MapMaster 3
Atlas (Beta)Average Distribution of Dew Point Temperatures, January
United StatesPhysical EnvironmentAverage January dew points for the contiguous United States
A map displays the average distribution of dew point temperatures across North America in January, using different colors to represent various temperature ranges.
Less than 20 degrees Fahrenheit (Red): Covers most of the United States, excluding the southern and coastal areas, extending into Canada and northern Mexico.
20 degrees Fahrenheit (Blue): North Texas, Oklahoma, Arkansas, Tennessee, North Carolina, Kentucky, eastern Washington, Eastern Oregon, Idaho, and some part of Utah.
30 degrees Fahrenheit (Purple): Most of California along the coast, western Oregon, western Washington, central Texas, northern Louisiana, Alabama, Georgia, and South Coalinga.
40 degrees Fahrenheit (Orange): Covers parts of southern Texas, Louisiana, south of Georgia and north of Florida.
50 degrees Fahrenheit (Yellow): Southcentral region of Florida.
55 degrees Fahrenheit (Green): Restricted to the southern tip of Florida.
Less than 20°F | 20–29°F | 30–39°F | 40–49°F | 50–54°F | 55–59°F | Class | Rank | Percent | 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 69.8% | 31.1% | 23.3% | 22.8% | 21.0% | 7.07% | 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% | ||||