condition	mean	min	max
4 h after light	4.19747	4.00825	4.38669
8 h after light	4.17803	3.73307	4.62299
12 h after light	4.05982	3.93511	4.18453
4 h after dark	7.3355999999999995	6.72847	7.94273
8 h after dark	5.971585	5.91113	6.03204
12 h after dark	5.67497	4.9555	6.39444