condition	mean	min	max
4 h after light	7.726755	7.5396	7.91391
8 h after light	9.533505	9.02671	10.0403
12 h after light	7.548315	7.25475	7.84188
4 h after dark	11.25515	10.1883	12.322
8 h after dark	9.537685	9.30884	9.76653
12 h after dark	9.589515	9.36063	9.8184