| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 3.21  | 3.55  | -0.34  | 
| Feb | 2.85  | 3.15  | -0.30  | 
| Mar | 3.86  | 4.06  | -0.20  | 
| Apr | 3.91  | 4.17  | -0.26  | 
| May | 3.49  | 3.46  | 0.03  | 
| Jun | 4.12  | 4.07  | 0.05  | 
| Jul | 3.96  | 4.03  | -0.07  | 
| Aug | 3.95  | 3.83  | 0.12  | 
| Sep | 4.06  | 4.09  | -0.03  | 
| Oct | 4.51  | 4.83  | -0.32  | 
| Nov | 3.57  | 3.86  | -0.29  | 
| Dec | 4.08  | 4.47  | -0.39  | 
45.57  | 47.57  | -2.00  |