condition mean min max 0 h after light 6.4032 6.26221 6.54419 2 h after light 3.388875 2.81189 3.96586 4 h after light 3.67433 3.3262 4.02246 8 h after light 5.37172 5.23659 5.50685 12 h after light 6.40906 6.08581 6.73231 2 h after dark 6.344035 5.90557 6.7825 4 h after dark 6.165525000000001 5.96359 6.36746 8 h after dark 9.2272 8.81467 9.63973 12 h after dark 6.266360000000001 5.80588 6.72684