condition	mean	min	max
4 h after light	11.231200000000001	10.8902	11.5722
8 h after light	7.171355	6.97605	7.36666
12 h after light	10.412775	8.92045	11.9051
4 h after dark	20.379649999999998	17.4458	23.3135
8 h after dark	15.245899999999999	14.8675	15.6243
12 h after dark	13.99115	13.7945	14.1878