condition	mean	min	max
4 h after light	13.440083333333334	11.8579	15.191320000000001
8 h after light	16.054512666666668	9.067598	25.549970000000002
12 h after light	11.572790000000001	10.41675	13.752460000000001
16 h after light	19.00714333333333	15.63539	24.74556
4 h after dark	31.80768	28.956190000000003	37.444109999999995
8 h after dark	17.404666666666667	12.12855	23.86421