| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 1.42 | 1.39 | 0.03 | 
| Feb | 1.40 | 1.29 | 0.11 | 
| Mar | 1.01 | 0.92 | 0.09 | 
| Apr | 0.40 | 0.36 | 0.04 | 
| May | 0.26 | 0.25 | 0.01 | 
| Jun | 0.22 | 0.32 | -0.10 | 
| Jul | 2.08 | 2.49 | -0.41 | 
| Aug | 2.45 | 2.93 | -0.48 | 
| Sep | 1.64 | 1.35 | 0.29 | 
| Oct | 0.71 | 0.93 | -0.22 | 
| Nov | 0.87 | 0.83 | 0.04 | 
| Dec | 1.57 | 1.48 | 0.09 | 
| 14.03 | 14.54 | -0.51 |