| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 3.42  | 3.60  | -0.18  | 
| Feb | 3.42  | 3.49  | -0.07  | 
| Mar | 4.46  | 4.53  | -0.07  | 
| Apr | 4.70  | 4.69  | 0.01  | 
| May | 5.28  | 5.16  | 0.12  | 
| Jun | 4.82  | 4.81  | 0.01  | 
| Jul | 4.98  | 5.07  | -0.09  | 
| Aug | 3.53  | 3.42  | 0.11  | 
| Sep | 3.47  | 3.70  | -0.23  | 
| Oct | 3.72  | 3.59  | 0.13  | 
| Nov | 3.28  | 3.40  | -0.12  | 
| Dec | 4.00  | 4.14  | -0.14  | 
49.08  | 49.60  | -0.52  |