condition mean min max 4 h after light 9.853425999999999 9.229414 10.477438 8 h after light 11.2811645 10.807017 11.755312 12 h after light 10.25899 9.794265 10.723715 4 h after dark 10.7751705 10.723715 10.826626 8 h after dark 12.221302000000001 10.723715 13.718889 12 h after dark 10.723715 10.723715 10.723715