| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 2.04 | 2.00 | 0.04 | 
| Feb | 1.73 | 1.82 | -0.09 | 
| Mar | 2.28 | 2.29 | -0.01 | 
| Apr | 3.60 | 3.50 | 0.10 | 
| May | 4.64 | 4.49 | 0.15 | 
| Jun | 4.30 | 4.54 | -0.24 | 
| Jul | 3.96 | 4.18 | -0.22 | 
| Aug | 3.80 | 3.76 | 0.04 | 
| Sep | 3.36 | 3.33 | 0.03 | 
| Oct | 3.02 | 3.07 | -0.05 | 
| Nov | 2.44 | 2.39 | 0.05 | 
| Dec | 2.00 | 2.05 | -0.05 | 
| 37.17 | 37.42 | -0.25 |