| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 0.73  | 0.39  | 0.34  | 
| Feb | 0.64  | 0.35  | 0.29  | 
| Mar | 0.77  | 0.61  | 0.16  | 
| Apr | 1.45  | 1.39  | 0.06  | 
| May | 2.00  | 1.96  | 0.04  | 
| Jun | 3.44  | 3.80  | -0.36  | 
| Jul | 1.26  | 1.52  | -0.26  | 
| Aug | 1.27  | 1.49  | -0.22  | 
| Sep | 1.40  | 1.49  | -0.09  | 
| Oct | 1.07  | 1.02  | 0.05  | 
| Nov | 0.82  | 0.62  | 0.20  | 
| Dec | 0.65  | 0.40  | 0.25  | 
15.50  | 15.04  | 0.46  |