| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 3.37  | 3.48  | -0.11  | 
| Feb | 3.03  | 3.02  | 0.01  | 
| Mar | 4.09  | 4.09  | 0.00  | 
| Apr | 4.85  | 4.99  | -0.14  | 
| May | 5.19  | 5.16  | 0.03  | 
| Jun | 4.76  | 4.84  | -0.08  | 
| Jul | 4.33  | 4.11  | 0.22  | 
| Aug | 3.43  | 3.38  | 0.05  | 
| Sep | 3.18  | 3.30  | -0.12  | 
| Oct | 3.44  | 3.39  | 0.05  | 
| Nov | 3.41  | 3.40  | 0.01  | 
| Dec | 3.83  | 3.86  | -0.03  | 
46.91  | 47.02  | -0.11  |