condition mean min max 2 h after light 0.0 0.0 0.0 6 h after light 1.5780783333333332 0.0 9.46847 10 h after light 0.0 0.0 0.0 14 h after light 0.0 0.0 0.0 18 h after light 1.7569166666666665 0.0 10.5415 2 h after dark 0.0 0.0 0.0