condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 9 h after light 0.6217766666666666 0.0 1.86533 12 h after light 3.66799 0.0 6.47081 3 h after dark 2.415313333333333 1.60139 3.92374 6 h after dark 0.0 0.0 0.0 9 h after dark 2.6375966666666666 0.0 7.91279 12 h after dark 1.20814 0.0 1.92208