| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 0.48  | 0.54  | -0.06  | 
| Feb | 0.48  | 0.53  | -0.05  | 
| Mar | 0.91  | 0.90  | 0.01  | 
| Apr | 1.26  | 1.15  | 0.11  | 
| May | 2.98  | 3.12  | -0.14  | 
| Jun | 3.74  | 3.95  | -0.21  | 
| Jul | 3.54  | 3.77  | -0.23  | 
| Aug | 2.59  | 2.70  | -0.11  | 
| Sep | 2.30  | 2.24  | 0.06  | 
| Oct | 1.80  | 1.91  | -0.11  | 
| Nov | 0.74  | 0.79  | -0.05  | 
| Dec | 0.65  | 0.76  | -0.11  | 
21.47  | 22.36  | -0.89  |