condition	mean	min	max
4 h after light	28.9523	27.7678	30.1368
8 h after light	33.04885	32.2257	33.872
12 h after light	27.7378	26.1917	29.2839
4 h after dark	3.73352	3.44937	3.91247
8 h after dark	0.37188733333333335	0.15474	0.562976
12 h after dark	2.424166666666667	2.2743	2.701