condition	mean	min	max
4 h after light	7.159795	6.84504	7.47455
8 h after light	14.2177	14.1125	14.3229
12 h after light	29.3216	28.8023	29.8409
4 h after dark	34.548	33.7351	35.3609
8 h after dark	19.32315	18.752	19.8943
12 h after dark	13.0595	12.5857	13.5333