condition	mean	min	max
4 h after light	902.7	902.7	902.7
8 h after light	1072.6	837.6	1307.6
12 h after light	1072.1	790.1	1354.1
4 h after dark	637.65	517.3	758.0
8 h after dark	543.5	518.8	568.2
12 h after dark	522.05	520.2	523.9