condition	mean	min	max
4 h after light	4.820153333333334	1.97918	6.8168
8 h after light	5.13782	1.78118	8.42009
12 h after light	6.002196666666667	4.07596	7.32321
4 h after dark	9.17881	7.37291	10.8468
8 h after dark	7.53527	4.36191	9.26752
12 h after dark	5.857753333333333	4.8193	7.15836