condition	mean	min	max
4 h after light	1307.7751305000002	1287.097506	1328.452755
8 h after light	1006.153161	986.249124	1026.057198
12 h after light	1240.0362565	1224.112948	1255.959565
4 h after dark	913.9886065	670.924364	1157.052849
8 h after dark	983.0985565000001	678.238039	1287.959074
12 h after dark	1677.300414	1677.300414	1677.300414