| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.54 | 0.54 | 0.00 |
| Feb | 0.45 | 0.49 | -0.04 |
| Mar | 1.30 | 1.31 | -0.01 |
| Apr | 1.76 | 1.76 | 0.00 |
| May | 2.50 | 2.46 | 0.04 |
| Jun | 3.30 | 3.17 | 0.13 |
| Jul | 2.78 | 2.76 | 0.02 |
| Aug | 2.90 | 2.85 | 0.05 |
| Sep | 1.37 | 1.41 | -0.04 |
| Oct | 1.83 | 1.91 | -0.08 |
| Nov | 0.69 | 0.70 | -0.01 |
| Dec | 0.89 | 0.88 | 0.01 |
20.31 | 20.24 | 0.07 |