condition mean min max 4 h after light 676.23428 649.645075 702.823485 8 h after light 824.5678355 807.347657 841.788014 12 h after light 884.94838 807.347657 962.549103 4 h after dark 852.244672 787.913293 916.576051 8 h after dark 949.3239390000001 830.222067 1068.425811 12 h after dark 729.693595 729.693595 729.693595