condition mean min max 0 h after light 0.5967865 0.325098 0.868475 4 h after light 0.867252 0.772918 0.961586 8 h after light 0.4381415 0.214423 0.66186 4 h after dark 0.3197085 0.2137 0.425717 8 h after dark 0.6973235 0.533635 0.861012 12 h after dark 0.319947 0.216441 0.423453