condition mean min max 0 h after light 11.94975 11.9195 11.98 2 h after light 4.53931 3.27576 5.80286 4 h after light 3.94828 3.87739 4.01917 8 h after light 12.2821 10.0765 14.4877 12 h after light 6.63877 5.93273 7.34481 2 h after dark 9.33446 8.67811 9.99081 4 h after dark 12.2051 11.8895 12.5207 8 h after dark 16.3173 15.1864 17.4482 12 h after dark 14.36085 13.399 15.3227