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 0.0 0.0 0.0 4 h after dark 0.03767533333333333 0.0 0.113026 8 h after dark 0.015681066666666667 0.0 0.0470432 12 h after dark 0.0 0.0 0.0