condition mean min max 4 h after light 531.1431494999999 310.69524 751.591059 8 h after light 630.2258420000001 489.462826 770.988858 12 h after light 348.96191250000004 337.35208 360.571745 4 h after dark 476.14547600000003 339.90665 612.384302 8 h after dark 387.1250835 358.295926 415.954241 12 h after dark 271.608004 271.608004 271.608004