condition	mean	min	max
4 h after light	5.69337	5.524780000000001	5.80757
8 h after light	5.42906	5.13276	5.76227
12 h after light	5.5083166666666665	5.38082	5.6227800000000006
4 h after dark	5.65881	5.53641	5.73096
8 h after dark	5.571786666666666	5.4855599999999995	5.64799
12 h after dark	5.366123333333333	5.25054	5.5879