| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 3.46  | 3.49  | -0.03  | 
| Feb | 2.85  | 2.96  | -0.11  | 
| Mar | 3.84  | 3.87  | -0.03  | 
| Apr | 3.72  | 3.86  | -0.14  | 
| May | 3.87  | 3.99  | -0.12  | 
| Jun | 4.61  | 4.61  | 0.00  | 
| Jul | 4.64  | 4.64  | 0.00  | 
| Aug | 4.49  | 4.95  | -0.46  | 
| Sep | 4.71  | 4.55  | 0.16  | 
| Oct | 4.79  | 4.84  | -0.05  | 
| Nov | 3.76  | 3.80  | -0.04  | 
| Dec | 4.23  | 4.32  | -0.09  | 
48.97  | 49.88  | -0.91  |