condition	mean	min	max
4 h after light	38.6059	37.546	39.6658
8 h after light	22.8567	22.7099	23.0035
12 h after light	16.690649999999998	16.2354	17.1459
4 h after dark	20.549300000000002	20.5149	20.5837
8 h after dark	29.7511	29.4619	30.0403
12 h after dark	33.3527	33.3003	33.4051