condition	mean	min	max
4 h after light	8.256899	7.806343	8.707455
8 h after light	7.9067185	7.452465	8.360972
12 h after light	9.123432000000001	8.964345	9.282519
4 h after dark	12.318189499999999	11.327039	13.30934
8 h after dark	11.376012	9.766399	12.985625
12 h after dark	7.252192	7.252192	7.252192