condition mean min max 0 h after light 4.0395900000000005 3.85014 4.22904 4 h after light 3.32181 2.88773 3.75589 8 h after light 3.2722300000000004 3.02491 3.51955 4 h after dark 4.62641 4.22362 5.0292 8 h after dark 4.45903 4.23543 4.68263 12 h after dark 4.707129999999999 4.60591 4.80835