condition mean min max 4 h after light 1.717465 1.60735 1.82758 8 h after light 2.5744100000000003 2.52394 2.62488 12 h after light 4.189159999999999 3.81621 4.56211 4 h after dark 3.9262550000000003 3.84381 4.0087 8 h after dark 2.61723 2.49812 2.73634 12 h after dark 2.5014950000000002 2.19767 2.80532