condition	mean	min	max
4 h after light	7.63635	7.20086	8.07184
8 h after light	5.872565	5.74151	6.00362
12 h after light	7.091205	6.88897	7.29344
4 h after dark	8.55959	7.6307	9.48848
8 h after dark	8.722294999999999	8.14002	9.30457
12 h after dark	8.38679	8.15495	8.61863