condition	mean	min	max
4 h after light	7.041703333333333	5.94203	7.66047
8 h after light	7.3965733333333334	6.743589999999999	7.73723
12 h after light	7.43482	6.603910000000001	7.8693100000000005
4 h after dark	8.079876666666667	7.6165899999999995	8.365110000000001
8 h after dark	8.22465	7.64942	8.56692
12 h after dark	8.293636666666668	7.711010000000001	8.63924