| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 1.00 | 1.03 | -0.03 | 
| Feb | 1.45 | 1.53 | -0.08 | 
| Mar | 2.27 | 2.34 | -0.07 | 
| Apr | 3.79 | 3.73 | 0.06 | 
| May | 5.43 | 5.45 | -0.02 | 
| Jun | 5.30 | 5.32 | -0.02 | 
| Jul | 4.03 | 4.05 | -0.02 | 
| Aug | 4.30 | 4.36 | -0.06 | 
| Sep | 3.90 | 3.91 | -0.01 | 
| Oct | 2.94 | 3.10 | -0.16 | 
| Nov | 2.12 | 2.10 | 0.02 | 
| Dec | 1.54 | 1.56 | -0.02 | 
| 38.07 | 38.48 | -0.41 |