condition	mean	min	max
0 h after light	16.14305	14.1775	18.1086
4 h after light	47.3368	41.5852	53.0884
8 h after light	21.7035	16.0554	27.3516
4 h after dark	20.58345	18.1013	23.0656
8 h after dark	16.82555	16.7209	16.9302
12 h after dark	22.322	14.8664	29.7776