condition	mean	min	max
4 h after light	16.78285	16.4586	17.1071
8 h after light	6.215585	6.07881	6.35236
12 h after light	4.368354999999999	3.75758	4.97913
4 h after dark	10.673166666666667	10.615	10.7351
8 h after dark	13.165533333333332	11.9072	14.3365
12 h after dark	17.527733333333334	16.4444	18.8505