| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 3.02  | 3.50  | -0.48  | 
| Feb | 2.39  | 2.78  | -0.39  | 
| Mar | 2.85  | 3.19  | -0.34  | 
| Apr | 3.39  | 3.59  | -0.20  | 
| May | 3.63  | 3.97  | -0.34  | 
| Jun | 4.07  | 4.41  | -0.34  | 
| Jul | 4.14  | 4.53  | -0.39  | 
| Aug | 3.98  | 4.30  | -0.32  | 
| Sep | 3.77  | 3.98  | -0.21  | 
| Oct | 4.23  | 4.44  | -0.21  | 
| Nov | 3.41  | 3.78  | -0.37  | 
| Dec | 3.19  | 3.69  | -0.50  | 
42.07  | 46.16  | -4.09  |