condition	mean	min	max
4 h after light	12.75235	10.5737	14.931
8 h after light	7.7763349999999996	7.55825	7.99442
12 h after light	10.45295	9.995	10.9109
4 h after dark	17.160566666666668	14.3491	21.06
8 h after dark	21.934533333333334	21.0364	23.37
12 h after dark	20.213766666666668	18.4993	21.9474