condition mean min max 3 h after light 5.7361233333333335 2.81205 8.1384 6 h after light 3.89528 3.00224 5.01992 9 h after light 2.5070733333333335 1.16194 4.38834 12 h after light 3.1890025 1.96881 5.03256 3 h after dark 1.8572213333333332 0.689954 3.01679 6 h after dark 1.53371 1.25573 1.70587 9 h after dark 2.3597466666666667 2.06173 2.53211 12 h after dark 0.9271255 0.825211 1.02904