condition mean min max 4 h after light 1096.0361149999999 882.155134 1309.917096 8 h after light 1148.5021035 1145.915378 1151.088829 12 h after light 1029.4818169999999 1020.295636 1038.667998 4 h after dark 750.3294615 645.545052 855.113871 8 h after dark 635.3838760000001 621.913351 648.854401 12 h after dark 590.904961 590.904961 590.904961