condition	mean	min	max
0 h after light	3.3773999999999997	3.21544	3.53936
4 h after light	9.095455	8.8264	9.36451
8 h after light	21.0119	20.5746	21.4492
4 h after dark	9.289645	7.83089	10.7484
8 h after dark	6.529495000000001	6.18135	6.87764
12 h after dark	4.42756	3.33538	5.51974