| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 4.20  | 4.16  | 0.04  | 
| Feb | 3.83  | 3.89  | -0.06  | 
| Mar | 4.55  | 4.61  | -0.06  | 
| Apr | 3.94  | 4.06  | -0.12  | 
| May | 3.98  | 3.97  | 0.01  | 
| Jun | 4.34  | 4.02  | 0.32  | 
| Jul | 4.12  | 4.43  | -0.31  | 
| Aug | 4.55  | 4.83  | -0.28  | 
| Sep | 3.88  | 3.77  | 0.11  | 
| Oct | 3.37  | 3.64  | -0.27  | 
| Nov | 3.72  | 3.94  | -0.22  | 
| Dec | 4.43  | 4.91  | -0.48  | 
48.91  | 50.23  | -1.32  |