| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 2.14 | 2.13 | 0.01 | 
| Feb | 1.98 | 1.92 | 0.06 | 
| Mar | 2.69 | 2.67 | 0.02 | 
| Apr | 4.13 | 3.99 | 0.14 | 
| May | 4.52 | 4.57 | -0.05 | 
| Jun | 4.34 | 4.46 | -0.12 | 
| Jul | 3.77 | 3.68 | 0.09 | 
| Aug | 3.44 | 3.17 | 0.27 | 
| Sep | 3.07 | 3.15 | -0.08 | 
| Oct | 3.18 | 3.13 | 0.05 | 
| Nov | 2.96 | 2.92 | 0.04 | 
| Dec | 2.10 | 2.17 | -0.07 | 
| 38.32 | 37.96 | 0.36 |