condition	mean	min	max
4 h after light	1254.2	1254.2	1254.2
8 h after light	1177.0	1110.8	1243.2
12 h after light	1208.55	1168.3	1248.8
4 h after dark	1114.55	1048.0	1181.1
8 h after dark	961.1	935.0	987.2
12 h after dark	973.75	882.6	1064.9