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No. 227.

NORMAL MONTHLY AND ANNUAL DEGREE DAYS, 65° BASE, FOR

SELECTED CITIES
(Based on standard 30-year period (1921 to 1950)]

STATION

Jan.

Feb. Mar. Apr. May June July Aug. Sept. Oct. Nov. Dec.

Annual

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Als Mobile.

416

304 222 Alaska. Juneau.

1, 203 1,056 998 Arti... Phonii.

474 309 196 Ark... Little Rock

719 543 401 Calil... Los Angeles

328 244 212 Sacramento.

614 403 317 San Francisco. 462 336 317 Colo... Denver

1,042 854 797 Conn.. Hartford, 1, 178 1,033 862 Del Wilmington. 983 876 698 D.C... Washington. 884 770 606 Fla... Jacksonville.

331 247 169 Miami.

57 48 15 Atlanta.

632 512 404 Hawaii. llopolulu.

0 0 0 Idaho.. Boise...

1, 169

868 719 Ill..-... Chicago..

1, 243 1,053 868 Peoria.

1, 240 1,028 828 Ind.... Indianapolis.

1, 122

938 772 Iow3... Des Moines. 1, 308 1,072 849 Kans... Wichita.

1,023 778 619 Ky..... Louisville.

933 778 611 La... New Orleans.. 341 223 163 Matne. Portland. 1, 373 1,218 1,039 Md... Baltimore.

955 840 676 Mass... Boston.. 1, 113 1,002 849 Mich... Detroit.

1, 203 1,072 927 Sault Ste. Marie 1, 587 1, 442 1, 302 Minn.. Duluth.

1, 696 1,448 1, 252 Minneapolis. 1, 562 1,310 1,057 Miss... Jackson.

535 405 299 Mo.... Kansas City.

1,085

851 666 St. Louis

983 792 620 Mont.. Great Falls. 1,311 1, 131 (1,008 Nebr.- Omaba.

1, 302 1, 058 831 Nev... Reno..

1,048

804 756 N.H... Concord. 1, 392 1, 226 1,029 NJ Atlantic City. 905 829

729 N. Mex. Albuquerque. 970 714 589 NY--- Albany. 1,318 1,179 989 Buflalo.

1, 225 1, 128 992 New York,

995 904 753 N.C... Charlotte.

704 577 449 Raleigh

732 613 477 N. Dak. Bismarck. 1, 730 1, 464 1, 187 Ohio... Cincinnati. 989 816 682

Cleveland. 1, 132 1,019 874

Columbus. 1,094 946 781
Okla... Oklahoma City. 865 650 490
Oreg... Portland.

791
594

515 P3.... Philadelphia.. 933 837 667 Pittsburgh.

1, 116

986 818 RI.... Providence. 1, 125 1,019 874 F.C. Columbia.

566 468 340 8. Dak. Sioux Falls. 1, 575 1,274 1,023 Tena... Memphis.

725 574 427 Nashville.

636 498 Ter... Dallas.

607 432 288 El Paso..

670 445 330 Houston..

378 240 166 Utab. Salt Lake City - 1,194 885 741 Vt.... Burlington. 1, 460 1,313 107 Va..... Norfolk.

729 644

500 Richmond.

828 708 550 Wash.. Seattle..

753 602 558 Spokane.

1, 243

988 834 W.Va. Charleston.

887 750 632 Wis... Milwaukee. 1,336 1, 142 983 Wyo... Cheyenne.. 1, 225 1,044 1,029 P.R.... San Juan.

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516 856
720 1,057
672 1,035
338 558
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Source: Department of Commerce, Weather Bureau; records.

JUNE

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MAY

APR. 7:00 1:00 7:00 1:00 7:00 1:00 7:00 1:00 7:001:00 7:001:00

MAR.
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FEB.
JAN.
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were made on the AVERAGE RELATIVE HUMIDITY

No.228. (For period of record through 1958. Eastern standard time. Hours selected to give, for most of country,

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1 Airport data. Values adjusted to represent observations taken at present standard location. Source: Department of Commerce, Weather Bureau; records.

19

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El Paso
Houston

W. Va Wis Wyo P.R

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ANNUAL

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DEC.

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appronimation of grerage highest and average lowest humidity values. Relative humidity observations (PERCENT), FOR SELECTED CITIES ball-bour prior to 1957)

NOV.

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OCT,

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Source: Chart prepared by Department of Commerce, Bureau of the Census. Data are from Department o Agriculture, Agricultural Research Service.

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Section 7

Public Lands; Parks; and Recreation

Statistics in this section relate to the Federal public domain and other Federally owned real property, national parks and forests, State and municipal parks, foreign and domestic travel, and other forms of recreation.

Public lands statistics are published primarily by the Department of the Interior, Bureau of Land Management, in the Annual Report of the Director. Data on Federally owned land and real property are collected by the General Services Administration and presented in its annual Inventory Report on Real Property Owned by the United Slales Throughout the World. The Agricultural Research Service of the Department of Agriculture also compiles and issues statistics on land use and land ownership.

The National Park Service of the Department of the Interior publishes information on national parks in its annual reports, Areas Administered by the National Park Serrice and Public Use, Tabulations of Visitors to Areas Administered by the National Park Service (monthly with cumulative annual in December); and on State park systems in its annual report, State Park Statistics. Data for municipal parks and playgrounds, as well as for other outdoor recreational activities, have been compiled by a private agency, Resources for the Future, Inc., Washington, D.C., and pubhshed in Statistics on Outdoor Recreation (1958). The Forest Service collects and issues figures for recreational uses of the national forests. The Fish and Wildlife Service compiles data for hunting and fishing. Figures on expenditures for recreation and on domestic and foreign travel are compiled by the Department of Commerce and appear periodically in the monthly Survey of Current Business and in other reports.

Public domain and acquired lands.Sovereignty over its present continental land area was acquired by the U.S. Government through a series of international agreements and treaties. The United States, however, did not gain title to all of these lands by such agreements. At the time of acquisition of U.S. sovereignty over the areas involved (now 1,905 million acres) title to about 463 million acres rested in individual States and their political subdivisions or in private owners, which title was not relinquished to the Federal Government. Title to the remaining 1,442 million acres of land area passed to the l'.S. Government. This area, with the exception of lands in the District of Columbia, is known as the original public domain.

In addition to the original public domain, the Federal Government has from time to time acquired, by purchase, condemnation, and gift, tracts of land needed for public purposes. Such lands are referred to as acquired lands, to distinguish them from public domain lands.

Public-domain lands or public lands refer to those Federally owned lands to which the general body of public land laws apply. In general, these lands include that portion of the original public domain not disposed of under the public land laws, and certain other lands declared by the Congress specifically to be public lands, and exclude acquired lands, as defined above.

Indian lands.-Indian lands refer to public domain lands ceded to the Government by Indian tribes on condition that proceeds from their sale or other disposition would be earmarked into the Treasury in trust for the Indians.

Entries, selections, patents, and certifications. The data on entries, selections, patents, and certifications refer to transactions which involve the disposal, under the public land laws (including the homestead laws), of Federal public lands to non-Federal owners. In general, original entries and selections are applications to secure title to 540262° -6013

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