condition mean min max 2 h after light 0.14698733333333333 0.0 0.267932 6 h after light 0.038216 0.0 0.229296 10 h after light 0.100994 0.0 0.255809 14 h after light 0.0685705 0.0 0.269753 18 h after light 0.20008933333333334 0.0 0.664692 2 h after dark 0.08263383333333334 0.0 0.217395