condition	mean	min	max
4 h after light	5.168740000000001	5.1483300000000005	5.194780000000001
8 h after light	5.321196666666667	5.24474	5.4099900000000005
12 h after light	5.106506666666666	5.05892	5.17971
4 h after dark	5.04691	5.01701	5.076919999999999
8 h after dark	5.1093166666666665	5.01255	5.1719599999999994
12 h after dark	5.162646666666666	5.11597	5.23345