| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 2.12 | 2.14 | -0.02 | 
| Feb | 1.88 | 1.95 | -0.07 | 
| Mar | 2.41 | 2.34 | 0.07 | 
| Apr | 3.82 | 3.79 | 0.03 | 
| May | 4.57 | 4.59 | -0.02 | 
| Jun | 4.51 | 4.44 | 0.07 | 
| Jul | 4.22 | 4.37 | -0.15 | 
| Aug | 4.02 | 3.97 | 0.05 | 
| Sep | 3.37 | 3.36 | 0.01 | 
| Oct | 3.39 | 3.36 | 0.03 | 
| Nov | 2.64 | 2.60 | 0.04 | 
| Dec | 2.19 | 2.16 | 0.03 | 
| 39.14 | 39.07 | 0.07 |