condition mean min max 0 h after light 2.906255 2.74544 3.06707 2 h after light 1.3684705 0.934071 1.80287 4 h after light 1.1573275 0.842135 1.47252 8 h after light 2.082305 2.03287 2.13174 12 h after light 2.80847 2.60132 3.01562 2 h after dark 3.765995 3.47893 4.05306 4 h after dark 3.924425 3.61693 4.23192 8 h after dark 5.035855 4.94448 5.12723 12 h after dark 3.656205 3.48356 3.82885