condition	mean	min	max
4 h after light	1833.245	1790.7	1875.79
8 h after light	4051.535	4018.8	4084.27
12 h after light	4008.955	3848.91	4169.0
4 h after dark	1014.4966666666667	1001.11	1035.63
8 h after dark	368.497	272.869	430.21
12 h after dark	406.598	389.729	415.291