condition	mean	min	max
2 h after light	15.59355	11.4644	20.181
6 h after light	12.187605	7.68163	17.5483
10 h after light	18.59245	12.4557	26.5235
14 h after light	17.342716666666668	10.7429	31.3401
18 h after light	14.168633333333332	12.8432	16.7942
2 h after dark	29.587283333333335	22.4299	37.0017