Nov | 0.82 | 0.91 | -0.09 |
| Dec | 0.65 | 0.75 | -0.10 |
18.99 | 20.28 | -1.29 |