| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 3.26  | 3.40  | -0.14  | 
| Feb | 2.90  | 3.01  | -0.11  | 
| Mar | 3.75  | 3.92  | -0.17  | 
| Apr | 3.87  | 4.00  | -0.13  | 
| May | 3.46  | 3.61  | -0.15  | 
| Jun | 4.45  | 4.51  | -0.06  | 
| Jul | 3.93  | 4.04  | -0.11  | 
| Aug | 4.31  | 4.22  | 0.09  | 
| Sep | 4.17  | 4.29  | -0.12  | 
| Oct | 4.53  | 4.72  | -0.19  | 
| Nov | 3.54  | 3.67  | -0.13  | 
| Dec | 4.07  | 4.31  | -0.24  | 
46.24  | 47.70  | -1.46  |