condition mean min max 2 h after light 0.624098 0.350879 1.15396 6 h after light 0.5182755 0.162323 1.57335 10 h after light 0.7133363333333334 0.554877 0.879991 14 h after light 1.0332705 0.452799 1.49208 18 h after light 1.3227303333333333 0.607253 2.11692 2 h after dark 0.799688 0.250513 1.88585