| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 1.67  | 1.52  | 0.15  | 
| Feb | 1.65  | 1.57  | 0.08  | 
| Mar | 1.51  | 1.59  | -0.08  | 
| Apr | 0.40  | 0.45  | -0.05  | 
| May | 0.17  | 0.26  | -0.09  | 
| Jun | 0.05  | 0.05  | 0.00  | 
| Jul | 0.96  | 1.00  | -0.04  | 
| Aug | 1.63  | 1.37  | 0.26  | 
| Sep | 1.06  | 0.70  | 0.36  | 
| Oct | 0.86  | 1.01  | -0.15  | 
| Nov | 0.85  | 0.79  | 0.06  | 
| Dec | 1.35  | 1.49  | -0.14  | 
12.16  | 11.80  | 0.36  |