| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 2.44  | 2.49  | -0.05  | 
| Feb | 2.08  | 2.15  | -0.07  | 
| Mar | 2.34  | 2.40  | -0.06  | 
| Apr | 3.58  | 3.53  | 0.05  | 
| May | 4.17  | 4.19  | -0.02  | 
| Jun | 3.98  | 3.93  | 0.05  | 
| Jul | 3.79  | 3.75  | 0.04  | 
| Aug | 3.61  | 3.88  | -0.27  | 
| Sep | 3.25  | 3.10  | 0.15  | 
| Oct | 3.07  | 2.97  | 0.10  | 
| Nov | 3.03  | 2.94  | 0.09  | 
| Dec | 2.38  | 2.40  | -0.02  | 
37.72  | 37.73  | -0.01  |