| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 0.73  | 0.97  | -0.24  | 
| Feb | 0.78  | 0.89  | -0.11  | 
| Mar | 1.59  | 1.70  | -0.11  | 
| Apr | 2.90  | 3.09  | -0.19  | 
| May | 4.14  | 4.21  | -0.07  | 
| Jun | 4.52  | 4.62  | -0.10  | 
| Jul | 4.19  | 4.35  | -0.16  | 
| Aug | 4.45  | 4.28  | 0.17  | 
| Sep | 3.32  | 3.31  | 0.01  | 
| Oct | 2.71  | 2.79  | -0.08  | 
| Nov | 1.56  | 1.71  | -0.15  | 
| Dec | 1.03  | 1.29  | -0.26  | 
31.92  | 33.21  | -1.29  |