condition	mean	min	max
4 h after light	6466.9508355	6140.270518	6793.631153
8 h after light	6004.0174525	5761.364733	6246.670172
12 h after light	6072.106409	5948.949093	6195.263725
4 h after dark	6057.8063095	6035.767219	6079.8454
8 h after dark	5628.696748	5458.4811	5798.912396
12 h after dark	6781.716268	6781.716268	6781.716268