| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 0.56  | 0.60  | -0.04  | 
| Feb | 0.76  | 0.78  | -0.02  | 
| Mar | 1.41  | 1.42  | -0.01  | 
| Apr | 2.77  | 2.89  | -0.12  | 
| May | 3.67  | 3.70  | -0.03  | 
| Jun | 4.53  | 4.46  | 0.07  | 
| Jul | 3.42  | 3.41  | 0.01  | 
| Aug | 3.37  | 3.41  | -0.04  | 
| Sep | 2.96  | 3.00  | -0.04  | 
| Oct | 2.20  | 2.20  | 0.00  | 
| Nov | 1.13  | 1.19  | -0.06  | 
| Dec | 0.80  | 0.87  | -0.07  | 
27.58  | 27.93  | -0.35  |