condition	mean	min	max
0 h after light	7.38884	7.34397	7.43371
4 h after light	3.7211600000000002	3.54495	3.89737
8 h after light	4.345085	3.78423	4.90594
4 h after dark	6.55813	6.25219	6.86407
8 h after dark	5.50666	5.34933	5.66399
12 h after dark	5.13841	5.08183	5.19499