condition mean min max 4 h after light 0.319574 0.181601 0.457547 8 h after light 0.14232414999999998 0.0992963 0.185352 12 h after light 0.0787496 0.0637175 0.0937817 4 h after dark 0.221864 0.200722 0.243006 8 h after dark 0.4185015 0.325944 0.511059 12 h after dark 0.6791625 0.460252 0.898073