condition mean min max 4 h after light 4.23659 4.14527 4.32791 8 h after light 4.92098 4.63096 5.211 12 h after light 6.299155000000001 5.99612 6.60219 4 h after dark 5.95381 5.6431 6.26452 8 h after dark 4.967594999999999 4.82891 5.10628 12 h after dark 4.966585 4.8804 5.05277