condition mean min max 2 h after light 0.0 0.0 0.0 6 h after light 0.07877233333333333 0.0 0.472634 10 h after light 0.143612 0.0 0.595884 14 h after light 0.029373649999999998 0.0 0.0911742 18 h after light 0.038054116666666665 0.0 0.139742 2 h after dark 0.01551475 0.0 0.0930885