| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 1.15  | 1.02  | 0.13  | 
| Feb | 1.13  | 0.93  | 0.20  | 
| Mar | 0.74  | 0.77  | -0.03  | 
| Apr | 0.31  | 0.30  | 0.01  | 
| May | 0.23  | 0.20  | 0.03  | 
| Jun | 0.44  | 0.48  | -0.04  | 
| Jul | 3.89  | 3.58  | 0.31  | 
| Aug | 3.40  | 3.54  | -0.14  | 
| Sep | 1.97  | 1.77  | 0.20  | 
| Oct | 0.73  | 0.84  | -0.11  | 
| Nov | 0.71  | 0.66  | 0.05  | 
| Dec | 1.11  | 1.14  | -0.03  | 
15.81  | 15.23  | 0.58  |