| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 1.82 | 1.87 | -0.05 | 
| Feb | 1.72 | 1.82 | -0.10 | 
| Mar | 2.23 | 2.27 | -0.04 | 
| Apr | 3.77 | 3.76 | 0.01 | 
| May | 4.66 | 4.64 | 0.02 | 
| Jun | 4.38 | 4.32 | 0.06 | 
| Jul | 3.87 | 3.76 | 0.11 | 
| Aug | 3.94 | 3.78 | 0.16 | 
| Sep | 3.22 | 3.25 | -0.03 | 
| Oct | 3.34 | 3.35 | -0.01 | 
| Nov | 2.53 | 2.50 | 0.03 | 
| Dec | 2.03 | 2.07 | -0.04 | 
| 37.51 | 37.39 | 0.12 |