condition	mean	min	max
4 h after light	11.8205	10.528	13.113
8 h after light	14.676549999999999	13.7737	15.5794
12 h after light	15.024750000000001	14.7051	15.3444
4 h after dark	16.137733333333333	15.4325	17.2143
8 h after dark	15.1135	14.3668	15.7717
12 h after dark	11.541166666666667	10.8064	11.9403