condition	mean	min	max
0 h after light	38.82705	38.1618	39.4923
4 h after light	23.9925	22.3365	25.6485
8 h after light	18.874049999999997	17.8755	19.8726
4 h after dark	25.073549999999997	24.9854	25.1617
8 h after dark	26.30305	25.5559	27.0502
12 h after dark	30.144199999999998	24.5361	35.7523