| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.49 | 0.49 | 0.00 |
| Feb | 0.61 | 0.66 | -0.05 |
| Mar | 1.19 | 1.25 | -0.06 |
| Apr | 2.08 | 1.99 | 0.09 |
| May | 3.54 | 3.58 | -0.04 |
| Jun | 2.84 | 2.90 | -0.06 |
| Jul | 3.55 | 3.74 | -0.19 |
| Aug | 3.04 | 3.17 | -0.13 |
| Sep | 1.80 | 2.02 | -0.22 |
| Oct | 1.65 | 1.75 | -0.10 |
| Nov | 0.78 | 0.80 | -0.02 |
| Dec | 0.65 | 0.72 | -0.07 |
22.22 | 23.07 | -0.85 |