| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 2.15 | 2.16 | -0.01 | 
| Feb | 2.00 | 1.90 | 0.10 | 
| Mar | 2.75 | 2.65 | 0.10 | 
| Apr | 4.19 | 3.97 | 0.22 | 
| May | 4.47 | 4.56 | -0.09 | 
| Jun | 4.37 | 4.37 | 0.00 | 
| Jul | 3.76 | 3.48 | 0.28 | 
| Aug | 3.42 | 3.03 | 0.39 | 
| Sep | 3.12 | 3.10 | 0.02 | 
| Oct | 3.16 | 3.07 | 0.09 | 
| Nov | 3.05 | 2.95 | 0.10 | 
| Dec | 2.16 | 2.16 | 0.00 | 
| 38.60 | 37.40 | 1.20 |