condition	mean	min	max
4 h after light	8.473513	8.213391	8.733635
8 h after light	9.2124495	8.85116	9.573739
12 h after light	9.583299499999999	8.967939	10.19866
4 h after dark	8.441422500000002	8.221709	8.661136
8 h after dark	8.860509	8.733635	8.987383
12 h after dark	8.733635	8.733635	8.733635