condition mean min max 0 h after light 1.1399249999999999 1.08094 1.19891 4 h after light 0.47875449999999997 0.36648 0.591029 8 h after light 0.3033905 0.118614 0.488167 4 h after dark 1.5947204999999998 0.588741 2.6007 8 h after dark 1.6025099999999999 1.18078 2.02424 12 h after dark 1.0697455 0.702731 1.43676