| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 1.83 | 2.03 | -0.20 | 
| Feb | 1.79 | 1.88 | -0.09 | 
| Mar | 2.39 | 2.57 | -0.18 | 
| Apr | 3.66 | 3.79 | -0.13 | 
| May | 4.63 | 4.67 | -0.04 | 
| Jun | 4.26 | 4.10 | 0.16 | 
| Jul | 3.87 | 3.79 | 0.08 | 
| Aug | 3.62 | 3.50 | 0.12 | 
| Sep | 3.40 | 3.35 | 0.05 | 
| Oct | 2.97 | 3.06 | -0.09 | 
| Nov | 2.47 | 2.57 | -0.10 | 
| Dec | 2.07 | 2.05 | 0.02 | 
| 36.96 | 37.36 | -0.40 |