condition mean min max 0 h after light 6.13758 5.65926 6.6159 2 h after light 3.78468 3.49903 4.07033 4 h after light 3.305885 3.14466 3.46711 8 h after light 2.824955 2.51131 3.1386 12 h after light 4.83554 4.57376 5.09732 2 h after dark 4.36237 4.35502 4.36972 4 h after dark 4.39837 4.12196 4.67478 8 h after dark 7.637309999999999 7.40968 7.86494 12 h after dark 6.496335 6.22974 6.76293