condition	mean	min	max
4 h after light	1131.4	1131.4	1131.4
8 h after light	1021.0	756.5	1285.5
12 h after light	1232.4	1135.5	1329.3
4 h after dark	1098.85	889.6	1308.1
8 h after dark	1025.25	993.2	1057.3
12 h after dark	1055.85	1044.5	1067.2