condition	mean	min	max
4 h after light	7.47864	7.12495	7.7215300000000004
8 h after light	7.56778	7.18589	7.783119999999999
12 h after light	7.570376666666666	7.46374	7.68363
4 h after dark	7.515876666666666	7.20803	7.80957
8 h after dark	7.355083333333334	7.061730000000001	7.52597
12 h after dark	7.3598300000000005	7.15475	7.49188