| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 2.01 | 2.04 | -0.03 | 
| Feb | 1.72 | 1.87 | -0.15 | 
| Mar | 2.29 | 2.34 | -0.05 | 
| Apr | 3.75 | 3.82 | -0.07 | 
| May | 4.51 | 4.56 | -0.05 | 
| Jun | 4.43 | 4.44 | -0.01 | 
| Jul | 4.03 | 4.09 | -0.06 | 
| Aug | 3.94 | 3.83 | 0.11 | 
| Sep | 3.22 | 3.28 | -0.06 | 
| Oct | 3.27 | 3.30 | -0.03 | 
| Nov | 2.53 | 2.52 | 0.01 | 
| Dec | 2.07 | 2.13 | -0.06 | 
| 37.77 | 38.22 | -0.45 |