condition	mean	min	max
4 h after light	8.04354	7.773689999999999	8.244439999999999
8 h after light	8.136403333333334	7.932410000000001	8.358419999999999
12 h after light	8.324586666666667	7.9478100000000005	8.61608
4 h after dark	7.9693499999999995	7.86976	8.023639999999999
8 h after dark	7.575596666666667	7.2556899999999995	7.80364
12 h after dark	7.675503333333333	7.53527	7.8212600000000005