condition mean min max 3 h after light 1.4958033333333334 1.14679 1.76288 6 h after light 2.87336 1.44293 4.34673 9 h after light 5.71667 4.11648 8.32583 12 h after light 4.825915 1.8867 8.27331 3 h after dark 3.634583333333333 2.39562 5.12243 6 h after dark 2.99324 2.48645 3.60384 9 h after dark 2.35179 1.99371 2.72918 12 h after dark 1.6317949999999999 1.31557 1.94802