| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 2.22 | 2.29 | -0.07 | 
| Feb | 1.94 | 2.03 | -0.09 | 
| Mar | 2.62 | 2.71 | -0.09 | 
| Apr | 4.09 | 4.08 | 0.01 | 
| May | 4.48 | 4.52 | -0.04 | 
| Jun | 4.42 | 4.51 | -0.09 | 
| Jul | 4.01 | 4.04 | -0.03 | 
| Aug | 3.26 | 3.01 | 0.25 | 
| Sep | 3.04 | 3.04 | 0.00 | 
| Oct | 3.22 | 3.25 | -0.03 | 
| Nov | 3.16 | 3.13 | 0.03 | 
| Dec | 2.29 | 2.38 | -0.09 | 
| 38.75 | 38.99 | -0.24 |