| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 3.32  | 3.60  | -0.28  | 
| Feb | 2.87  | 3.35  | -0.48  | 
| Mar | 3.58  | 4.14  | -0.56  | 
| Apr | 4.07  | 4.50  | -0.43  | 
| May | 3.60  | 3.86  | -0.26  | 
| Jun | 4.73  | 5.24  | -0.51  | 
| Jul | 3.82  | 4.11  | -0.29  | 
| Aug | 3.98  | 4.16  | -0.18  | 
| Sep | 3.49  | 3.59  | -0.10  | 
| Oct | 5.18  | 5.63  | -0.45  | 
| Nov | 4.15  | 4.43  | -0.28  | 
| Dec | 4.08  | 4.65  | -0.57  | 
46.87  | 51.26  | -4.39  |