| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 0.42  | 0.38  | 0.04  | 
| Feb | 0.55  | 0.51  | 0.04  | 
| Mar | 0.87  | 0.79  | 0.08  | 
| Apr | 1.53  | 1.57  | -0.04  | 
| May | 3.05  | 3.10  | -0.05  | 
| Jun | 3.52  | 3.57  | -0.05  | 
| Jul | 3.00  | 3.05  | -0.05  | 
| Aug | 2.25  | 2.27  | -0.02  | 
| Sep | 1.92  | 1.82  | 0.10  | 
| Oct | 1.70  | 1.71  | -0.01  | 
| Nov | 0.55  | 0.58  | -0.03  | 
| Dec | 0.54  | 0.47  | 0.07  | 
19.90  | 19.82  | 0.08  |