condition mean min max 0 h after light 9.641735 9.47347 9.81 2 h after light 3.66423 2.03133 5.29713 4 h after light 5.526815 4.74866 6.30497 8 h after light 8.781970000000001 7.30894 10.255 12 h after light 10.45832 8.26004 12.6566 2 h after dark 3.09408 1.7131 4.47506 4 h after dark 8.03039 6.80218 9.2586 8 h after dark 10.229845000000001 9.84599 10.6137 12 h after dark 6.399665000000001 4.79886 8.00047