condition mean min max 4 h after light 3.2616699999999996 2.12562 4.39772 8 h after light 5.8270599999999995 5.69417 5.95995 12 h after light 7.076485 6.59735 7.55562 4 h after dark 8.486823333333334 7.95666 8.91962 8 h after dark 6.121736666666667 5.82552 6.70058 12 h after dark 5.140403333333333 4.53077 5.63579