| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 3.22  | 3.33  | -0.11  | 
| Feb | 2.81  | 2.96  | -0.15  | 
| Mar | 3.89  | 3.82  | 0.07  | 
| Apr | 3.96  | 3.95  | 0.01  | 
| May | 3.60  | 3.54  | 0.06  | 
| Jun | 4.23  | 4.28  | -0.05  | 
| Jul | 3.97  | 3.99  | -0.02  | 
| Aug | 4.17  | 3.97  | 0.20  | 
| Sep | 4.15  | 4.15  | 0.00  | 
| Oct | 4.46  | 4.54  | -0.08  | 
| Nov | 3.60  | 3.71  | -0.11  | 
| Dec | 4.19  | 4.30  | -0.11  | 
46.25  | 46.54  | -0.29  |