| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 2.02 | 2.01 | 0.01 | 
| Feb | 1.90 | 1.86 | 0.04 | 
| Mar | 2.57 | 2.57 | 0.00 | 
| Apr | 3.97 | 3.89 | 0.08 | 
| May | 4.75 | 4.75 | 0.00 | 
| Jun | 4.52 | 4.44 | 0.08 | 
| Jul | 3.78 | 3.72 | 0.06 | 
| Aug | 3.52 | 3.49 | 0.03 | 
| Sep | 3.36 | 3.39 | -0.03 | 
| Oct | 3.04 | 3.05 | -0.01 | 
| Nov | 2.70 | 2.83 | -0.13 | 
| Dec | 2.04 | 2.12 | -0.08 | 
| 38.17 | 38.12 | 0.05 |