condition	mean	min	max
4 h after light	6.331239999999999	5.72396	6.93852
8 h after light	5.895614999999999	5.64671	6.14452
12 h after light	8.029599999999999	7.8363	8.2229
4 h after dark	10.781675	9.91025	11.6531
8 h after dark	8.128095	7.93775	8.31844
12 h after dark	7.572979999999999	7.43601	7.70995