condition	mean	min	max
4 h after light	6.484025000000001	5.34076	7.62729
8 h after light	8.507125	8.24285	8.7714
12 h after light	9.03604	9.00521	9.06687
4 h after dark	7.800333333333334	7.68893	7.9354
8 h after dark	8.935133333333333	7.83127	9.67147
12 h after dark	7.932393333333334	7.14226	8.66326