condition	mean	min	max
4 h after light	1390.3	1390.3	1390.3
8 h after light	1117.9	851.0	1384.8
12 h after light	849.5	497.1	1201.9
4 h after dark	703.2	418.6	987.8
8 h after dark	843.15	774.0	912.3
12 h after dark	581.2	522.8	639.6