condition	mean	min	max
4 h after light	9.039445	8.64278	9.43611
8 h after light	12.667200000000001	12.3965	12.9379
12 h after light	20.085549999999998	18.4244	21.7467
4 h after dark	13.2606	12.7647	13.7565
8 h after dark	11.8737	11.6811	12.0663
12 h after dark	11.05535	10.476	11.6347