condition mean min max 3 h after light 4.46889 3.14392 5.39392 6 h after light 4.25533 1.72531 7.66997 9 h after light 1.0933696666666668 0.222109 1.83816 12 h after light 0.70654475 0.437014 1.02059 3 h after dark 0.72947 0.42226 1.06235 6 h after dark 0.932489 0.729612 1.26223 9 h after dark 0.92085 0.827238 1.02551 12 h after dark 1.2625235 0.434147 2.0909