| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 1.55  | 1.54  | 0.01  | 
| Feb | 1.71  | 1.74  | -0.03  | 
| Mar | 1.37  | 1.38  | -0.01  | 
| Apr | 0.54  | 0.53  | 0.01  | 
| May | 0.50  | 0.47  | 0.03  | 
| Jun | 0.30  | 0.24  | 0.06  | 
| Jul | 2.19  | 2.40  | -0.21  | 
| Aug | 2.76  | 2.63  | 0.13  | 
| Sep | 1.53  | 1.70  | -0.17  | 
| Oct | 0.94  | 0.87  | 0.07  | 
| Nov | 0.87  | 0.80  | 0.07  | 
| Dec | 1.39  | 1.36  | 0.03  | 
15.65  | 15.66  | -0.01  |