condition	mean	min	max
0 h after light	8.113499999999998	8.05426	8.17274
4 h after light	5.77765	5.61232	5.94298
8 h after light	6.4080449999999995	6.03005	6.78604
4 h after dark	7.36365	7.24686	7.48044
8 h after dark	6.0892800000000005	5.93496	6.2436
12 h after dark	7.14307	6.29459	7.99155