condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.264015 0.123457 0.480212 12 h after light 0.4952956666666667 0.13208 0.85302 4 h after dark 0.192169 0.0 0.576507 8 h after dark 0.37700333333333336 0.0 1.13101 12 h after dark 0.0 0.0 0.0