condition	mean	min	max
3 h after light	20.267225	14.2301	37.5579
7 h after light	18.5885725	8.93177	24.2664
11 h after light	18.630341666666666	12.8529	22.8985
2 h after dark	17.312091666666667	11.1233	24.0109
6 h after dark	18.385589166666666	9.63357	24.9311
10 h after dark	18.1633	10.1287	27.6974