condition	mean	min	max
2 h after light	18.1671	17.6822	18.6977
6 h after light	20.007	19.4833	20.3473
10 h after light	20.8677	19.0065	21.8416
2 h after dark	15.849566666666666	15.3246	16.7655
6 h after dark	13.9343	13.7129	14.0559
10 h after dark	11.6839	11.1495	12.3948