condition	mean	min	max
4 h after light	3.177135	2.9107	3.44357
8 h after light	3.2272100000000004	3.17456	3.27986
12 h after light	3.3514299999999997	3.32327	3.37959
4 h after dark	5.46339	5.13163	5.79515
8 h after dark	5.048205	5.00173	5.09468
12 h after dark	3.665255	3.63041	3.7001