condition	mean	min	max
2 h after light	7.8473299999999995	7.82381	7.87435
6 h after light	6.91425	6.54736	7.12409
10 h after light	7.657756666666667	6.83437	8.07103
2 h after dark	9.007676666666667	8.27824	9.98505
6 h after dark	9.294	8.81312	9.84832
10 h after dark	9.356803333333334	8.90155	9.9633