condition mean min max 4 h after light 1.6306433333333332 1.15747 2.27228 8 h after light 1.414022 0.323916 2.62973 12 h after light 1.433623 0.622439 2.28792 4 h after dark 3.24662 2.35071 3.72194 8 h after dark 2.11977 1.64337 2.60927 12 h after dark 2.84627 1.70344 3.53647