condition	mean	min	max
4 h after light	10.37865	9.1626	11.5947
8 h after light	7.42174	6.85573	7.98775
12 h after light	8.339970000000001	7.19918	9.48076
4 h after dark	12.877949999999998	12.3051	13.4508
8 h after dark	10.66685	10.3201	11.0136
12 h after dark	11.73675	11.6234	11.8501