| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 2.14  | 2.05  | 0.09  | 
| Feb | 2.50  | 2.32  | 0.18  | 
| Mar | 1.91  | 1.86  | 0.05  | 
| Apr | 0.70  | 0.72  | -0.02  | 
| May | 0.63  | 0.49  | 0.14  | 
| Jun | 0.34  | 0.31  | 0.03  | 
| Jul | 2.56  | 3.19  | -0.63  | 
| Aug | 3.37  | 3.02  | 0.35  | 
| Sep | 1.82  | 1.81  | 0.01  | 
| Oct | 1.16  | 1.19  | -0.03  | 
| Nov | 1.18  | 1.06  | 0.12  | 
| Dec | 2.02  | 1.82  | 0.20  | 
20.33  | 19.84  | 0.49  |