Ключевые слова: atmosphere, below zero, celsius, climate change, cold weather, cool, copy space, crystal, december, degree, device, environmental, extreme, fahrenheit, falling, february, forecast, frost, frozen, graph, heat, instrument, january, measurement, measuring, melting, meteo, meteorology, minus, no people, number, outside, protection, real snow, room, scale, shine, snowfall, snowflake, snowy, social issues, storm, temperature, thermometer, tool, vitamin, warm, weather, wooden background, zero,