| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 0.39  | 0.38  | 0.01  | 
| Feb | 0.26  | 0.31  | -0.05  | 
| Mar | 0.72  | 0.82  | -0.10  | 
| Apr | 0.96  | 0.94  | 0.02  | 
| May | 1.75  | 1.83  | -0.08  | 
| Jun | 1.99  | 2.09  | -0.10  | 
| Jul | 2.93  | 2.69  | 0.24  | 
| Aug | 2.94  | 3.05  | -0.11  | 
| Sep | 1.81  | 1.79  | 0.02  | 
| Oct | 1.40  | 1.59  | -0.19  | 
| Nov | 0.53  | 0.57  | -0.04  | 
| Dec | 0.51  | 0.48  | 0.03  | 
16.19  | 16.54  | -0.35  |