condition	mean	min	max
4 h after light	13.929079999999999	9.33664	21.6695
8 h after light	6.426687333333333	0.922862	10.4173
12 h after light	6.20944	2.01023	9.90021
4 h after dark	6.417706666666667	3.92846	8.00854
8 h after dark	12.16035	9.80305	14.5078
12 h after dark	29.9384	28.751	30.5348