condition	mean	min	max
4 h after light	7.783376666666666	7.73083	7.875539999999999
8 h after light	7.588306666666667	7.5233	7.63745
12 h after light	7.624996666666667	7.414460000000001	7.79789
4 h after dark	7.82812	7.59938	8.099730000000001
8 h after dark	7.820309999999999	7.640039999999999	7.934419999999999
12 h after dark	7.701763333333333	7.67363	7.7289699999999995