condition mean min max 3 h after light 0.06886233333333333 0.0 0.206587 6 h after light 0.02148876666666667 0.0 0.0644663 9 h after light 0.0324536 0.0 0.0973608 12 h after light 0.0 0.0 0.0 3 h after dark 0.0 0.0 0.0 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