condition mean min max 1 h after light 8.6755230575 7.92406449 9.426981625 3 h after light 7.223773883 6.55099528 7.798696475 5 h after light 7.9910610879999995 7.516738346 8.632655143 7 h after light 8.947766071666667 8.711438232 9.175669057999999 9 h after light 9.871946697 8.647104506 11.11536545 11 h after light 10.021959588666666 8.341030789 13.03194741 1 h after dark 8.190006818666667 7.025641836 10.48957204 3 h after dark 7.876264376666667 7.5197391289999995 8.224404669 5 h after dark 7.757445794333333 5.401881355 8.977562506 7 h after dark 8.139744023999999 6.340397232999999 11.08464742 9 h after dark 7.024884481666667 6.500938034 7.579721309 11 h after dark 7.215286838 6.844348588 7.512255088