| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 2.15 | 1.92 | 0.23 | 
| Feb | 1.83 | 1.69 | 0.14 | 
| Mar | 2.31 | 2.41 | -0.10 | 
| Apr | 3.46 | 3.53 | -0.07 | 
| May | 4.53 | 4.59 | -0.06 | 
| Jun | 4.57 | 4.50 | 0.07 | 
| Jul | 4.02 | 4.11 | -0.09 | 
| Aug | 3.77 | 3.54 | 0.23 | 
| Sep | 3.26 | 3.28 | -0.02 | 
| Oct | 3.12 | 3.01 | 0.11 | 
| Nov | 2.48 | 2.50 | -0.02 | 
| Dec | 1.94 | 1.96 | -0.02 | 
| 37.44 | 37.04 | 0.40 |