condition	mean	min	max
4 h after light	9.957139999999999	9.68098	10.2333
8 h after light	8.727555	8.1857	9.26941
12 h after light	9.74408	9.70265	9.78551
4 h after dark	14.131966666666667	13.6992	14.7701
8 h after dark	16.188	14.8361	17.5705
12 h after dark	10.8127	9.4852	11.8322