condition mean min max 0 h after light 6.981535 6.61537 7.3477 2 h after light 5.53173 5.5226 5.54086 4 h after light 7.833275 7.77121 7.89534 8 h after light 6.573105 5.36793 7.77828 12 h after light 7.556775 7.38241 7.73114 2 h after dark 7.936259999999999 7.35115 8.52137 4 h after dark 10.359 10.2438 10.4742 8 h after dark 10.902149999999999 10.8203 10.984 12 h after dark 8.679085 8.5187 8.83947