| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 1.20  | 1.47  | -0.27  | 
| Feb | 1.26  | 1.56  | -0.30  | 
| Mar | 1.05  | 1.27  | -0.22  | 
| Apr | 0.45  | 0.50  | -0.05  | 
| May | 0.42  | 0.43  | -0.01  | 
| Jun | 0.25  | 0.24  | 0.01  | 
| Jul | 1.88  | 2.15  | -0.27  | 
| Aug | 2.30  | 2.50  | -0.20  | 
| Sep | 1.36  | 1.56  | -0.20  | 
| Oct | 0.80  | 0.86  | -0.06  | 
| Nov | 0.68  | 0.75  | -0.07  | 
| Dec | 1.01  | 1.24  | -0.23  | 
12.66  | 14.53  | -1.87  |