condition mean min max 0 h after light 0.458375 0.367092 0.549658 4 h after light 0.924371 0.541932 1.30681 8 h after light 0.093253 0.0 0.186506 4 h after dark 0.270628 0.179945 0.361311 8 h after dark 0.6346105 0.541345 0.727876 12 h after dark 1.087874 0.894938 1.28081