| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 0.96  | 1.36  | -0.40  | 
| Feb | 1.17  | 1.14  | 0.03  | 
| Mar | 1.07  | 1.15  | -0.08  | 
| Apr | 0.38  | 0.46  | -0.08  | 
| May | 0.39  | 0.41  | -0.02  | 
| Jun | 0.15  | 0.17  | -0.02  | 
| Jul | 1.35  | 1.58  | -0.23  | 
| Aug | 2.31  | 2.19  | 0.12  | 
| Sep | 1.28  | 1.43  | -0.15  | 
| Oct | 0.91  | 0.99  | -0.08  | 
| Nov | 0.68  | 0.72  | -0.04  | 
| Dec | 1.18  | 1.25  | -0.07  | 
11.83  | 12.85  | -1.02  |