condition	mean	min	max
0 h after light	9.487010000000001	8.26242	10.7116
4 h after light	6.373785	3.83355	8.91402
8 h after light	7.64325	7.3706	7.9159
4 h after dark	5.7403200000000005	5.25072	6.22992
8 h after dark	8.17175	8.13746	8.20604
12 h after dark	9.132195	8.07159	10.1928