condition	mean	min	max
4 h after light	15.4024	15.0417	15.7631
8 h after light	12.9373	12.4289	13.4457
12 h after light	16.6447	14.7203	18.5691
4 h after dark	27.8974	26.0634	30.3691
8 h after dark	22.5536	17.8479	25.8059
12 h after dark	23.896066666666666	22.0571	25.7201