condition	mean	min	max
4 h after light	5.800203333333333	5.530469999999999	5.95544
8 h after light	5.94297	5.603940000000001	6.35337
12 h after light	6.004903333333333	5.36499	6.422000000000001
4 h after dark	5.478883333333334	5.15419	5.660880000000001
8 h after dark	5.224959999999999	5.02936	5.5508
12 h after dark	5.217373333333334	5.00031	5.3425