| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 3.33  | 3.54  | -0.21  | 
| Feb | 2.95  | 3.01  | -0.06  | 
| Mar | 3.56  | 3.74  | -0.18  | 
| Apr | 3.33  | 3.46  | -0.13  | 
| May | 3.22  | 3.46  | -0.24  | 
| Jun | 4.60  | 4.60  | 0.00  | 
| Jul | 5.16  | 5.17  | -0.01  | 
| Aug | 4.55  | 4.94  | -0.39  | 
| Sep | 4.80  | 5.26  | -0.46  | 
| Oct | 3.23  | 3.41  | -0.18  | 
| Nov | 3.36  | 3.36  | 0.00  | 
| Dec | 3.30  | 3.44  | -0.14  | 
45.39  | 47.39  | -2.00  |