condition mean min max 0 h after light 0.061413 0.0 0.122826 4 h after light 0.120884 0.0 0.241768 8 h after light 0.0606505 0.0 0.121301 4 h after dark 0.060208 0.0 0.120416 8 h after dark 0.0608855 0.0 0.121771 12 h after dark 0.0 0.0 0.0