| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 0.84  | 0.74  | 0.10  | 
| Feb | 0.69  | 0.72  | -0.03  | 
| Mar | 0.55  | 0.53  | 0.02  | 
| Apr | 0.20  | 0.20  | 0.00  | 
| May | 0.18  | 0.19  | -0.01  | 
| Jun | 0.33  | 0.30  | 0.03  | 
| Jul | 3.07  | 2.84  | 0.23  | 
| Aug | 2.89  | 3.08  | -0.19  | 
| Sep | 1.71  | 1.78  | -0.07  | 
| Oct | 0.62  | 0.68  | -0.06  | 
| Nov | 0.53  | 0.51  | 0.02  | 
| Dec | 0.80  | 0.87  | -0.07  | 
12.41  | 12.44  | -0.03  |