condition mean min max 4 h after light 308.404714 188.341924 428.467504 8 h after light 209.9276635 204.233024 215.622303 12 h after light 112.8295665 91.927061 133.732072 4 h after dark 59.100339500000004 26.385078 91.815601 8 h after dark 28.1851725 19.557552 36.812793 12 h after dark 140.996366 140.996366 140.996366