A world map shows the percent households with T V. Dark green (more than 350): Canada, U S A, Greenland, U K, Russia, and Australia. Green to light green (50 to 350): Argentina, Brazil, China, India. Very light green (less than 50): Most parts of Africa.
Class | Rank | Percent households with TV | Lightning Frequency | <0.1 flashes/km²/year | 0.1 flashes/km²/year | 0.2 flashes/km²/year | 0.4 flashes/km²/year | 0.6 flashes/km²/year | 0.8 flashes/km²/year | 1 flash/km²/year | 2 flashes/km²/year | 4 flashes/km²/year | 6 flashes/km²/year | 8 flashes/km²/year | 10 flashes/km²/year | 20 flashes/km²/year | 30 flashes/km²/year | High | Less than 20°F | 20–29°F | 30–39°F | 40–49°F | 50–54°F | 55–59°F | Areas of Strong Tornado Occurrence | Areas of Strong Tornado Occurrence | Areas of Strong Tornado Occurrence | Areas of Strong Tornado Occurrence | |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
24.4% | 16.4% | 8.63% | 6.27% | 9.50% | 4.67% | 3.58% | 14.1% | 25.7% | 10.1% | 11.3% | 14.8% | 42.6% | 30.6% | 47.1% | 1 | 69.8% | 31.1% | 23.3% | 22.8% | 21.0% | 7.07% | 43.92 | 15.166666666666666 | 4.954545454545454 | 1.4285714285714286 |