On this date in 1930, 31% of US HCN stations were over 100F, and 61% were over 90F.
100 degree temperatures were recorded in 25 states :
Arizona, Nebraska, Ohio, Virginia, Illinois, California, Kansas, Kentucky, Maryland, Arkansas, Indiana, Michigan, Missouri, Texas, West Virginia, Wisconsin, Iowa, Oklahoma, Tennessee, North Carolina, Pennsylvania, South Dakota, Louisiana, Georgia, and Mississippi.

CO2 was below 310 PPM at the time, and Hansen tells us that heatwaves like this were impossible with CO2 that low.
BUCKEYE AZ 110
ASHLAND NO 2 NE 110
FAIRBURY 5S NE 110
CIRCLEVILLE OH 109
WOODSTOCK 2 NE VA 109
DU QUOIN 4 SE IL 108
BRAWLEY 2 SW CA 107
ORLAND CA 107
MANHATTAN KS 107
MCPHERSON KS 107
WAKEENEY KS 107
SYRACUSE NE 107
NORWALK WWTP OH 107
CHARLOTTESVILLE 2W VA 107
LINCOLN VA 107
INDIO FIRE STN CA 106
ATCHISON KS 106
HAYS 1 S KS 106
MINNEAPOLIS KS 106
SHELBYVILLE 1 E KY 106
WILLIAMSTOWN 3 W KY 106
LAUREL 3 W MD 106
OWINGS FERRY LANDING MD 106
PAWNEE CITY NE 106
RED CLOUD NE 106
DELAWARE OH 106
SUBIACO AR 105
BLYTHE CA 105
CHICO UNIV FARM CA 105
OLNEY 2S IL 105
HOBART 2 WNW IN 105
MADISON SEWAGE PLT IN 105
ELLSWORTH KS 105
ASHLAND KY 105
GLENN DALE BELL STN MD 105
PRINCESS ANNE MD 105
ADRIAN 2 NNE MI 105
BRUNSWICK MO 105
CLINTON MO 105
MEXICO MO 105
CRETE NE 105
TECUMSEH 1S NE 105
DEFIANCE OH 105
MC CONNELLSVILLE LK 7 OH 105
JEFFERSON OK 105
HANFORD 1 S CA 104
UKIAH CA 104
PALESTINE IL 104
WHEATFIELD IN 104
CLARINDA IA 104
HORTON KS 104
LARNED KS 104
SALISBURY MD 104
WARRENTON 1 N MO 104
DAVID CITY NE 104
HOLDREGE NE 104
BUCYRUS OH 104
CADIZ OH 104
FINDLAY WPCC OH 104
KENTON OH 104
MILLERSBURG OH 104
PHILO 3 SW OH 104
PORTSMOUTH-SCIOTOVILLE OH 104
TIFFIN OH 104
WAUSEON WTP OH 104
WOOSTER EXP STATION OH 104
BUFFALO 2 SSW OK 104
QUANAH 2 SW TX 104
GLENVILLE WV 104
RACINE WI 104
AJO AZ 103
ROOSEVELT 1 WNW AZ 103
CONWAY AR 103
CORNING AR 103
LEMON COVE CA 103
HILLSBORO IL 103
MARENGO IL 103
COLUMBUS IN 103
DELPHI 2 N IN 103
GOSHEN 3SW IN 103
GREENCASTLE 1 W IN 103
GREENFIELD IN 103
OOLITIC PURDUE EX FRM IN 103
RUSHVILLE IN 103
SCOTTSBURG IN 103
INDIANOLA 2W IA 103
TOLEDO 3N IA 103
ASHLAND KS 103
EL DORADO KS 103
FT SCOTT KS 103
LAKIN KS 103
LIBERAL KS 103
MEDICINE LODGE KS 103
SCOTT CITY KS 103
SEDAN KS 103
CAMBRIDGE WATER TRMT P MD 103
ABERDEEN MS 103
CONCEPTION MO 103
JEFFERSON CITY WTP MO 103
MARBLE HILL MO 103
UNIONVILLE MO 103
AUBURN 5 ESE NE 103
FAIRMONT NE 103
GENEVA NE 103
NORTH LOUP NE 103
SEWARD NE 103
WEEPING WATER NE 103
SEARCHLIGHT NV 103
OBERLIN OH 103
WAVERLY OH 103
ALTUS IRIG RSCH STN OK 103
WAURIKA OK 103
DUBLIN 2SE TX 103
DALE ENTERPRISE VA 103
HOPEWELL VA 103
LEXINGTON VA 103
WELLSBURG WTR TRMT PL WV 103
NEW LONDON WI 103
PARKER AZ 102
DAVIS 2 WSW EXP FARM CA 102
WEAVERVILLE CA 102
CARLINVILLE IL 102
CHARLESTON IL 102
DIXON 1 NW IL 102
HARRISBURG IL 102
HOOPESTON IL 102
LA HARPE IL 102
LINCOLN IL 102
MONMOUTH IL 102
OTTAWA 5SW IL 102
PARIS STP IL 102
WHITE HALL 1 E IL 102
BLOOMINGTON IN UNIV IN 102
BROOKVILLE IN 102
ROCHESTER IN 102
WASHINGTON 1 W IN 102
WHITESTOWN IN 102
ALBIA 3 NNE IA 102
BELLE PLAINE IA 102
CLINTON #1 IA 102
COLDWATER KS 102
LAWRENCE KS 102
OLATHE 3E KS 102
OTTAWA KS 102
COLDWATER ST SCHOOL MI 102
HILLSDALE MI 102
OWOSSO WWTP MI 102
CORINTH 7 SW MS 102
FARMINGTON MO 102
STEFFENVILLE MO 102
FRANKLIN NE 102
GENOA 2 W NE 102
MINDEN NE 102
YORK NE 102
UPPER SANDUSKY OH 102
URBANA WWTP OH 102
ERICK OK 102
HAMMON 3 SSW OK 102
HENNESSEY 4 ESE OK 102
KINGFISHER OK 102
MIAMI OK 102
OKEENE OK 102
PERRY OK 102
TAHLEQUAH OK 102
WEATHERFORD OK 102
CHAMBERSBURG 1 ESE PA 102
CLARKSVILLE WWTP TN 102
DICKSON TN 102
EAGLE PASS 3N TX 102
BRODHEAD WI 102
FOND DU LAC WI 102
HANCOCK EXP FARM WI 102
PRAIRIE DU CHIEN WI 102
BRINKLEY AR 101
MENA AR 101
NEWPORT AR 101
PRESCOTT 2 NNW AR 101
MARYSVILLE CA 101
AURORA IL 101
DECATUR WTP IL 101
GALVA IL 101
JACKSONVILLE 2E IL 101
MCLEANSBORO IL 101
MINONK IL 101
MT VERNON 3 NE IL 101
PONTIAC IL 101
WALNUT IL 101
WINDSOR IL 101
ANGOLA IN 101
BERNE WWTP IN 101
CAMBRIDGE CITY 3 N IN 101
MARION 2 N IN 101
PRINCETON 1 W IN 101
ROCKVILLE IN 101
SEYMOUR 2 N IN 101
SHOALS 8 S IN 101
WINAMAC 2SSE IN 101
FAIRFIELD IA 101
IOWA FALLS IA 101
LOGAN IA 101
WASHINGTON IA 101
INDEPENDENCE KS 101
LEAVENWORTH KS 101
FRANKFORT DOWNTOWN KY 101
GREENSBURG KY 101
WOODSTOCK MD 101
ANN ARBOR U OF MICH MI 101
LAMAR 2W MO 101
LEBANON 2W MO 101
LOCKWOOD MO 101
TEKAMAH NE 101
MT AIRY 2 W NC 101
LAWTON OK 101
MANGUM OK 101
OKEMAH OK 101
PAWHUSKA OK 101
WEBBERS FALLS 5 WSW OK 101
JOHNSTOWN PA 101
VERMILLION 2 SE SD 101
ALBANY TX 101
CORSICANA TX 101
LLANO TX 101
TEMPLE TX 101
ROCKY MT VA 101
POCAHONTAS 1 AR 100
WILLOWS 6 W CA 100
MILLEN 4 N GA 100
ALEDO IL 100
ANNA 2 NNE IL 100
DANVILLE IL 100
MT CARROLL IL 100
PANA IL 100
PAOLI IN 100
SALEM IN 100
FAYETTE IA 100
MT AYR IA 100
CAVE RUN LAKE KY 100
HOPKINSVILLE KY 100
LEITCHFIELD 2 N KY 100
PLAIN DEALING 4 W LA 100
ALMA MI 100
MT PLEASANT UNIV MI 100
COLUMBIA MS 100
STATE UNIV MS 100
UNIVERSITY MS 100
APPLETON CITY MO 100
DONIPHAN MO 100
LEXINGTON 3E MO 100
ROLLA UNI OF MISSOURI MO 100
HEBRON NE 100
WAKEFIELD NE 100
HILLSBORO OH 100
ADA OK 100
ARDMORE OK 100
CLAREMORE 2 ENE OK 100
ENID OK 100
GEARY OK 100
GUTHRIE 5S OK 100
KENTON OK 100
UNIONTOWN 1 NE PA 100
COVINGTON 3 SW TN 100
DOVER 1 W TN 100
UNION CITY TN 100
BROWNWOOD 2ENE TX 100
CLARKSVILLE 2NE TX 100
FALFURRIAS TX 100
LULING TX 100
MARSHALL TX 100
FREDERICKSBURG NP VA 100
PARSONS 1 NE WV 100
SPENCER WV 100
OSHKOSH WI 100
PORTAGE WI 100
Continue reading →