condition mean min max 1 h after light 7.4701737815 7.342481775 7.597865787999999 3 h after light 7.241956470666667 6.302851519 7.977292577 5 h after light 7.904589469 5.777791415 8.994502963 7 h after light 8.429802337333333 7.572250156 9.221166987 9 h after light 6.748193329333334 5.326146018999999 8.434470789 11 h after light 10.880109767 8.772725571 13.33075456 1 h after dark 9.824320491666667 8.664958265 10.82135586 3 h after dark 7.385696626666666 6.924116228 8.260108824 5 h after dark 8.973500836666666 8.112815142999999 10.20663356 7 h after dark 8.788773749 8.366709751 9.536056972 9 h after dark 6.747651354333334 5.55078897 7.377469005 11 h after dark 6.289233322 4.8797554419999996 7.538462200000001