condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.128822 0.123782 0.133132 9 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 3 h after dark 0.06351533333333333 0.0 0.190546 6 h after dark 0.0 0.0 0.0 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0