condition mean min max 3 h after light 37.25196666666667 28.9772 46.3753 6 h after light 189.01733333333334 122.312 245.673 9 h after light 425.723 367.284 474.939 12 h after light 298.6725 27.613 427.893 3 h after dark 150.57766666666666 136.113 158.429 6 h after dark 56.0692 48.797 61.0553 9 h after dark 28.403299999999998 24.6816 34.5057 12 h after dark 19.4539 15.7927 23.1151