| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 3.43  | 3.81  | -0.38  | 
| Feb | 3.01  | 3.31  | -0.30  | 
| Mar | 4.00  | 4.29  | -0.29  | 
| Apr | 4.04  | 4.46  | -0.42  | 
| May | 3.67  | 3.87  | -0.20  | 
| Jun | 4.36  | 4.40  | -0.04  | 
| Jul | 4.15  | 4.31  | -0.16  | 
| Aug | 4.05  | 4.36  | -0.31  | 
| Sep | 4.29  | 4.62  | -0.33  | 
| Oct | 5.03  | 5.30  | -0.27  | 
| Nov | 3.81  | 4.13  | -0.32  | 
| Dec | 4.27  | 4.64  | -0.37  | 
48.11  | 51.50  | -3.39  |