| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 1.42  | 1.46  | -0.04  | 
| Feb | 1.42  | 1.35  | 0.07  | 
| Mar | 1.02  | 1.01  | 0.01  | 
| Apr | 0.41  | 0.40  | 0.01  | 
| May | 0.30  | 0.27  | 0.03  | 
| Jun | 0.25  | 0.37  | -0.12  | 
| Jul | 2.18  | 2.66  | -0.48  | 
| Aug | 2.52  | 3.03  | -0.51  | 
| Sep | 1.52  | 1.44  | 0.08  | 
| Oct | 0.74  | 1.02  | -0.28  | 
| Nov | 0.86  | 0.89  | -0.03  | 
| Dec | 1.49  | 1.58  | -0.09  | 
14.13  | 15.48  | -1.35  |