condition	mean	min	max
4 h after light	1356.975	1337.94	1376.01
8 h after light	1369.295	1359.39	1379.2
12 h after light	1059.2350000000001	989.58	1128.89
4 h after dark	1926.185	1821.1	2031.27
8 h after dark	1703.315	1666.77	1739.86
12 h after dark	1779.94	1720.39	1839.49