condition	mean	min	max
4 h after light	7.55363	7.4082	7.7637
8 h after light	7.484726666666667	7.367380000000001	7.626469999999999
12 h after light	7.170066666666667	7.05502	7.363510000000001
4 h after dark	7.596303333333333	7.46863	7.749230000000001
8 h after dark	7.68072	7.64651	7.722410000000001
12 h after dark	7.667416666666667	7.382960000000001	7.998069999999999