| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 3.41  | 3.67  | -0.26  | 
| Feb | 2.95  | 3.04  | -0.09  | 
| Mar | 4.13  | 4.31  | -0.18  | 
| Apr | 3.85  | 4.01  | -0.16  | 
| May | 3.85  | 3.96  | -0.11  | 
| Jun | 4.22  | 4.55  | -0.33  | 
| Jul | 4.36  | 4.44  | -0.08  | 
| Aug | 4.22  | 4.37  | -0.15  | 
| Sep | 3.96  | 4.08  | -0.12  | 
| Oct | 4.07  | 4.10  | -0.03  | 
| Nov | 3.40  | 3.39  | 0.01  | 
| Dec | 4.21  | 4.41  | -0.20  | 
46.63  | 48.33  | -1.70  |