condition	mean	min	max
4 h after light	11.885950000000001	10.3613	13.4106
8 h after light	7.68233	7.63547	7.72919
12 h after light	9.263735	8.58908	9.93839
4 h after dark	10.292583333333333	9.80375	10.7117
8 h after dark	11.7947	11.0254	12.7911
12 h after dark	11.003176666666667	9.75453	11.8136