| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 2.12 | 2.16 | -0.04 | 
| Feb | 1.97 | 1.89 | 0.08 | 
| Mar | 2.70 | 2.62 | 0.08 | 
| Apr | 4.15 | 3.92 | 0.23 | 
| May | 4.44 | 4.53 | -0.09 | 
| Jun | 4.35 | 4.38 | -0.03 | 
| Jul | 3.78 | 3.52 | 0.26 | 
| Aug | 3.43 | 3.03 | 0.40 | 
| Sep | 3.06 | 3.08 | -0.02 | 
| Oct | 3.17 | 3.07 | 0.10 | 
| Nov | 2.99 | 2.92 | 0.07 | 
| Dec | 2.10 | 2.14 | -0.04 | 
| 38.26 | 37.26 | 1.00 |