| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 1.02  | 1.12  | -0.10  | 
| Feb | 1.21  | 1.31  | -0.10  | 
| Mar | 1.96  | 2.09  | -0.13  | 
| Apr | 3.80  | 3.74  | 0.06  | 
| May | 4.51  | 4.54  | -0.03  | 
| Jun | 5.59  | 5.56  | 0.03  | 
| Jul | 4.33  | 4.41  | -0.08  | 
| Aug | 4.27  | 4.17  | 0.10  | 
| Sep | 3.61  | 3.66  | -0.05  | 
| Oct | 2.91  | 2.90  | 0.01  | 
| Nov | 2.13  | 2.12  | 0.01  | 
| Dec | 1.53  | 1.61  | -0.08  | 
36.87  | 37.23  | -0.36  |