| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 3.57  | 3.75  | -0.18  | 
| Feb | 2.99  | 3.12  | -0.13  | 
| Mar | 4.32  | 4.25  | 0.07  | 
| Apr | 3.76  | 3.83  | -0.07  | 
| May | 3.91  | 3.74  | 0.17  | 
| Jun | 4.08  | 4.08  | 0.00  | 
| Jul | 4.22  | 4.15  | 0.07  | 
| Aug | 4.61  | 4.81  | -0.20  | 
| Sep | 3.90  | 3.84  | 0.06  | 
| Oct | 4.05  | 4.19  | -0.14  | 
| Nov | 3.33  | 3.39  | -0.06  | 
| Dec | 4.30  | 4.58  | -0.28  | 
47.04  | 47.73  | -0.69  |