| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 4.38  | 4.52  | -0.14  | 
| Feb | 4.51  | 5.07  | -0.56  | 
| Mar | 4.59  | 5.27  | -0.68  | 
| Apr | 3.79  | 3.97  | -0.18  | 
| May | 3.07  | 2.85  | 0.22  | 
| Jun | 5.61  | 5.11  | 0.50  | 
| Jul | 6.89  | 6.53  | 0.36  | 
| Aug | 7.55  | 7.81  | -0.26  | 
| Sep | 5.85  | 5.68  | 0.17  | 
| Oct | 3.37  | 3.63  | -0.26  | 
| Nov | 3.41  | 3.92  | -0.51  | 
| Dec | 4.30  | 4.78  | -0.48  | 
57.32  | 59.14  | -1.82  |