| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 5.39  | 5.29  | 0.10  | 
| Feb | 5.45  | 5.10  | 0.35  | 
| Mar | 5.53  | 5.33  | 0.20  | 
| Apr | 5.17  | 5.12  | 0.05  | 
| May | 4.62  | 4.45  | 0.17  | 
| Jun | 4.73  | 4.62  | 0.11  | 
| Jul | 5.07  | 4.53  | 0.54  | 
| Aug | 3.90  | 3.79  | 0.11  | 
| Sep | 3.76  | 3.89  | -0.13  | 
| Oct | 3.60  | 3.45  | 0.15  | 
| Nov | 4.57  | 4.54  | 0.03  | 
| Dec | 6.12  | 5.95  | 0.17  | 
57.91  | 56.06  | 1.85  |