| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 1.66  | 1.60  | 0.06  | 
| Feb | 1.60  | 1.58  | 0.02  | 
| Mar | 1.42  | 1.45  | -0.03  | 
| Apr | 0.44  | 0.45  | -0.01  | 
| May | 0.27  | 0.31  | -0.04  | 
| Jun | 0.10  | 0.09  | 0.01  | 
| Jul | 1.32  | 1.15  | 0.17  | 
| Aug | 1.68  | 1.53  | 0.15  | 
| Sep | 1.13  | 1.03  | 0.10  | 
| Oct | 0.69  | 0.67  | 0.02  | 
| Nov | 0.90  | 0.93  | -0.03  | 
| Dec | 1.51  | 1.45  | 0.06  | 
12.72  | 12.24  | 0.48  |