condition mean min max 0 h after light 5.66062 5.60017 5.72107 4 h after light 5.32475 4.75122 5.89828 8 h after light 7.302865000000001 7.24237 7.36336 4 h after dark 7.315165 6.85016 7.78017 8 h after dark 6.53781 5.65612 7.4195 12 h after dark 5.550039999999999 4.61438 6.4857