condition	mean	min	max
4 h after light	7.681485	7.26389	8.09908
8 h after light	6.681744999999999	6.6414	6.72209
12 h after light	4.127314999999999	4.12691	4.12772
4 h after dark	9.937506666666666	6.91896	13.107
8 h after dark	11.371033333333333	10.8009	11.9724
12 h after dark	6.8113600000000005	4.48918	10.6666