| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 3.65  | 3.64  | 0.01  | 
| Feb | 3.57  | 3.59  | -0.02  | 
| Mar | 4.59  | 4.74  | -0.15  | 
| Apr | 5.10  | 5.13  | -0.03  | 
| May | 5.49  | 5.58  | -0.09  | 
| Jun | 4.93  | 4.82  | 0.11  | 
| Jul | 4.05  | 4.20  | -0.15  | 
| Aug | 3.16  | 3.03  | 0.13  | 
| Sep | 3.55  | 3.53  | 0.02  | 
| Oct | 3.78  | 3.70  | 0.08  | 
| Nov | 3.87  | 3.82  | 0.05  | 
| Dec | 4.25  | 4.34  | -0.09  | 
49.99  | 50.12  | -0.13  |