| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 2.05 | 2.07 | -0.02 | 
| Feb | 1.73 | 1.82 | -0.09 | 
| Mar | 2.31 | 2.28 | 0.03 | 
| Apr | 3.65 | 3.58 | 0.07 | 
| May | 4.62 | 4.53 | 0.09 | 
| Jun | 4.36 | 4.52 | -0.16 | 
| Jul | 4.03 | 4.09 | -0.06 | 
| Aug | 3.81 | 3.70 | 0.11 | 
| Sep | 3.29 | 3.25 | 0.04 | 
| Oct | 3.07 | 3.07 | 0.00 | 
| Nov | 2.46 | 2.44 | 0.02 | 
| Dec | 2.02 | 2.05 | -0.03 | 
| 37.40 | 37.40 | 0.00 |