| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 1.71 | 1.73 | -0.02 | 
| Feb | 1.75 | 1.77 | -0.02 | 
| Mar | 2.41 | 2.34 | 0.07 | 
| Apr | 3.59 | 3.54 | 0.05 | 
| May | 4.69 | 4.71 | -0.02 | 
| Jun | 4.98 | 4.86 | 0.12 | 
| Jul | 3.94 | 3.89 | 0.05 | 
| Aug | 3.87 | 3.94 | -0.07 | 
| Sep | 3.44 | 3.37 | 0.07 | 
| Oct | 2.96 | 2.92 | 0.04 | 
| Nov | 2.45 | 2.33 | 0.12 | 
| Dec | 2.02 | 1.98 | 0.04 | 
| 37.81 | 37.38 | 0.43 |