condition	mean	min	max
4 h after light	9.200990000000001	8.89349	9.50849
8 h after light	8.232645	8.17737	8.28792
12 h after light	10.288250000000001	10.2809	10.2956
4 h after dark	12.3886	12.172	12.6052
8 h after dark	12.4211	11.7188	13.1234
12 h after dark	12.2913	12.0387	12.5439