condition mean min max 1 h after light 9.477723171000001 9.477723171000001 9.477723171000001 3 h after light 9.714360068 8.333567766 11.09515237 5 h after light 12.086103895 11.57161907 12.60058872 7 h after light 17.694116415 15.02238531 20.36584752 9 h after light 19.213908879999998 18.50338937 19.92442839 11 h after light 23.504472095 21.99309261 25.01585158 1 h after dark 19.750587345 15.63450795 23.86666674 3 h after dark 15.635914360000001 15.29613183 15.97569689 5 h after dark 18.021485745 17.41863218 18.62433931 7 h after dark 25.421028435 19.95869339 30.88336348 9 h after dark 26.96898422 23.12516995 30.81279849 11 h after dark 30.778310724999997 27.19792516 34.35869629