condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 9 h after light 0.0 0.0 0.0 12 h after light 0.11990466666666666 0.0 0.359714 3 h after dark 0.0 0.0 0.0 6 h after dark 0.050664999999999995 0.0 0.151995 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0