condition	mean	min	max
4 h after light	7.70436	6.83427	8.57445
8 h after light	4.104945	3.90623	4.30366
12 h after light	3.377275	2.86229	3.89226
4 h after dark	4.609360000000001	3.67099	5.19193
8 h after dark	7.48453	7.17491	8.00196
12 h after dark	10.181723333333334	9.268	11.7016