condition	mean	min	max
4 h after light	5.70523	5.63779	5.79028
8 h after light	5.594846666666667	5.56519	5.625380000000001
12 h after light	5.64277	5.52877	5.7441699999999996
4 h after dark	5.66636	5.65545	5.682169999999999
8 h after dark	5.665243333333334	5.53256	5.80224
12 h after dark	5.60592	5.57564	5.62732