| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 1.81  | 2.01  | -0.20  | 
| Feb | 1.85  | 2.08  | -0.23  | 
| Mar | 1.32  | 1.46  | -0.14  | 
| Apr | 0.62  | 0.66  | -0.04  | 
| May | 0.33  | 0.46  | -0.13  | 
| Jun | 0.33  | 0.35  | -0.02  | 
| Jul | 2.95  | 2.67  | 0.28  | 
| Aug | 2.98  | 3.36  | -0.38  | 
| Sep | 1.89  | 1.99  | -0.10  | 
| Oct | 0.96  | 1.05  | -0.09  | 
| Nov | 1.14  | 1.16  | -0.02  | 
| Dec | 1.93  | 1.93  | 0.00  | 
18.11  | 19.18  | -1.07  |