| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 2.26  | 2.27  | -0.01  | 
| Feb | 1.95  | 2.02  | -0.07  | 
| Mar | 2.40  | 2.43  | -0.03  | 
| Apr | 3.78  | 3.79  | -0.01  | 
| May | 4.38  | 4.55  | -0.17  | 
| Jun | 4.53  | 4.62  | -0.09  | 
| Jul | 4.39  | 4.45  | -0.06  | 
| Aug | 4.04  | 4.06  | -0.02  | 
| Sep | 3.44  | 3.36  | 0.08  | 
| Oct | 3.39  | 3.51  | -0.12  | 
| Nov | 2.70  | 2.77  | -0.07  | 
| Dec | 2.20  | 2.26  | -0.06  | 
39.46  | 40.09  | -0.63  |