condition	mean	min	max
4 h after light	9.649645	7.85629	11.443
8 h after light	7.951555	7.8955	8.00761
12 h after light	10.61535	9.9087	11.322
4 h after dark	14.2517	13.2147	14.9857
8 h after dark	13.896433333333334	11.3185	17.6291
12 h after dark	7.035336666666667	6.15793	8.53517