| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 2.59 | 2.67 | -0.08 | 
| Feb | 2.23 | 2.34 | -0.11 | 
| Mar | 3.33 | 3.40 | -0.07 | 
| Apr | 4.75 | 4.83 | -0.08 | 
| May | 5.02 | 5.07 | -0.05 | 
| Jun | 4.30 | 4.59 | -0.29 | 
| Jul | 4.17 | 4.23 | -0.06 | 
| Aug | 3.34 | 3.66 | -0.32 | 
| Sep | 3.25 | 3.18 | 0.07 | 
| Oct | 3.20 | 3.24 | -0.04 | 
| Nov | 3.49 | 3.54 | -0.05 | 
| Dec | 2.64 | 2.66 | -0.02 | 
| 42.31 | 43.41 | -1.10 |