condition	mean	min	max
4 h after light	3.5364649999999997	2.48021	4.59272
8 h after light	4.1505849999999995	3.93506	4.36611
12 h after light	8.26116	6.50822	10.0141
4 h after dark	20.37485	16.6532	24.0965
8 h after dark	9.512744999999999	9.19529	9.8302
12 h after dark	7.889895	6.34732	9.43247