condition	mean	min	max
0 h after light	8.17249	7.64324	8.70174
4 h after light	8.64211	8.28743	8.99679
8 h after light	9.900955	9.88557	9.91634
4 h after dark	11.870349999999998	11.4492	12.2915
8 h after dark	10.69095	10.0304	11.3515
12 h after dark	8.043415	7.73644	8.35039