condition mean min max 4 h after light 710.1 710.1 710.1 8 h after light 893.35 860.6 926.1 12 h after light 850.5999999999999 848.8 852.4 4 h after dark 1031.9 988.6 1075.2 8 h after dark 1058.5 967.9 1149.1 12 h after dark 921.5 884.5 958.5