condition mean min max 4 h after light 4.634865 4.24213 5.0276 8 h after light 3.72666 3.60862 3.8447 12 h after light 3.6661900000000003 3.54956 3.78282 4 h after dark 5.465643333333333 5.0686 6.03232 8 h after dark 6.49776 6.02081 6.81592 12 h after dark 5.441566666666667 5.28695 5.52448