| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 3.58  | 3.91  | -0.33  | 
| Feb | 2.99  | 3.51  | -0.52  | 
| Mar | 4.31  | 4.84  | -0.53  | 
| Apr | 4.19  | 4.59  | -0.40  | 
| May | 3.64  | 3.74  | -0.10  | 
| Jun | 4.00  | 4.14  | -0.14  | 
| Jul | 3.37  | 3.56  | -0.19  | 
| Aug | 3.80  | 4.35  | -0.55  | 
| Sep | 4.14  | 4.53  | -0.39  | 
| Oct | 4.64  | 4.79  | -0.15  | 
| Nov | 3.84  | 4.07  | -0.23  | 
| Dec | 4.38  | 4.84  | -0.46  | 
46.88  | 50.87  | -3.99  |