condition	mean	min	max
4 h after light	8.726234999999999	8.381645	9.070825
8 h after light	8.006935499999999	7.847117	8.166754
12 h after light	12.504446999999999	9.070825	15.938069
4 h after dark	8.921458000000001	8.292823	9.550093
8 h after dark	10.199223	9.070825	11.327621
12 h after dark	9.090412	9.090412	9.090412