condition	mean	min	max
4 h after light	17.3128	17.3048	17.3208
8 h after light	12.1582	10.3131	14.0033
12 h after light	10.3004	10.1187	10.4821
4 h after dark	16.5327	16.1777	16.7111
8 h after dark	10.600663333333333	9.86049	11.3496
12 h after dark	12.34026	9.43448	14.0107