condition mean min max 4 h after light 9.672858000000002 9.204451 10.141265 8 h after light 10.051229 9.961193 10.141265 12 h after light 10.0407035 9.306644 10.774763 4 h after dark 10.7981765 10.141265 11.455088 8 h after dark 10.981603 10.141265 11.821941 12 h after dark 9.835089 9.835089 9.835089