condition	mean	min	max
4 h after light	28.7881	27.2182	30.358
8 h after light	22.22515	21.0384	23.4119
12 h after light	15.302299999999999	15.1557	15.4489
4 h after dark	17.588299999999997	17.3131	17.8635
8 h after dark	11.040949999999999	11.0389	11.043
12 h after dark	17.059649999999998	16.7472	17.3721