| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 2.02  | 2.22  | -0.20  | 
| Feb | 1.84  | 2.00  | -0.16  | 
| Mar | 2.40  | 2.36  | 0.04  | 
| Apr | 3.85  | 3.93  | -0.08  | 
| May | 4.58  | 4.70  | -0.12  | 
| Jun | 4.37  | 4.43  | -0.06  | 
| Jul | 3.78  | 3.93  | -0.15  | 
| Aug | 4.13  | 4.04  | 0.09  | 
| Sep | 3.29  | 3.24  | 0.05  | 
| Oct | 3.54  | 3.48  | 0.06  | 
| Nov | 2.58  | 2.61  | -0.03  | 
| Dec | 2.15  | 2.27  | -0.12  | 
38.53  | 39.21  | -0.68  |