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Average Distribution of Dew Point Temperatures, January

United StatesPhysical Environment

Average 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.

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Display by:	Average Distribution of Dew Point Temperatures, January						Cold Front	Farm Area (Acreage)
	Less than 20°F	20–29°F	30–39°F	40–49°F	50–54°F	55–59°F	Cold Front	Class	Rank	Acres
District of Columbia		100%
Alabama		29.3%	1.30%						35	8.80e+6
Alaska									52	8.30e+5
Alberta									4	5.05e+7
Arizona	32.8%	60.8%	2.30%						16	2.60e+7
Arkansas		79.0%	21.0%						25	1.38e+7
British Columbia									42	6.45e+6
California	10.8%	23.3%	1.46%						18	2.55e+7
Colorado	100%						5.40%		11	3.17e+7
Connecticut	99.9%								58	4.40e+5
Delaware		99.1%							56	5.00e+5
Florida			14.7%	56.6%	21.0%	7.07%	3.68%		33	9.45e+6
Georgia		26.7%	54.5%	18.7%					34	9.30e+6
Hawaii									49	1.12e+6
Idaho	84.3%	6.93%							28	1.18e+7
Illinois	94.0%	5.95%							15	2.69e+7
Indiana	92.1%	7.40%							22	1.47e+7
Iowa	100%						3.53%		12	3.05e+7
Kansas	96.6%	3.36%					5.13%		5	4.60e+7
Kentucky	3.74%	91.2%							26	1.30e+7
Louisiana			61.7%	37.9%					39	7.75e+6
Maine	99.5%								47	1.45e+6
Manitoba									19	1.80e+7
Maryland	34.3%	32.0%							46	2.02e+6
Massachusetts	98.2%								55	5.20e+5
Michigan	98.1%								32	9.95e+6
Minnesota	100%						6.20%		17	2.59e+7
Mississippi		21.7%	78.0%						31	1.08e+7
Missouri	80.4%	18.4%							14	2.83e+7
Montana	99.9%								3	5.97e+7
Nebraska	100%						2.25%		6	4.52e+7
Nevada	73.6%	6.36%							43	5.96e+6
New Brunswick									51	9.38e+5
New Hampshire	100%								57	4.70e+5
New Jersey	73.8%	25.8%							53	7.20e+5
New Mexico	81.8%	1.03%							8	4.32e+7
New York	96.9%								41	7.20e+6
Newfoundland and Labrador									59	7.73e+4
North Carolina		84.2%	3.43%						36	8.30e+6
North Dakota	100%								9	3.92e+7
Northwest Territories									62	869
Nova Scotia									50	1.02e+6
Ohio	96.3%	3.50%							24	1.40e+7
Oklahoma	17.8%	81.3%							10	3.42e+7
Ontario							1.22%		27	1.27e+7
Oregon	27.3%	19.8%	23.7%						20	1.64e+7
Pennsylvania	99.4%								40	7.70e+6
Prince Edward Island									54	5.94e+5
Québec									37	8.26e+6
Rhode Island	3.92%								60	7.00e+4
Saskatchewan									2	6.16e+7
South Carolina		41.6%	58.3%						44	5.00e+6
South Dakota	100%								7	4.33e+7
Tennessee		100%							30	1.09e+7
Texas	10.9%	44.9%	29.3%	14.1%					1	1.30e+8
Utah	93.9%	5.41%					5.42%		29	1.10e+7
Vermont	99.7%								48	1.25e+6
Virginia	20.5%	1.66%							38	8.10e+6
Washington	29.2%	45.9%	22.8%						21	1.47e+7
West Virginia	67.8%	31.4%							45	3.60e+6
Wisconsin	99.5%								23	1.44e+7
Wyoming	100%								13	3.04e+7
Yukon									61	2.63e+4

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