| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 0.54  | 0.59  | -0.05  | 
| Feb | 0.73  | 0.78  | -0.05  | 
| Mar | 1.38  | 1.40  | -0.02  | 
| Apr | 2.72  | 2.86  | -0.14  | 
| May | 4.48  | 4.51  | -0.03  | 
| Jun | 4.01  | 3.71  | 0.30  | 
| Jul | 3.64  | 3.56  | 0.08  | 
| Aug | 3.34  | 3.41  | -0.07  | 
| Sep | 2.03  | 2.08  | -0.05  | 
| Oct | 2.13  | 2.05  | 0.08  | 
| Nov | 1.21  | 1.23  | -0.02  | 
| Dec | 0.84  | 0.90  | -0.06  | 
27.05  | 27.08  | -0.03  |