condition mean min max 2 h after light 5.56588 3.66166 8.73823 6 h after light 4.1749149999999995 2.84043 6.18312 10 h after light 3.1076716666666666 1.87927 6.44518 14 h after light 3.6849600000000002 2.47407 5.04795 18 h after light 4.12765 3.35242 5.83412 2 h after dark 2.443715 1.30479 3.92537