| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 1.63  | 1.56  | 0.07  | 
| Feb | 1.71  | 1.60  | 0.11  | 
| Mar | 1.42  | 1.46  | -0.04  | 
| Apr | 0.39  | 0.44  | -0.05  | 
| May | 0.21  | 0.23  | -0.02  | 
| Jun | 0.06  | 0.06  | 0.00  | 
| Jul | 1.02  | 0.95  | 0.07  | 
| Aug | 1.60  | 1.45  | 0.15  | 
| Sep | 1.09  | 0.86  | 0.23  | 
| Oct | 0.84  | 0.96  | -0.12  | 
| Nov | 0.90  | 0.78  | 0.12  | 
| Dec | 1.41  | 1.38  | 0.03  | 
12.28  | 11.73  | 0.55  |