| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 3.45  | 3.60  | -0.15  | 
| Feb | 2.83  | 2.82  | 0.01  | 
| Mar | 4.17  | 4.37  | -0.20  | 
| Apr | 3.59  | 3.53  | 0.06  | 
| May | 3.59  | 3.66  | -0.07  | 
| Jun | 4.21  | 4.15  | 0.06  | 
| Jul | 4.92  | 4.88  | 0.04  | 
| Aug | 4.53  | 4.87  | -0.34  | 
| Sep | 3.93  | 3.98  | -0.05  | 
| Oct | 4.01  | 4.03  | -0.02  | 
| Nov | 3.25  | 3.25  | 0.00  | 
| Dec | 4.21  | 4.35  | -0.14  | 
46.69  | 47.49  | -0.80  |