| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 2.08 | 2.08 | 0.00 | 
| Feb | 1.76 | 1.82 | -0.06 | 
| Mar | 2.31 | 2.28 | 0.03 | 
| Apr | 3.69 | 3.58 | 0.11 | 
| May | 4.65 | 4.55 | 0.10 | 
| Jun | 4.37 | 4.51 | -0.14 | 
| Jul | 4.06 | 4.07 | -0.01 | 
| Aug | 3.79 | 3.69 | 0.10 | 
| Sep | 3.30 | 3.25 | 0.05 | 
| Oct | 3.10 | 3.08 | 0.02 | 
| Nov | 2.49 | 2.45 | 0.04 | 
| Dec | 2.03 | 2.05 | -0.02 | 
| 37.63 | 37.41 | 0.22 |