condition mean min max 0 h after light 12.0036 11.9929 12.0143 4 h after light 9.86821 9.60132 10.1351 8 h after light 9.13337 9.11072 9.15602 4 h after dark 12.9102 11.8837 13.9367 8 h after dark 12.7621 12.5497 12.9745 12 h after dark 12.69715 12.1343 13.26