condition	mean	min	max
3 h after light	7.495559999999999	6.48032	8.50584
6 h after light	8.310083333333333	6.29913	10.0468
9 h after light	9.028126666666667	7.46431	11.301
12 h after light	9.7157575	7.81144	11.282
3 h after dark	9.877583333333334	8.89926	11.0712
6 h after dark	8.278603333333333	7.91906	8.52726
9 h after dark	6.48111	5.71062	7.92289
12 h after dark	6.41659	6.19162	6.64156