| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 3.04  | 3.28  | -0.24  | 
| Feb | 2.17  | 2.43  | -0.26  | 
| Mar | 2.66  | 2.91  | -0.25  | 
| Apr | 3.42  | 3.39  | 0.03  | 
| May | 3.28  | 3.34  | -0.06  | 
| Jun | 3.46  | 3.75  | -0.29  | 
| Jul | 3.61  | 3.34  | 0.27  | 
| Aug | 3.36  | 3.21  | 0.15  | 
| Sep | 4.04  | 3.97  | 0.07  | 
| Oct | 3.87  | 4.17  | -0.30  | 
| Nov | 3.37  | 3.72  | -0.35  | 
| Dec | 3.44  | 3.72  | -0.28  | 
39.72  | 41.23  | -1.51  |