Washington data for yesterday: Highest temperature since midnight yesterday, 57 degrees at 3:45 p.m. Lowest temperature since midnight 40 degrees at 6:15 a.m. Excess of temperature since Nov. 1, 121 degrees. Excess of temperature since Jan. 1, 215 degrees. Record high temperature for today, 79 degrees in 1942. Record low temperature for today, 20 degrees in 1901. Relative humidity: maximum, 76 per cent at 6 a.m.; minimum, 43 per cent at 2 p.m. 24 hour precipitation, none. Deficiency of precipitation since Nov. 1, 0.96 inches.Deficiency of precipitation since Jan 1, 0.66 inches. Highest observed wind since 7 a.m., 12 miles per hours from the northwest at noon. Peak dust since 7 a.m., 16 miles per hour from the northwest at 10:46 a.m.

Washington: Today - Most sunny and continued cool, high near 50, low in the 30s. The chance of rain is near zero through tonight. Winds will be out of the north at 5 to 10 mph. Tuesday - Increasing cloudiness, high again near 50.

Maryland and Virginia: Today - Sunny in the east, partly cloudy in the west with highs in the 40s to the low 50s, lows in the 30s. Tuesday - Increasing cloudiness with a chance of late rain in the west, highs again near 50.

West Virginia: Today - Increasing cloudiness, high in the 40s, lows from the mid 20s to the mid 30s. Tuesday - Cloudy with a chance of light rain, high in the 40s.

Extended Area Forecast for Wednesday through Friday - Variable cloudiness through the period. Cool Wednesday warming somewhat on Thanksgiving and Friday. Highs will average from the 40s to mid 50s, lows in the 30s, in the 20s in the mountains. Normal Washington temperatures are a high of 54 and a low of 36.

Lower Potomac and Chesapeake Bay - Fair with visibility of 5 miles of more. Winds will shift to the northeast at 8 to 15 knots. Waves will average 2 feet or less.

The Council of Government's Air Quality Index for yesterday showed the high reading in the Washington area during the 9 a.m. period was 10 for the pollutant, photochemical oxidants Index values between 10 and 25 indicate good air quality.When the index exceeds 100 the air is considered very unhealthy and individuals with lung, heart and eye ailments are urged to restrict their activity. The forecast for today indicates that the air quality will remain good.

The National Weather Service forecast the Potomac River stage at Little Falls should rise to near 3.1 feet today.

Almanac Data for today: The sun rises 6:56 a.m., sets 4:51 p.m.; moon rises 10:05 p.m., set 11:23 a.m. Tides: high 11:33 a.m. and 11:49 p.m., low 6:18 and 6:26 p.m. High and low tides at the following locations may be obtained by subtracting the hours indicated from the hours above: Annapolis (3 1/4), Bloody Point Lighthouse (4 1/2), Deale, Md. (4 1/2), Colonial Beach (5 1/4), Norfolk (1), Virginia Beach (3/4), Solomons Island (6 1/4), Point Lookout (7).

The National Weather Forecast today - Rainshowers will be scattered over the lower Great Lakes into northwestern portions of the Ohio Valley and the lower Missouri Valley. Snow will fall from the upper Mississippi Valley across the northern Plains through the northern Rockies, changing to rain over the Great Basin into the northern Plateau Region, and continuing across the West Coast from Washington into southern California, with snow in the Cascade and Sierra Mountains. Skies will be partly cloudy from the Atlantic Coast across the Gulf Coast and southern Plains into interior portions of the southern Plateau Region. Temperatures will be mild over much of Florida. Very cold temperatures will reach from the western portion of the northern Plains across the upper Missouri Valley and the northern Rockies.Elsewhere, temperature will be unseasonably cool or cold. Local Temps., Humidity(TABLE) Time(COLUMN)T.(COLUMN)H. 12 m'night(COLUMN)48(COLUMN)61 1 a.m.(COLUMN)47(COLUMN)63 2 a.m.(COLUMN)47(COLUMN)63 3 a.m.(COLUMN)46(COLUMN)63 4 a.m.(COLUMN)45(COLUMN)63 6 a.m.(COLUMN)41(COLUMN)76 7 a.m.(COLUMN)42(COLUMN)70 8 a.m.(COLUMN)43(COLUMN)70 9 a.m.(COLUMN)49(COLUMN)59 10 a.m.(COLUMN)52(COLUMN)52 11 a.m.(COLUMN)53(COLUMN)49 12 noon(COLUMN)54(COLUMN)49 1 p.m.(COLUMN)56(COLUMN)45 2 p.m.(COLUMN)56(COLUMN)43 3 p.m.(COLUMN)56(COLUMN)43 4 p.m.(COLUMN)57(COLUMN)44 6 p.m.(COLUMN)53(COLUMN)48 7 p.m.(COLUMN)53(COLUMN)48(END TABLE) Temperatures ending 7 a.m. (EST) yesterday:(TABLE) Albany(COLUMN)60(COLUMN)37 Albuquerque(COLUMN)60(COLUMN)31 Amarillo(COLUMN)62(COLUMN)34 Anchorage(COLUMN)25(COLUMN)23 Asheville(COLUMN)67(COLUMN)38 Atlanta(COLUMN)67(COLUMN)42 Atlantic City(COLUMN)66(COLUMN)37 Austin(COLUMN)64(COLUMN)53 Baltimore(COLUMN)66(COLUMN)34 Billings(COLUMN)12(COLUMN)06 Birmingham(COLUMN)62(COLUMN)36 Bismarck(COLUMN)21(COLUMN)00 Boise(COLUMN)54(COLUMN)47 Boston(COLUMN)70(COLUMN)42 Brownsville(COLUMN)74(COLUMN)65 Buffalo(COLUMN)50(COLUMN)41 Burlington, Vt.(COLUMN)56(COLUMN)30 Casper(COLUMN)28(COLUMN)03 Charleston, S.C.(COLUMN)83(COLUMN)63 Charleston, W.V.(COLUMN)60(COLUMN)44 Charlotte(COLUMN)73(COLUMN)49 Cheyenne(COLUMN)48(COLUMN)17 Chicago(COLUMN)48(COLUMN)30 Cincinnati(COLUMN)45(COLUMN)34 Cleveland(COLUMN)48(COLUMN)39 Columbus, S.C.(COLUMN)82(COLUMN)39 Columbus(COLUMN)47(COLUMN)37 Dal.-Ft. Worth(COLUMN)68(COLUMN)52 Dayton(COLUMN)43(COLUMN)32 Denver(COLUMN)53(COLUMN)21 Des Moines(COLUMN)55(COLUMN)15 Detroit(COLUMN)42(COLUMN)32 Duluth(COLUMN)28(COLUMN)10 El Paso(COLUMN)69(COLUMN)38 Evansville(COLUMN)46(COLUMN)43 Fairbanks(COLUMN)03(COLUMN)08 Fargo(COLUMN)23(COLUMN)02 Flagstaff(COLUMN)46(COLUMN)18 Great Falls(COLUMN)02(COLUMN)07 Hartford(COLUMN)67(COLUMN)30 Helena(COLUMN)08(COLUMN)03 Honolulu(COLUMN)84(COLUMN)72 Houston(COLUMN)64(COLUMN)58 Indianapolis(COLUMN)43(COLUMN)31 Jackson(COLUMN)63(COLUMN)38 Jacksonville(COLUMN)83(COLUMN)58 Juneau(COLUMN)26(COLUMN)03 Kansas City(COLUMN)55(COLUMN)29 Las Vegas(COLUMN)66(COLUMN)39 Little Rock(COLUMN)59(COLUMN)40 Los Angeles(COLUMN)73(COLUMN)49 Louisville(COLUMN)48(COLUMN)43 Memphis(COLUMN)59(COLUMN)41 Miami Beach(COLUMN)81(COLUMN)76 Midland(COLUMN)66(COLUMN)43 Milwaukee(COLUMN)45(COLUMN)27 Mpls.St.Paul(COLUMN)31(COLUMN)13 Nashville(COLUMN)58(COLUMN)36 New Orleans(COLUMN)69(COLUMN)61 New York(COLUMN)65(COLUMN)44 Norfolk(COLUMN)72(COLUMN)49 North Platte(COLUMN)36(COLUMN)06 Oklahoma City(COLUMN)66(COLUMN)39 Omaha(COLUMN)40(COLUMN)13 Orlando(COLUMN)86(COLUMN)61 Philadephia(COLUMN)66(COLUMN)37 Phoenix(COLUMN)72(COLUMN)49 Pittsburgh(COLUMN)54(COLUMN)38 Portland, Me.(COLUMN)67(COLUMN)30 Portland, Ore.(COLUMN)46(COLUMN)35 Providence(COLUMN)69(COLUMN)36 Raleigh(COLUMN)72(COLUMN)44 Rapid City(COLUMN)31(COLUMN)05 Reno(COLUMN)57(COLUMN)33 Richmond(COLUMN)75(COLUMN)40 St. Louis(COLUMN)54(COLUMN)34 St. Prbg-Tmpa(COLUMN)83(COLUMN)61 Salt Lake City(COLUMN)47(COLUMN)32 San Antonio(COLUMN)65(COLUMN)55 San Diego(COLUMN)73(COLUMN)54 San Francisco(COLUMN)58(COLUMN)50 San Juan(COLUMN)87(COLUMN)76 St Ste. Marie(COLUMN)39(COLUMN)26 Seattle(COLUMN)44(COLUMN)32 Shreveport(COLUMN)68(COLUMN)45 Sioux Falls(COLUMN)29(COLUMN)12 Spokane(COLUMN)31(COLUMN)16 Syracuse(COLUMN)62(COLUMN)43 Topeka(COLUMN)60(COLUMN)31 Tucson(COLUMN)70(COLUMN)45 Tulsa(COLUMN)62(COLUMN)41 Washington(COLUMN)68(COLUMN)40 Wichita(COLUMN)50(COLUMN)32(END TABLE) Temperatures Abroad Yesterday(TABLE) City(COLUMN)Weather(COLUMN)Time(COLUMN)T Aberdeen(COLUMN)Cloudy(COLUMN)1 p.m.(COLUMN)45 Amsterdam(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)52 Ankara(COLUMN)clear(COLUMN)3 p.m.(COLUMN)48 Athens(COLUMN)clear(COLUMN)2 p.m.(COLUMN)61 Auckland(COLUMN)clear(COLUMN)midnight(COLUMN)57 Berlin(COLUMN)pt cldy.(COLUMN)1 p.m.(COLUMN)52 Birmingham(COLUMN)rain(COLUMN)1 p.m.(COLUMN)54 Bonn(COLUMN)clear(COLUMN)1 p.m.(COLUMN)54 Brussels(COLUMN)clear(COLUMN)1 p.m.(COLUMN)55 Casablanca(COLUMN)pt. cldy(COLUMN)noon(COLUMN)66 Copenhagen(COLUMN)drizzle(COLUMN)1 p.m.(COLUMN)52 Dublin(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)48 Geneva(COLUMN)fog(COLUMN)1 p.m.(COLUMN)36 Hong Kong(COLUMN)clear(COLUMN)8 p.m.(COLUMN)70 Jerusalem(COLUMN)clear(COLUMN)2 p.m.(COLUMN)57 Lisbon(COLUMN)clear(COLUMN)noon(COLUMN)55 London(COLUMN)rain(COLUMN)1 p.m.(COLUMN)55 Madrid(COLUMN)clear(COLUMN)1 p.m.(COLUMN)54 Malta(COLUMN)pt. cldy(COLUMN)1 p.m.(COLUMN)64 Manila(COLUMN)cloudy(COLUMN)8 p.m.(COLUMN)81 Moscow(COLUMN)clear(COLUMN)3 p.m.(COLUMN)46 New Dehli(COLUMN)clear(COLUMN)5 p.m.(COLUMN)71 Nice(COLUMN)clear(COLUMN)1 p.m.(COLUMN)63 Oslo(COLUMN)pt. cldy.(COLUMN)1 p.m.(COLUMN)52 Paris(COLUMN)clear(COLUMN)8 p.n.(COLUMN)54 Peking(COLUMN)clear(COLUMN)8 p.m.(COLUMN)54 Rome(COLUMN)clear(COLUMN)1 p.m.(COLUMN)61 Saigon(COLUMN)pt. cldy.(COLUMN)8 p.m.(COLUMN)77 Sofia(COLUMN)cloudy(COLUMN)2 p.m.(COLUMN)30 Stockholm(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)52 Sydney(COLUMN)clear(COLUMN)10 p.m.(COLUMN)61 Tokyo(COLUMN)cloudy(COLUMN)9 p.m.(COLUMN)61 Tunis(COLUMN)clear(COLUMN)1 p.m.(COLUMN)66 Vienna(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)32 Warsaw(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)50(END TABLE) Temperatures (Western Hemisphere)(TABLE) City(COLUMN)Weather(COLUMN)High(COLUMN)Low Acapulco(COLUMN)fair(COLUMN)90(COLUMN)75 Barbados(COLUMN)cloudy(COLUMN)86(COLUMN)78 Bogota(COLUMN)cloudy(COLUMN)60(COLUMN)50 Havana(COLUMN)cloudy(COLUMN)82(COLUMN)77 Kingston(COLUMN)cloudy(COLUMN)90(COLUMN)74 Montego Bay(COLUMN)pt. cldy.(COLUMN)86(COLUMN)72 Mexico City(COLUMN)haze(COLUMN)79(COLUMN)50 Monterrey(COLUMN)cloudy(COLUMN)73(COLUMN)59 Nassau(COLUMN)fair(COLUMN)85(COLUMN)76 St. Kitts(COLUMN)pt. cldy.(COLUMN)81(COLUMN)74 Vera Cruz(COLUMN)cloudy(COLUMN)85(COLUMN)70(END TABLE)