| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 0.84  | 0.92  | -0.08  | 
| Feb | 0.82  | 0.85  | -0.03  | 
| Mar | 1.60  | 1.64  | -0.04  | 
| Apr | 2.91  | 3.02  | -0.11  | 
| May | 4.18  | 4.22  | -0.04  | 
| Jun | 5.06  | 5.02  | 0.04  | 
| Jul | 4.13  | 4.25  | -0.12  | 
| Aug | 4.36  | 4.52  | -0.16  | 
| Sep | 3.35  | 3.35  | 0.00  | 
| Oct | 2.78  | 2.91  | -0.13  | 
| Nov | 1.69  | 1.70  | -0.01  | 
| Dec | 1.16  | 1.25  | -0.09  | 
32.88  | 33.65  | -0.77  |