| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 3.02  | 3.30  | -0.28  | 
| Feb | 2.51  | 2.86  | -0.35  | 
| Mar | 3.31  | 3.52  | -0.21  | 
| Apr | 3.45  | 3.60  | -0.15  | 
| May | 3.52  | 3.62  | -0.10  | 
| Jun | 4.32  | 4.20  | 0.12  | 
| Jul | 4.22  | 4.32  | -0.10  | 
| Aug | 4.38  | 4.51  | -0.13  | 
| Sep | 4.27  | 4.40  | -0.13  | 
| Oct | 4.35  | 4.41  | -0.06  | 
| Nov | 3.33  | 3.39  | -0.06  | 
| Dec | 3.69  | 4.00  | -0.31  | 
44.37  | 46.13  | -1.76  |