| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 1.06  | 1.48  | -0.42  | 
| Feb | 1.04  | 1.22  | -0.18  | 
| Mar | 1.33  | 1.49  | -0.16  | 
| Apr | 2.33  | 2.60  | -0.27  | 
| May | 3.10  | 3.30  | -0.20  | 
| Jun | 3.98  | 4.30  | -0.32  | 
| Jul | 3.77  | 3.84  | -0.07  | 
| Aug | 2.87  | 3.41  | -0.54  | 
| Sep | 3.29  | 3.69  | -0.40  | 
| Oct | 3.13  | 3.60  | -0.47  | 
| Nov | 2.06  | 2.36  | -0.30  | 
| Dec | 1.61  | 2.01  | -0.40  | 
29.57  | 33.30  | -3.73  |