condition mean min max 4 h after light 9.05878 3.8105 15.4656 8 h after light 4.92559 2.599168 8.640761999999999 12 h after light 10.853706666666668 5.423168 20.56999 16 h after light 44.87533666666666 28.68105 72.69711 4 h after dark 13.322523 9.982709 16.30611 8 h after dark 9.496939666666666 6.173268 12.49522