condition mean min max 4 h after light 10.2707595 10.012826 10.528693 8 h after light 10.0909565 9.42189 10.760023 12 h after light 11.338368 10.902256 11.77448 4 h after dark 10.361106 10.193519 10.528693 8 h after dark 10.2258385 9.549421 10.902256 12 h after dark 9.969787 9.969787 9.969787