| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 1.48  | 1.51  | -0.03  | 
| Feb | 1.55  | 1.58  | -0.03  | 
| Mar | 2.17  | 2.12  | 0.05  | 
| Apr | 3.73  | 3.80  | -0.07  | 
| May | 4.20  | 4.29  | -0.09  | 
| Jun | 5.58  | 5.42  | 0.16  | 
| Jul | 4.37  | 4.20  | 0.17  | 
| Aug | 4.14  | 4.21  | -0.07  | 
| Sep | 3.63  | 3.61  | 0.02  | 
| Oct | 2.90  | 2.90  | 0.00  | 
| Nov | 2.34  | 2.28  | 0.06  | 
| Dec | 1.73  | 1.77  | -0.04  | 
37.82  | 37.69  | 0.13  |