| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 3.22 | 3.34 | -0.12 | 
| Feb | 2.93 | 2.96 | -0.03 | 
| Mar | 2.32 | 2.37 | -0.05 | 
| Apr | 1.36 | 1.41 | -0.05 | 
| May | 0.66 | 0.63 | 0.03 | 
| Jun | 0.11 | 0.15 | -0.04 | 
| Jul | 0.00 | 0.00 | 0.00 | 
| Aug | 0.01 | 0.02 | -0.01 | 
| Sep | 0.10 | 0.08 | 0.02 | 
| Oct | 0.82 | 0.84 | -0.02 | 
| Nov | 1.64 | 1.62 | 0.02 | 
| Dec | 3.04 | 3.14 | -0.10 | 
| 16.21 | 16.56 | -0.35 |