| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.39 | 0.41 | -0.02 |
| Feb | 0.31 | 0.33 | -0.02 |
| Mar | 0.42 | 0.43 | -0.01 |
| Apr | 1.01 | 1.00 | 0.01 |
| May | 1.67 | 1.65 | 0.02 |
| Jun | 2.52 | 2.64 | -0.12 |
| Jul | 1.04 | 1.15 | -0.11 |
| Aug | 1.03 | 1.04 | -0.01 |
| Sep | 0.96 | 0.99 | -0.03 |
| Oct | 0.72 | 0.69 | 0.03 |
| Nov | 0.48 | 0.52 | -0.04 |
| Dec | 0.37 | 0.39 | -0.02 |
10.92 | 11.24 | -0.32 |