condition mean min max 0 h after light 1.141737 0.943954 1.33952 2 h after light 2.0758099999999997 1.83053 2.32109 4 h after light 4.946985 4.83675 5.05722 8 h after light 3.8028899999999997 3.4563 4.14948 12 h after light 10.553954999999998 9.69611 11.4118 2 h after dark 7.91768 7.86287 7.97249 4 h after dark 6.158525 5.8972 6.41985 8 h after dark 3.54127 2.84737 4.23517 12 h after dark 1.678095 1.37403 1.98216