condition	mean	min	max
4 h after light	9.1222995	9.105687	9.138912
8 h after light	9.3219525	7.88543	10.758475
12 h after light	8.2408635	8.038721	8.443006
4 h after dark	8.81756	8.733635	8.901485
8 h after dark	8.3938305	7.906656	8.881005
12 h after dark	8.733635	8.733635	8.733635