condition mean min max 4 h after light 11.580161 10.606446 12.553876 8 h after light 12.011167 11.957917 12.064417 12 h after light 10.023641999999999 9.900585 10.146699 4 h after dark 11.514783 10.270458 12.759108 8 h after dark 11.45665 11.309123 11.604177 12 h after dark 11.309123 11.309123 11.309123