condition	mean	min	max
0 h after light	10.006565	9.88383	10.1293
4 h after light	16.33885	15.8166	16.8611
8 h after light	21.24915	21.0238	21.4745
4 h after dark	25.30755	25.0338	25.5813
8 h after dark	18.6057	18.3975	18.8139
12 h after dark	12.89995	10.3785	15.4214