condition	mean	min	max
4 h after light	5.95282	5.86616	6.05044
8 h after light	5.685336666666667	5.60986	5.76167
12 h after light	5.81743	5.6691199999999995	5.94235
4 h after dark	6.168303333333333	5.96981	6.437790000000001
8 h after dark	5.81448	5.71209	5.93379
12 h after dark	5.863206666666667	5.74022	5.99374