condition	mean	min	max
4 h after light	8.400355	8.33701	8.4637
8 h after light	5.676565	5.23821	6.11492
12 h after light	4.39817	4.38677	4.40957
4 h after dark	4.671763333333334	4.20375	4.91532
8 h after dark	3.8645466666666666	3.03755	4.64337
12 h after dark	7.245979999999999	6.77462	7.73039