condition	mean	min	max
4 h after light	4.60202	3.20515	5.99889
8 h after light	7.39595	6.58009	8.21181
12 h after light	8.774135000000001	8.5843	8.96397
4 h after dark	7.1848600000000005	5.74915	8.62057
8 h after dark	5.0943000000000005	4.40001	5.78859
12 h after dark	5.86498	5.82824	5.90172