condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 0.01841373333333333 0.0 0.0552412 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0340557 0.0 0.0537533 12 h after dark 0.0 0.0 0.0