condition mean min max 0 h after light 0.066779 0.0 0.133558 2 h after light 0.0696435 0.0 0.139287 4 h after light 0.0315145 0.0 0.063029 8 h after light 0.0319097 0.0 0.0638194 12 h after light 0.106213 0.0 0.212426 2 h after dark 0.0319314 0.0 0.0638628 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0