condition	mean	min	max
4 h after light	5.17811	4.92532	5.5591099999999996
8 h after light	5.125089999999999	4.8282099999999994	5.56619
12 h after light	5.07721	4.95104	5.26581
4 h after dark	5.3182366666666665	5.16369	5.62188
8 h after dark	5.365326666666666	5.147069999999999	5.639130000000001
12 h after dark	5.257103333333333	5.04637	5.55891