condition mean min max 0 h after light 0.13823 0.110702 0.165758 4 h after light 0.1943105 0.163428 0.225193 8 h after light 0.3327235 0.327984 0.337463 4 h after dark 0.16301 0.108959 0.217061 8 h after dark 0.2181265 0.109751 0.326502 12 h after dark 0.2722865 0.220714 0.323859