| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 2.21 | 2.27 | -0.06 | 
| Feb | 2.01 | 2.09 | -0.08 | 
| Mar | 2.48 | 2.69 | -0.21 | 
| Apr | 3.95 | 3.99 | -0.04 | 
| May | 4.51 | 4.44 | 0.07 | 
| Jun | 4.54 | 4.61 | -0.07 | 
| Jul | 4.23 | 4.17 | 0.06 | 
| Aug | 3.26 | 3.11 | 0.15 | 
| Sep | 3.22 | 3.17 | 0.05 | 
| Oct | 3.23 | 3.28 | -0.05 | 
| Nov | 3.10 | 3.15 | -0.05 | 
| Dec | 2.29 | 2.38 | -0.09 | 
| 39.03 | 39.35 | -0.32 |