| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 1.42  | 1.38  | 0.04  | 
| Feb | 1.40  | 1.27  | 0.13  | 
| Mar | 1.01  | 0.86  | 0.15  | 
| Apr | 0.40  | 0.34  | 0.06  | 
| May | 0.26  | 0.24  | 0.02  | 
| Jun | 0.22  | 0.30  | -0.08  | 
| Jul | 2.08  | 2.43  | -0.35  | 
| Aug | 2.45  | 2.87  | -0.42  | 
| Sep | 1.64  | 1.29  | 0.35  | 
| Oct | 0.71  | 0.88  | -0.17  | 
| Nov | 0.87  | 0.80  | 0.07  | 
| Dec | 1.57  | 1.44  | 0.13  | 
14.03  | 14.10  | -0.07  |