condition	mean	min	max
0 h after light	8.027245	7.50563	8.54886
4 h after light	3.600525	3.03405	4.167
8 h after light	3.1310849999999997	3.03111	3.23106
4 h after dark	2.8842	2.26411	3.50429
8 h after dark	4.369625	4.29296	4.44629
12 h after dark	5.52294	3.65961	7.38627