| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 3.29  | 3.61  | -0.32  | 
| Feb | 2.93  | 2.97  | -0.04  | 
| Mar | 3.95  | 4.21  | -0.26  | 
| Apr | 4.53  | 4.89  | -0.36  | 
| May | 4.82  | 5.05  | -0.23  | 
| Jun | 4.77  | 4.78  | -0.01  | 
| Jul | 4.20  | 4.24  | -0.04  | 
| Aug | 3.46  | 3.36  | 0.10  | 
| Sep | 3.19  | 3.33  | -0.14  | 
| Oct | 3.23  | 3.31  | -0.08  | 
| Nov | 3.17  | 3.31  | -0.14  | 
| Dec | 3.56  | 3.85  | -0.29  | 
45.10  | 46.91  | -1.81  |