condition mean min max 0 h after light 8.33579 8.06374 8.60784 4 h after light 24.54135 22.5479 26.5348 8 h after light 24.764650000000003 21.9339 27.5954 4 h after dark 9.17351 7.91962 10.4274 8 h after dark 17.12715 17.0553 17.199 12 h after dark 9.6985 7.1288 12.2682