condition mean min max 0 h after light 5.193965 4.37573 6.0122 2 h after light 6.87964 6.72259 7.03669 4 h after light 3.563085 3.49911 3.62706 8 h after light 6.586535 6.06493 7.10814 12 h after light 10.76965 10.2352 11.3041 2 h after dark 6.397475 5.51256 7.28239 4 h after dark 6.934189999999999 6.86185 7.00653 8 h after dark 8.86886 8.80724 8.93048 12 h after dark 6.406585 5.83858 6.97459