condition	mean	min	max
4 h after light	1326.2866666666666	1009.91	1620.68
8 h after light	879.0273333333333	316.905	1477.21
12 h after light	1103.049	795.537	1404.46
4 h after dark	1303.36	1181.29	1406.59
8 h after dark	1173.2160000000001	990.828	1268.92
12 h after dark	1612.6933333333334	1462.77	1750.5