condition	mean	min	max
4 h after light	4.927245	4.70287	5.15162
8 h after light	5.602735	4.98528	6.22019
12 h after light	5.887925	5.57178	6.20407
4 h after dark	10.14916	9.80788	10.3663
8 h after dark	7.42764	7.01398	7.74666
12 h after dark	6.25319	5.37368	6.73574