condition mean min max 4 h after light 1.1922975 0.922905 1.46169 8 h after light 0.8666290000000001 0.654788 1.07847 12 h after light 0.5458375 0.509297 0.582378 4 h after dark 1.0816015 0.996603 1.1666 8 h after dark 1.382435 1.35718 1.40769 12 h after dark 1.0517375 0.802745 1.30073