condition	mean	min	max
4 h after light	7.07638	6.90212	7.184080000000001
8 h after light	7.430416666666667	7.205010000000001	7.62868
12 h after light	7.184293333333334	7.0758600000000005	7.29225
4 h after dark	7.444483333333333	7.4050199999999995	7.4784
8 h after dark	7.53258	7.451280000000001	7.6508199999999995
12 h after dark	7.442726666666667	7.136480000000001	7.62035