condition	mean	min	max
4 h after light	7.297323333333334	7.11914	7.6398
8 h after light	7.2130366666666665	7.15918	7.31959
12 h after light	7.071843333333334	6.91643	7.271489999999999
4 h after dark	7.158896666666666	7.12098	7.194189999999999
8 h after dark	7.172090000000001	7.1162	7.20131
12 h after dark	7.037070000000001	6.95512	7.173830000000001