condition mean min max 4 h after light 8.2594 6.74864 9.77016 8 h after light 8.313310000000001 8.30938 8.31724 12 h after light 10.044565 9.13953 10.9496 4 h after dark 12.6863 11.4138 13.9588 8 h after dark 11.2615 11.2531 11.2699 12 h after dark 10.2218 10.0882 10.3554