condition mean min max 0 h after light 0.0199439 0.0 0.0398878 2 h after light 0.0 0.0 0.0 4 h after light 0.0195496 0.0 0.0390992 8 h after light 0.0 0.0 0.0 12 h after light 0.02003075 0.0 0.0400615 2 h after dark 0.0615975 0.0 0.123195 4 h after dark 0.0 0.0 0.0 8 h after dark 0.02163275 0.0 0.0432655 12 h after dark 0.0 0.0 0.0