| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 3.53  | 3.03  | 0.50  | 
| Feb | 2.46  | 2.12  | 0.34  | 
| Mar | 2.15  | 1.65  | 0.50  | 
| Apr | 1.34  | 1.25  | 0.09  | 
| May | 1.24  | 1.23  | 0.01  | 
| Jun | 0.69  | 0.65  | 0.04  | 
| Jul | 0.44  | 0.42  | 0.02  | 
| Aug | 0.30  | 0.32  | -0.02  | 
| Sep | 0.35  | 0.33  | 0.02  | 
| Oct | 1.22  | 1.16  | 0.06  | 
| Nov | 2.38  | 2.08  | 0.30  | 
| Dec | 3.83  | 3.70  | 0.13  | 
19.93  | 17.94  | 1.99  |