condition mean min max 4 h after light 873.2 873.2 873.2 8 h after light 601.0 424.8 777.2 12 h after light 720.6500000000001 462.1 979.2 4 h after dark 1076.95 965.0 1188.9 8 h after dark 1213.7 875.1 1552.3 12 h after dark 792.4 645.5 939.3