| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 1.37  | 1.39  | -0.02  | 
| Feb | 1.41  | 1.10  | 0.31  | 
| Mar | 1.61  | 1.44  | 0.17  | 
| Apr | 2.19  | 1.85  | 0.34  | 
| May | 2.70  | 2.69  | 0.01  | 
| Jun | 2.68  | 2.96  | -0.28  | 
| Jul | 1.13  | 1.39  | -0.26  | 
| Aug | 1.01  | 1.15  | -0.14  | 
| Sep | 1.35  | 1.37  | -0.02  | 
| Oct | 1.63  | 1.20  | 0.43  | 
| Nov | 1.53  | 1.46  | 0.07  | 
| Dec | 1.69  | 1.28  | 0.41  | 
20.30  | 19.28  | 1.02  |