condition mean min max 4 h after light 13.8397 11.3755 16.3039 8 h after light 9.74673 8.22896 11.2645 12 h after light 100.34385 71.2887 129.399 4 h after dark 198.07150000000001 182.978 213.165 8 h after dark 112.97225 95.5655 130.379 12 h after dark 41.97825 35.4179 48.5386