condition	mean	min	max
4 h after light	1195.4	1195.4	1195.4
8 h after light	1107.25	1068.4	1146.1
12 h after light	840.5	715.0	966.0
4 h after dark	905.0	618.9	1191.1
8 h after dark	1135.85	935.9	1335.8
12 h after dark	1250.55	990.5	1510.6