condition mean min max 4 h after light 469.41846 435.310983 503.525937 8 h after light 524.7451165 472.571812 576.918421 12 h after light 642.9338055000001 580.465309 705.402302 4 h after dark 799.2734515 676.413527 922.133376 8 h after dark 779.385381 682.181546 876.589216 12 h after dark 442.079471 442.079471 442.079471