condition	mean	min	max
4 h after light	110.711	108.368	113.054
8 h after light	87.0141	81.4804	92.5478
12 h after light	55.87535	53.3808	58.3699
4 h after dark	20.9737	18.8254	22.8265
8 h after dark	30.089966666666665	27.4425	34.0351
12 h after dark	67.85786666666667	64.8325	71.4875