| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 2.22 | 2.19 | 0.03 | 
| Feb | 2.01 | 2.02 | -0.01 | 
| Mar | 2.75 | 2.70 | 0.05 | 
| Apr | 4.07 | 4.03 | 0.04 | 
| May | 4.51 | 4.48 | 0.03 | 
| Jun | 4.33 | 4.41 | -0.08 | 
| Jul | 4.00 | 3.98 | 0.02 | 
| Aug | 3.37 | 3.26 | 0.11 | 
| Sep | 3.03 | 3.04 | -0.01 | 
| Oct | 3.27 | 3.27 | 0.00 | 
| Nov | 3.02 | 2.94 | 0.08 | 
| Dec | 2.27 | 2.24 | 0.03 | 
| 38.85 | 38.56 | 0.29 |