| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 1.74 | 1.84 | -0.10 | 
| Feb | 1.77 | 1.79 | -0.02 | 
| Mar | 2.28 | 2.29 | -0.01 | 
| Apr | 3.71 | 3.72 | -0.01 | 
| May | 4.77 | 4.87 | -0.10 | 
| Jun | 4.60 | 4.41 | 0.19 | 
| Jul | 3.92 | 3.82 | 0.10 | 
| Aug | 3.90 | 3.96 | -0.06 | 
| Sep | 3.39 | 3.45 | -0.06 | 
| Oct | 3.31 | 3.24 | 0.07 | 
| Nov | 2.50 | 2.52 | -0.02 | 
| Dec | 2.03 | 2.14 | -0.11 | 
| 37.92 | 38.05 | -0.13 |