condition	mean	min	max
4 h after light	4.39649	1.13746	8.5926
8 h after light	1.4244726666666667	0.806978	2.34038
12 h after light	2.6103169999999998	0.669051	4.20294
4 h after dark	1.8271733333333333	1.73671	1.98925
8 h after dark	1.82585	1.17272	2.34859
12 h after dark	3.28548	2.89645	3.98248