condition	mean	min	max
4 h after light	6.493545	6.42419	6.5629
8 h after light	5.45542	5.11609	5.79475
12 h after light	5.6766950000000005	5.37184	5.98155
4 h after dark	6.241853333333333	5.86469	6.66174
8 h after dark	6.099456666666667	5.85808	6.22116
12 h after dark	6.47942	5.64052	7.66945