condition	mean	min	max
3 h after light	7.84786	7.30249	8.21456
6 h after light	8.107	7.71664	8.45323
9 h after light	8.92439	7.0795	10.348
12 h after light	11.7744275	9.34434	14.5229
3 h after dark	15.060233333333333	12.4164	19.2358
6 h after dark	8.323626666666666	6.6474	10.1341
9 h after dark	6.20335	5.76468	6.87309
12 h after dark	6.757735	6.67482	6.84065