condition mean min max 4 h after light 966.2 966.2 966.2 8 h after light 859.55 791.5 927.6 12 h after light 1087.5500000000002 747.7 1427.4 4 h after dark 1002.25 626.0 1378.5 8 h after dark 810.55 757.3 863.8 12 h after dark 815.25 784.4 846.1