condition	mean	min	max
0 h after light	5.57977	5.35161	5.80793
4 h after light	5.342585	4.08967	6.5955
8 h after light	4.23619	3.17778	5.2946
4 h after dark	19.7384	14.511	24.9658
8 h after dark	9.500685	5.27067	13.7307
12 h after dark	10.998405	9.79811	12.1987