condition mean min max 4 h after light 852.0 852.0 852.0 8 h after light 909.25 841.1 977.4 12 h after light 839.4000000000001 820.2 858.6 4 h after dark 1044.6 961.2 1128.0 8 h after dark 1126.8000000000002 1028.2 1225.4 12 h after dark 1043.4499999999998 791.8 1295.1