condition mean min max 4 h after light 222.33661 180.979625 263.693595 8 h after light 265.5188195 254.365636 276.672003 12 h after light 277.733479 269.409989 286.056969 4 h after dark 476.781606 396.408652 557.15456 8 h after dark 419.7907335 383.21615 456.365317 12 h after dark 286.286959 286.286959 286.286959