| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 1.18  | 1.28  | -0.10  | 
| Feb | 1.19  | 1.43  | -0.24  | 
| Mar | 1.04  | 1.19  | -0.15  | 
| Apr | 0.45  | 0.47  | -0.02  | 
| May | 0.41  | 0.40  | 0.01  | 
| Jun | 0.23  | 0.26  | -0.03  | 
| Jul | 1.87  | 1.98  | -0.11  | 
| Aug | 2.29  | 2.35  | -0.06  | 
| Sep | 1.33  | 1.47  | -0.14  | 
| Oct | 0.76  | 0.87  | -0.11  | 
| Nov | 0.65  | 0.72  | -0.07  | 
| Dec | 1.10  | 1.14  | -0.04  | 
12.50  | 13.56  | -1.06  |