condition	mean	min	max
4 h after light	15.1318995	11.554087	18.709712
8 h after light	16.791683499999998	14.085172	19.498195
12 h after light	17.405956500000002	16.688906	18.123007
4 h after dark	17.3011925	15.715695	18.88669
8 h after dark	16.3937065	16.197631	16.589782
12 h after dark	18.112676	18.112676	18.112676