condition	mean	min	max
4 h after light	5.97636	5.76234	6.14966
8 h after light	5.8356	5.50595	6.13784
12 h after light	5.913283333333333	5.67295	6.03469
4 h after dark	5.95859	5.80485	6.1581
8 h after dark	6.035873333333334	5.9318800000000005	6.09619
12 h after dark	5.946993333333333	5.67195	6.09219