condition	mean	min	max
4 h after light	6.830993333333334	6.54996	7.000560000000001
8 h after light	6.436473333333334	6.34807	6.5349
12 h after light	7.12318	6.774789999999999	7.3881
4 h after dark	6.672913333333334	6.2889800000000005	7.06072
8 h after dark	6.84659	6.36456	7.19481
12 h after dark	6.741573333333333	6.53063	6.88925