condition mean min max 4 h after light 3.453995 3.0212 3.88679 8 h after light 5.7846150000000005 5.23625 6.33298 12 h after light 7.73187 5.16324 10.3005 4 h after dark 9.138966666666667 8.06839 10.1598 8 h after dark 5.859653333333333 5.50178 6.18169 12 h after dark 3.6927733333333332 2.04195 5.197