condition	mean	min	max
4 h after light	18.128895	15.109312	21.148478
8 h after light	24.938200000000002	17.537508	32.338892
12 h after light	35.771432	15.606366	55.936498
4 h after dark	19.1183445	16.147993	22.088696
8 h after dark	18.555638000000002	18.269097	18.842179
12 h after dark	47.056627	47.056627	47.056627