condition mean min max 0 h after light 1.480709 0.696608 2.26481 2 h after light 1.102297 0.908114 1.29648 4 h after light 4.47096 2.69576 6.24616 8 h after light 7.33799 6.82379 7.85219 12 h after light 6.422045 6.01164 6.83245 2 h after dark 7.85059 6.82843 8.87275 4 h after dark 6.325225 5.80915 6.8413 8 h after dark 5.163245 4.185 6.14149 12 h after dark 1.1059215 0.830373 1.38147