condition mean min max 4 h after light 2.00648 1.5977 2.41526 8 h after light 2.351215 1.95684 2.74559 12 h after light 2.286475 1.25187 3.32108 4 h after dark 2.302955 2.11911 2.4868 8 h after dark 3.8220650000000003 3.65628 3.98785 12 h after dark 2.59816 2.55192 2.6444