condition	mean	min	max
0 h after light	7.220219999999999	6.80847	7.63197
4 h after light	8.655895000000001	7.76395	9.54784
8 h after light	8.106625000000001	8.0707	8.14255
4 h after dark	8.32433	8.09739	8.55127
8 h after dark	8.02882	7.64966	8.40798
12 h after dark	6.83992	6.50448	7.17536