condition	mean	min	max
3 h after light	15.6691	11.6219	20.902
6 h after light	12.0299	9.39839	17.0697
9 h after light	15.019133333333333	13.5845	15.8973
12 h after light	11.839765	8.74656	14.6227
3 h after dark	5.82411	5.19605	6.60125
6 h after dark	5.867356666666667	5.40291	6.35247
9 h after dark	6.839663333333333	5.37916	8.25287
12 h after dark	7.525255	7.07271	7.9778