| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 3.38  | 3.76  | -0.38  | 
| Feb | 2.98  | 3.26  | -0.28  | 
| Mar | 4.24  | 4.44  | -0.20  | 
| Apr | 3.86  | 4.12  | -0.26  | 
| May | 3.38  | 3.44  | -0.06  | 
| Jun | 3.90  | 3.93  | -0.03  | 
| Jul | 3.34  | 3.25  | 0.09  | 
| Aug | 3.86  | 3.94  | -0.08  | 
| Sep | 3.82  | 3.79  | 0.03  | 
| Oct | 3.97  | 4.33  | -0.36  | 
| Nov | 3.38  | 3.50  | -0.12  | 
| Dec | 4.34  | 4.67  | -0.33  | 
44.45  | 46.43  | -1.98  |