condition	mean	min	max
0 h after light	7.9438	7.3674	8.5202
4 h after light	8.99935	8.31203	9.68667
8 h after light	14.63415	13.9307	15.3376
4 h after dark	9.001909999999999	8.84315	9.16067
8 h after dark	10.33658	9.62796	11.0452
12 h after dark	7.576919999999999	7.27204	7.8818