| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 2.04 | 2.12 | -0.08 | 
| Feb | 1.84 | 1.96 | -0.12 | 
| Mar | 2.38 | 2.37 | 0.01 | 
| Apr | 3.90 | 3.90 | 0.00 | 
| May | 4.56 | 4.70 | -0.14 | 
| Jun | 4.45 | 4.45 | 0.00 | 
| Jul | 3.89 | 3.96 | -0.07 | 
| Aug | 4.11 | 4.00 | 0.11 | 
| Sep | 3.28 | 3.24 | 0.04 | 
| Oct | 3.50 | 3.52 | -0.02 | 
| Nov | 2.62 | 2.60 | 0.02 | 
| Dec | 2.18 | 2.19 | -0.01 | 
| 38.75 | 39.01 | -0.26 |