condition	mean	min	max
4 h after light	7.81246	7.75758	7.84333
8 h after light	7.8174133333333335	7.66714	8.04637
12 h after light	7.552286666666666	7.468939999999999	7.60887
4 h after dark	7.593163333333334	7.37493	7.8998
8 h after dark	7.7144466666666665	7.609189999999999	7.769369999999999
12 h after dark	7.94198	7.86797	7.98543