condition mean min max 2 h after light 7.061023333333334 4.62739 11.4191 6 h after light 10.59475 8.36772 14.8953 10 h after light 13.665099999999999 12.3707 15.3083 2 h after dark 13.823566666666666 11.0361 15.6725 6 h after dark 13.03317 8.86761 17.8346 10 h after dark 11.4161 11.0181 12.1801