condition mean min max 4 h after light 0.809096 0.368511 1.62781 8 h after light 0.2819646666666667 0.127397 0.529019 12 h after light 0.342676 0.176037 0.558931 4 h after dark 0.2974943333333333 0.235005 0.346435 8 h after dark 0.19200966666666666 0.138852 0.231622 12 h after dark 0.13023200000000001 0.103813 0.165116