condition	mean	min	max
4 h after light	4724.006111	3722.93	6011.255
8 h after light	2973.6105556666666	1756.076667	3760.285
12 h after light	1324.117778	1210.606667	1452.726667
1.5 h after dark	649.5611111333334	512.76	761.2266667
5.5 h after dark	579.4922222333333	247.63	1048.98
9.5 h after dark	2466.755555333333	1254.28	3159.273333