| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 3.62  | 3.85  | -0.23  | 
| Feb | 3.05  | 3.30  | -0.25  | 
| Mar | 4.42  | 4.72  | -0.30  | 
| Apr | 4.12  | 4.37  | -0.25  | 
| May | 3.56  | 3.47  | 0.09  | 
| Jun | 3.89  | 4.06  | -0.17  | 
| Jul | 3.37  | 3.51  | -0.14  | 
| Aug | 3.79  | 4.11  | -0.32  | 
| Sep | 4.11  | 4.41  | -0.30  | 
| Oct | 4.59  | 4.63  | -0.04  | 
| Nov | 3.73  | 4.02  | -0.29  | 
| Dec | 4.47  | 4.74  | -0.27  | 
46.72  | 49.19  | -2.47  |