condition mean min max 4 h after light 16.90715 7.74985 25.68 8 h after light 9.38641 3.50652 15.1507 12 h after light 11.001539999999999 6.68532 17.4458 4 h after dark 16.044616666666666 8.27035 20.086 8 h after dark 11.334143333333333 8.37863 13.4918 12 h after dark 23.8809 19.7345 27.1892