| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 3.43  | 3.52  | -0.09  | 
| Feb | 3.53  | 3.64  | -0.11  | 
| Mar | 4.68  | 4.58  | 0.10  | 
| Apr | 5.49  | 5.43  | 0.06  | 
| May | 5.33  | 5.11  | 0.22  | 
| Jun | 3.43  | 3.26  | 0.17  | 
| Jul | 3.83  | 4.10  | -0.27  | 
| Aug | 3.77  | 3.70  | 0.07  | 
| Sep | 3.54  | 3.55  | -0.01  | 
| Oct | 3.73  | 3.98  | -0.25  | 
| Nov | 4.74  | 4.74  | 0.00  | 
| Dec | 4.30  | 4.36  | -0.06  | 
49.80  | 49.97  | -0.17  |