condition mean min max 3 h after light 0.04679 0.0 0.14037 6 h after light 0.0 0.0 0.0 9 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 3 h after dark 0.0 0.0 0.0 6 h after dark 0.03771433333333333 0.0 0.113143 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0