condition	mean	min	max
4 h after light	12.337303333333333	10.88723	15.19713
8 h after light	16.72632	13.389370000000001	20.49798
12 h after light	11.524397333333333	5.520969	19.20983
16 h after light	14.890947666666667	9.012933	20.18839
4 h after dark	10.344238333333333	6.564344999999999	13.311279999999998
8 h after dark	7.867139	5.791030999999999	9.943872