| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 0.52  | 0.51  | 0.01  | 
| Feb | 0.57  | 0.60  | -0.03  | 
| Mar | 0.88  | 0.89  | -0.01  | 
| Apr | 1.85  | 1.84  | 0.01  | 
| May | 3.08  | 3.31  | -0.23  | 
| Jun | 3.59  | 3.63  | -0.04  | 
| Jul | 3.19  | 3.26  | -0.07  | 
| Aug | 2.28  | 2.35  | -0.07  | 
| Sep | 2.09  | 2.12  | -0.03  | 
| Oct | 1.91  | 1.92  | -0.01  | 
| Nov | 0.69  | 0.69  | 0.00  | 
| Dec | 0.58  | 0.60  | -0.02  | 
21.23  | 21.72  | -0.49  |