condition	mean	min	max
4 h after light	7.4087966666666665	6.90415	7.87147
8 h after light	7.79643	5.4993	9.41235
12 h after light	11.492833333333333	10.4046	12.5561
4 h after dark	19.0614	15.7177	22.1046
8 h after dark	10.401513333333334	9.53243	11.874
12 h after dark	8.91441	8.81628	8.98506