condition mean min max 4 h after light 250.08721 169.616672 330.557748 8 h after light 209.875666 168.30641 251.444922 12 h after light 388.6901235 280.471459 496.908788 4 h after dark 917.4896565 441.623664 1393.355649 8 h after dark 854.6670039999999 849.472148 859.86186 12 h after dark 851.973736 851.973736 851.973736