| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 5.11 | 5.39 | -0.28 | 
| Feb | 5.26 | 5.31 | -0.05 | 
| Mar | 5.54 | 5.52 | 0.02 | 
| Apr | 4.68 | 4.64 | 0.04 | 
| May | 4.07 | 4.15 | -0.08 | 
| Jun | 4.65 | 4.70 | -0.05 | 
| Jul | 4.75 | 4.95 | -0.20 | 
| Aug | 4.23 | 4.51 | -0.28 | 
| Sep | 3.63 | 3.53 | 0.10 | 
| Oct | 3.10 | 3.08 | 0.02 | 
| Nov | 4.22 | 4.24 | -0.02 | 
| Dec | 5.49 | 5.40 | 0.09 | 
| 54.73 | 55.42 | -0.69 |