condition mean min max 4 h after light 121.2237755 98.441316 144.006235 8 h after light 112.4243735 96.155152 128.693595 12 h after light 97.2149005 95.942969 98.486832 4 h after dark 104.67980850000001 97.441756 111.917861 8 h after dark 98.2604665 89.67349 106.847443 12 h after dark 97.441756 97.441756 97.441756