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 0.03596103333333333 0.0 0.0634399 3 h after dark 0.0 0.0 0.0 6 h after dark 0.032036166666666664 0.0 0.0961085 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0