| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 1.02  | 1.21  | -0.19  | 
| Feb | 1.23  | 1.41  | -0.18  | 
| Mar | 1.98  | 2.15  | -0.17  | 
| Apr | 3.82  | 3.85  | -0.03  | 
| May | 4.47  | 4.62  | -0.15  | 
| Jun | 5.62  | 5.69  | -0.07  | 
| Jul | 4.34  | 4.38  | -0.04  | 
| Aug | 4.26  | 4.19  | 0.07  | 
| Sep | 3.63  | 3.86  | -0.23  | 
| Oct | 2.92  | 2.97  | -0.05  | 
| Nov | 2.15  | 2.19  | -0.04  | 
| Dec | 1.55  | 1.66  | -0.11  | 
36.99  | 38.18  | -1.19  |