condition	mean	min	max
3 h after light	13.7473	11.3103	15.6429
6 h after light	12.0802	10.9455	12.8581
9 h after light	14.195	13.2446	15.7685
12 h after light	15.51365	13.3484	18.9251
3 h after dark	20.833133333333333	16.4067	24.7651
6 h after dark	17.316366666666667	16.0497	18.2468
9 h after dark	12.2709	11.0023	14.6275
12 h after dark	9.548635	9.37917	9.7181