| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.47 | 0.40 | 0.07 |
| Feb | 0.55 | 0.46 | 0.09 |
| Mar | 1.08 | 1.05 | 0.03 |
| Apr | 1.98 | 1.82 | 0.16 |
| May | 2.56 | 2.46 | 0.10 |
| Jun | 2.05 | 1.97 | 0.08 |
| Jul | 2.41 | 2.37 | 0.04 |
| Aug | 2.04 | 2.32 | -0.28 |
| Sep | 1.28 | 1.16 | 0.12 |
| Oct | 1.03 | 1.01 | 0.02 |
| Nov | 0.70 | 0.63 | 0.07 |
| Dec | 0.48 | 0.42 | 0.06 |
16.63 | 16.07 | 0.56 |