condition	mean	min	max
2 h after light	21.5125	20.6252	22.7746
6 h after light	19.3067	17.6574	20.6011
10 h after light	20.24406666666667	19.6273	21.1251
2 h after dark	14.8522	14.1707	15.5416
6 h after dark	15.0867	14.4801	16.2211
10 h after dark	16.315666666666665	15.7715	16.8551