| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 1.46 | 1.52 | -0.06 | 
| Feb | 1.64 | 1.68 | -0.04 | 
| Mar | 2.35 | 2.26 | 0.09 | 
| Apr | 3.65 | 3.69 | -0.04 | 
| May | 4.31 | 4.40 | -0.09 | 
| Jun | 5.32 | 5.23 | 0.09 | 
| Jul | 4.52 | 4.32 | 0.20 | 
| Aug | 3.96 | 3.86 | 0.10 | 
| Sep | 3.68 | 3.61 | 0.07 | 
| Oct | 2.87 | 2.83 | 0.04 | 
| Nov | 2.34 | 2.30 | 0.04 | 
| Dec | 1.83 | 1.91 | -0.08 | 
| 37.93 | 37.61 | 0.32 |