| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 3.14  | 3.07  | 0.07  | 
| Feb | 3.04  | 2.90  | 0.14  | 
| Mar | 3.57  | 3.52  | 0.05  | 
| Apr | 3.74  | 3.72  | 0.02  | 
| May | 3.79  | 3.54  | 0.25  | 
| Jun | 4.19  | 4.27  | -0.08  | 
| Jul | 3.99  | 3.58  | 0.41  | 
| Aug | 3.95  | 3.72  | 0.23  | 
| Sep | 3.79  | 3.67  | 0.12  | 
| Oct | 4.81  | 4.75  | 0.06  | 
| Nov | 3.76  | 3.49  | 0.27  | 
| Dec | 4.10  | 3.90  | 0.20  | 
45.87  | 44.13  | 1.74  |