condition mean min max 3 h after light 0.2197166 0.0794908 0.326697 6 h after light 0.29821633333333336 0.179852 0.434773 9 h after light 1.3081960000000001 0.890788 1.96974 12 h after light 1.499063 0.263992 2.00329 3 h after dark 1.6488656666666666 0.941347 2.3682 6 h after dark 0.6529696666666667 0.489349 0.883941 9 h after dark 0.22045633333333334 0.186365 0.264539 12 h after dark 0.29733 0.189352 0.405308