condition mean min max 2 h after light 0.020368833333333333 0.0 0.122213 6 h after light 0.0 0.0 0.0 10 h after light 0.020295166666666666 0.0 0.121771 14 h after light 0.0224795 0.0 0.134877 18 h after light 0.01757833333333333 0.0 0.10547 2 h after dark 0.0 0.0 0.0