condition mean min max 4 h after light 418.462826 396.001288 440.924364 8 h after light 375.42548750000003 359.968742 390.882233 12 h after light 235.065245 161.340772 308.789718 4 h after dark 279.399684 215.616672 343.182696 8 h after dark 269.7112235 255.572989 283.849458 12 h after dark 306.33138 306.33138 306.33138