| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 2.07 | 2.12 | -0.05 | 
| Feb | 1.89 | 1.94 | -0.05 | 
| Mar | 2.53 | 2.54 | -0.01 | 
| Apr | 3.83 | 3.77 | 0.06 | 
| May | 4.59 | 4.72 | -0.13 | 
| Jun | 4.12 | 4.13 | -0.01 | 
| Jul | 4.08 | 3.67 | 0.41 | 
| Aug | 3.64 | 3.34 | 0.30 | 
| Sep | 3.34 | 3.44 | -0.10 | 
| Oct | 3.09 | 3.08 | 0.01 | 
| Nov | 2.68 | 2.68 | 0.00 | 
| Dec | 2.15 | 2.17 | -0.02 | 
| 38.01 | 37.60 | 0.41 |