condition mean min max 4 h after light 867.7653075000001 628.205378 1107.325237 8 h after light 818.2744245 777.271998 859.276851 12 h after light 467.396014 369.63878 565.153248 4 h after dark 455.12953100000004 393.862766 516.396296 8 h after dark 310.986486 261.702454 360.270518 12 h after dark 711.011352 711.011352 711.011352