| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 3.32  | 3.51  | -0.19  | 
| Feb | 3.07  | 3.17  | -0.10  | 
| Mar | 4.43  | 4.52  | -0.09  | 
| Apr | 5.03  | 5.15  | -0.12  | 
| May | 5.10  | 5.21  | -0.11  | 
| Jun | 4.47  | 4.31  | 0.16  | 
| Jul | 4.38  | 4.32  | 0.06  | 
| Aug | 3.14  | 3.13  | 0.01  | 
| Sep | 3.45  | 3.43  | 0.02  | 
| Oct | 3.38  | 3.43  | -0.05  | 
| Nov | 3.94  | 3.96  | -0.02  | 
| Dec | 3.76  | 3.95  | -0.19  | 
47.47  | 48.09  | -0.62  |