condition	mean	min	max
0 h after light	15.854199999999999	15.0998	16.6086
4 h after light	4.275365	4.26204	4.28869
8 h after light	15.2594	11.8173	18.7015
4 h after dark	9.54569	8.32348	10.7679
8 h after dark	8.323799999999999	7.9087	8.7389
12 h after dark	11.372645	9.11269	13.6326