condition mean min max 0 h after light 3.584535 3.29138 3.87769 2 h after light 3.33594 2.98814 3.68374 4 h after light 2.971985 2.72771 3.21626 8 h after light 3.42192 2.68519 4.15865 12 h after light 8.722605000000001 8.68242 8.76279 2 h after dark 8.0654 7.76266 8.36814 4 h after dark 7.456975 6.88055 8.0334 8 h after dark 6.25942 6.2282 6.29064 12 h after dark 3.58851 3.50242 3.6746