condition mean min max 3 h after light 0.022067133333333336 0.0 0.0380532 6 h after light 0.017821533333333334 0.0 0.0283632 9 h after light 0.029281866666666666 0.0 0.0642537 12 h after light 0.017986966666666666 0.0 0.0312458 3 h after dark 0.0 0.0 0.0 6 h after dark 0.0110188 0.0 0.0330564 9 h after dark 0.0140258 0.0 0.0420774 12 h after dark 0.0 0.0 0.0