| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 4.27  | 4.32  | -0.05  | 
| Feb | 3.49  | 3.66  | -0.17  | 
| Mar | 4.33  | 4.23  | 0.10  | 
| Apr | 4.53  | 4.62  | -0.09  | 
| May | 4.47  | 4.48  | -0.01  | 
| Jun | 4.49  | 4.77  | -0.28  | 
| Jul | 4.70  | 4.73  | -0.03  | 
| Aug | 5.07  | 4.70  | 0.37  | 
| Sep | 4.70  | 4.63  | 0.07  | 
| Oct | 3.93  | 3.87  | 0.06  | 
| Nov | 3.85  | 3.76  | 0.09  | 
| Dec | 4.42  | 4.61  | -0.19  | 
52.25  | 52.38  | -0.13  |