condition	mean	min	max
2 h after light	14.389166666666666	13.7945	15.2697
6 h after light	18.5159	18.017	19.2687
10 h after light	17.622066666666665	16.7258	18.7701
2 h after dark	16.8054	16.3147	17.1653
6 h after dark	14.8091	13.9966	15.446
10 h after dark	13.2228	12.3307	13.8193