condition	mean	min	max
0 h after light	9.141169999999999	8.01674	10.2656
4 h after light	8.753135	6.48747	11.0188
8 h after light	10.60739	9.80338	11.4114
4 h after dark	16.433149999999998	15.8947	16.9716
8 h after dark	14.5311	14.2835	14.7787
12 h after dark	8.876505	7.59391	10.1591