condition	mean	min	max
3 h after light	18.131458333333335	7.9935	32.0201
7 h after light	15.76868	9.88326	27.3098
11 h after light	19.644039166666666	9.93487	30.0103
2 h after dark	20.1991	12.4365	28.6192
6 h after dark	19.726266666666668	12.4542	31.013
10 h after dark	19.2236	9.4372	29.3945