condition	mean	min	max
0 h after light	15.76415	15.3835	16.1448
4 h after light	14.1786	13.5783	14.7789
8 h after light	15.3566	14.9138	15.7994
4 h after dark	17.589100000000002	17.4796	17.6986
8 h after dark	15.21895	14.1408	16.2971
12 h after dark	14.7502	13.8997	15.6007