| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.38 | 0.40 | -0.02 |
| Feb | 0.57 | 0.55 | 0.02 |
| Mar | 0.82 | 0.85 | -0.03 |
| Apr | 1.62 | 1.54 | 0.08 |
| May | 2.98 | 2.78 | 0.20 |
| Jun | 3.34 | 3.37 | -0.03 |
| Jul | 2.76 | 2.84 | -0.08 |
| Aug | 2.07 | 1.99 | 0.08 |
| Sep | 1.55 | 1.50 | 0.05 |
| Oct | 1.62 | 1.59 | 0.03 |
| Nov | 0.51 | 0.51 | 0.00 |
| Dec | 0.51 | 0.50 | 0.01 |
18.73 | 18.42 | 0.31 |