| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 0.77  | 0.74  | 0.03  | 
| Feb | 0.87  | 0.81  | 0.06  | 
| Mar | 1.47  | 1.34  | 0.13  | 
| Apr | 2.69  | 2.81  | -0.12  | 
| May | 4.02  | 3.92  | 0.10  | 
| Jun | 4.30  | 4.10  | 0.20  | 
| Jul | 4.28  | 4.14  | 0.14  | 
| Aug | 4.02  | 3.91  | 0.11  | 
| Sep | 3.33  | 3.54  | -0.21  | 
| Oct | 2.96  | 3.00  | -0.04  | 
| Nov | 1.65  | 1.49  | 0.16  | 
| Dec | 1.14  | 1.11  | 0.03  | 
31.50  | 30.91  | 0.59  |