condition	mean	min	max
3 h after light	16.6403	14.3416	20.9901
6 h after light	22.5296	21.371	23.2467
9 h after light	19.1749	15.7735	22.1901
12 h after light	23.261325	15.2964	33.9576
3 h after dark	84.62246666666667	76.7604	94.1609
6 h after dark	49.96446666666667	49.5645	50.5267
9 h after dark	36.6302	26.2978	44.7241
12 h after dark	40.27145	37.7734	42.7695