| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 1.85  | 1.94  | -0.09  | 
| Feb | 1.77  | 1.89  | -0.12  | 
| Mar | 2.28  | 2.24  | 0.04  | 
| Apr | 3.81  | 3.71  | 0.10  | 
| May | 4.50  | 4.71  | -0.21  | 
| Jun | 4.63  | 4.41  | 0.22  | 
| Jul | 3.93  | 3.70  | 0.23  | 
| Aug | 3.93  | 4.05  | -0.12  | 
| Sep | 3.45  | 3.38  | 0.07  | 
| Oct | 3.26  | 3.25  | 0.01  | 
| Nov | 2.45  | 2.38  | 0.07  | 
| Dec | 2.09  | 2.10  | -0.01  | 
37.95  | 37.76  | 0.19  |