| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 1.99 | 1.93 | 0.06 | 
| Feb | 1.76 | 1.79 | -0.03 | 
| Mar | 2.35 | 2.44 | -0.09 | 
| Apr | 3.56 | 3.54 | 0.02 | 
| May | 4.56 | 4.55 | 0.01 | 
| Jun | 4.39 | 4.43 | -0.04 | 
| Jul | 3.82 | 3.87 | -0.05 | 
| Aug | 3.65 | 3.70 | -0.05 | 
| Sep | 3.30 | 3.35 | -0.05 | 
| Oct | 3.10 | 3.07 | 0.03 | 
| Nov | 2.54 | 2.59 | -0.05 | 
| Dec | 2.02 | 2.06 | -0.04 | 
| 37.04 | 37.32 | -0.28 |