| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 0.94  | 1.01  | -0.07  | 
| Feb | 0.88  | 0.86  | 0.02  | 
| Mar | 0.66  | 0.54  | 0.12  | 
| Apr | 0.47  | 0.38  | 0.09  | 
| May | 0.38  | 0.65  | -0.27  | 
| Jun | 0.95  | 1.16  | -0.21  | 
| Jul | 3.20  | 3.92  | -0.72  | 
| Aug | 3.23  | 3.67  | -0.44  | 
| Sep | 2.15  | 2.26  | -0.11  | 
| Oct | 1.10  | 1.23  | -0.13  | 
| Nov | 0.82  | 1.37  | -0.55  | 
| Dec | 1.11  | 1.29  | -0.18  | 
15.89  | 18.34  | -2.45  |