condition mean min max 4 h after light 55.4996565 41.045423 69.95389 8 h after light 47.5366375 40.39223 54.681045 12 h after light 45.525318999999996 38.148575 52.902063 4 h after dark 45.6134305 42.885128 48.341733 8 h after dark 37.7243695 35.505907 39.942832 12 h after dark 99.33872 99.33872 99.33872