| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.92 | 0.90 | 0.02 |
| Feb | 0.96 | 0.90 | 0.06 |
| Mar | 1.49 | 1.49 | 0.00 |
| Apr | 2.70 | 2.72 | -0.02 |
| May | 3.60 | 3.54 | 0.06 |
| Jun | 4.33 | 4.50 | -0.17 |
| Jul | 4.34 | 4.52 | -0.18 |
| Aug | 3.91 | 3.84 | 0.07 |
| Sep | 3.39 | 3.34 | 0.05 |
| Oct | 3.21 | 3.10 | 0.11 |
| Nov | 1.78 | 1.83 | -0.05 |
| Dec | 1.32 | 1.40 | -0.08 |
31.95 | 32.08 | -0.13 |