condition mean min max 3 h after light 1.2117786666666666 0.226335 3.79753 7 h after light 2.0869678333333335 0.897463 4.30329 11 h after light 2.1390035833333334 0.964043 4.43015 2 h after dark 2.492734 0.559727 4.367 6 h after dark 0.8668565 0.214549 1.85332 10 h after dark 0.6108563333333333 0.0 1.31612