| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 3.83  | 3.65  | 0.18  | 
| Feb | 3.44  | 3.28  | 0.16  | 
| Mar | 4.39  | 4.11  | 0.28  | 
| Apr | 4.41  | 4.07  | 0.34  | 
| May | 4.08  | 4.15  | -0.07  | 
| Jun | 4.76  | 4.78  | -0.02  | 
| Jul | 4.47  | 4.40  | 0.07  | 
| Aug | 4.60  | 4.42  | 0.18  | 
| Sep | 4.86  | 4.94  | -0.08  | 
| Oct | 5.41  | 5.29  | 0.12  | 
| Nov | 4.15  | 3.94  | 0.21  | 
| Dec | 4.80  | 4.71  | 0.09  | 
53.20  | 51.74  | 1.46  |