condition	mean	min	max
4 h after light	20.1513	20.0564	20.2462
8 h after light	23.96375	23.7513	24.1762
12 h after light	20.104999999999997	19.2262	20.9838
4 h after dark	14.893733333333333	14.0011	16.171
8 h after dark	16.013866666666665	14.7309	16.7846
12 h after dark	18.205533333333335	17.1579	19.935