condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 9 h after light 0.3626066666666667 0.0 1.08782 12 h after light 1.2653325 0.0 2.90952 3 h after dark 5.95165 0.0 9.9962 6 h after dark 1.7305933333333334 1.24498 2.15892 9 h after dark 0.6852843333333334 0.0 1.13793 12 h after dark 0.4817395 0.0 0.963479