condition	mean	min	max
4 h after light	23.118461	22.983483	23.253439
8 h after light	20.9317085	20.751343	21.112074
12 h after light	21.54522	20.106957	22.983483
4 h after dark	22.240447000000003	20.590907	23.889987
8 h after dark	20.500451499999997	16.244946	24.755957
12 h after dark	27.363445	27.363445	27.363445