| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.33 | 0.35 | -0.02 |
| Feb | 0.45 | 0.51 | -0.06 |
| Mar | 0.86 | 0.95 | -0.09 |
| Apr | 1.89 | 1.92 | -0.03 |
| May | 2.94 | 2.99 | -0.05 |
| Jun | 2.98 | 3.13 | -0.15 |
| Jul | 3.02 | 2.95 | 0.07 |
| Aug | 2.35 | 2.43 | -0.08 |
| Sep | 1.28 | 1.30 | -0.02 |
| Oct | 1.36 | 1.46 | -0.10 |
| Nov | 0.49 | 0.53 | -0.04 |
| Dec | 0.38 | 0.38 | 0.00 |
18.33 | 18.90 | -0.57 |