The graph below shows US summer afternoon temperatures since 1895, sorted into two groups based on the time of day when their reading was taken on July 15, 1936.
The time of day data was taken from this 2008 archived USHCN metadata file, which has been deleted from the current USHCN web site.
Archived from : http://cdiac.ornl.gov/ftp/ushcn_monthly/station_history
Note that both sets of data show the same cooling trend since 1895, and that the 1936 morning recorded stations are cooling slightly faster than the afternoon recorded stations. This is the opposite of the assumptions made by USHCN in their TOBS “correction” – indicating that TOBS adjustment severely corrupts the US temperature record.
Last night I was remembering what I did when I was seven years old, I religiously recorded temperatures on my min/max thermometer and always did the right thing – I reset the maximum in the morning, and reset the minimum in the afternoon. Otherwise the data is tainted. This is the obvious way to avoid TOBS problems, and most likely what many station operators did. In fact you would have to be very stupid and irresponsible to not do something similar.
People have asked why the morning stations are warmer than the afternoon stations. My guess is that people in hotter climates are more motivated to report morning readings than people in cooler climates.
Here is the list of stations used for morning and afternoon readings.
Morning/Night FAIRHOPE 2 NE AL USC00012813 AJO AZ USC00020080 CHILDS AZ USC00021614 FT VALLEY AZ USC00023160 GRAND CANYON NP 2 AZ USC00023596 LEES FERRY AZ USC00024849 MIAMI AZ USC00025512 PARKER AZ USC00026250 PRESCOTT AZ USC00026796 ROOSEVELT 1 WNW AZ USC00027281 SACATON AZ USC00027370 SAFFORD AGRICULTRL C AZ USC00027390 SAINT JOHNS AZ USC00027435 TUCSON WFO AZ USC00028815 WICKENBURG AZ USC00029287 WILLIAMS AZ USC00029359 YUMA CITRUS STN AZ USC00029652 GRAVETTE AR USC00032930 BERKELEY CA USC00040693 BLYTHE CA USC00040924 CEDARVILLE CA USC00041614 CHULA VISTA CA USC00041758 CUYAMACA CA USC00042239 DAVIS 2 WSW EXP FARM CA USC00042294 FAIRMONT CA USC00042941 FARMVILLE 2 N VA USC00442941 HANFORD 1 S CA USC00043747 HEALDSBURG CA USC00043875 INDEPENDENCE CA USC00044232 LODI CA USC00045032 MERCED CA USC00045532 NEWPORT BEACH HARBOR CA USC00046175 ORLAND CA USC00046506 ORLEANS CA USC00046508 PASO ROBLES CA USC00046730 QUINCY CA USC00047195 SAN LUIS OBISPO POLY CA USC00047851 SUSANVILLE 2SW CA USC00048702 TAHOE CITY CA USC00048758 TEJON RANCHO CA USC00048839 TUSTIN IRVINE RCH CA USC00049087 WILLOWS 6 W CA USC00049699 YREKA CA USC00049866 FT COLLINS CO USC00053005 FT MORGAN CO USC00053038 TRINIDAD CO USC00058429 MILFORD 2 SE DE USC00075915 APALACHICOLA AIRPOR FL USC00080211 BARTOW FL USC00080478 BELLE GLADE FL USC00080611 FT LAUDERDALE FL USC00083163 FT PIERCE FL USC00083207 LAKE CITY 2 E FL USC00084731 OCALA FL USC00086414 PERRINE 4W FL USC00087020 TARPON SPGS SEWAGE P FL USC00088824 BAINBRIDGE INTL PAPE GA USC00090586 EASTMAN 1 W GA USC00092966 GLENNVILLE 3NW GA USC00093754 HAWKINSVILLE GA USC00094170 MILLEDGEVILLE GA USC00095874 NEWNAN 5N GA USC00096335 QUITMAN 2 NW GA USC00097276 TIFTON GA USC00098703 WEST POINT GA USC00099291 ARROWROCK DAM ID USC00100448 CAMBRIDGE ID USC00101408 DWORSHAK FISH HATCH ID USC00102845 FENN RS ID USC00103143 HOLLISTER ID USC00104295 KELLOGG ID USC00104831 OAKLEY ID USC00106542 PAYETTE ID USC00106891 SALMON-KSRA ID USC00108080 MCLEANSBORO IL USC00115515 WALNUT IL USC00118916 DELPHI 2 N IN USC00122149 PAOLI IN USC00126705 SALEM IN USC00127755 SHOALS 8 S IN USC00128036 CHARLES CITY IA USC00131402 FOREST CITY 2 NNE IA USC00132977 COLUMBUS KS USC00141740 INDEPENDENCE KS USC00143954 SAINT FRANCIS KS USC00147093 WAKEENEY KS USC00148495 FRANKFORT DOWNTOWN KY USC00153028 ALEXANDRIA LA USC00160098 BASTROP LA USC00160537 PLAIN DEALING 4 W LA USC00167344 EASTPORT ME USC00172426 LEWISTON ME USC00174566 WOODLAND ME USC00179891 CUMBERLAND 2 MD USC00182282 MILLINGTON 1 SE MD USC00185985 PRINCESS ANNE MD USC00187330 AMHERST MA USC00190120 BEDFORD MA USC00190535 GREAT BARRINGTON 2N MA USC00193213 LAWRENCE MA USC00194105 PLYMOUTH-KINGSTON MA USC00196486 ALLEGAN 5NE MI USC00200128 FAYETTE 4 SW MI USC00202737 MIDLAND MI USC00205434 CHASKA MN USC00211465 DETROIT LAKES 1 NNE MN USC00212142 MORRIS WC EXP STN MN USC00215638 NEW ULM 2 SE MN USC00215887 PIPESTONE MN USC00216565 CANTON 4N MS USC00221389 GREENVILLE MS USC00223605 KOSCIUSKO MS USC00224776 NATCHEZ MS USC00226177 PONTOTOC EXP STN MS USC00227111 STATE UNIV MS USC00228374 APPLETON CITY MO USC00230204 CLINTON MO USC00231711 FARMINGTON MO USC00232809 JEFFERSON CITY WTP MO USC00234271 LAMAR 2W MO USC00234705 LEBANON 2W MO USC00234825 LEES SUMMIT REED WR MO USC00234850 LEXINGTON 3E MO USC00234904 MEXICO MO USC00235541 MOBERLY MO USC00235671 MTN GROVE 2 N MO USC00235834 SPICKARD 7 W MO USC00237963 UNIONVILLE MO USC00238523 ANACONDA MT USC00240199 CHINOOK MT USC00241722 FORKS 4 NNE MT USC00243089 FT ASSINNIBOINE MT USC00243110 FORTINE 1 N MT USC00243139 HUNTLEY EXP STN MT USC00244345 KALISPELL GLACIER AP MT USC00244558 MOCCASIN EXP STN MT USC00245761 PLEVNA MT USC00246601 ALLIANCE 1WNW NE USC00250130 ATKINSON 3SW NE USC00250420 BEATRICE 1N NE USC00250622 BROKEN BOW 2 W NE USC00251200 CRETE NE USC00252020 FAIRBURY 5S NE USC00252820 FAIRMONT NE USC00252840 FRANKLIN NE USC00253035 IMPERIAL NE USC00254110 LODGEPOLE NE USC00254900 NORTH LOUP NE USC00256040 OAKDALE NE USC00256135 PURDUM NE USC00256970 WEEPING WATER NE USC00259090 AUSTIN #2 NV USC00260507 FALLON EXP STN NV USC00262780 MCGILL NV USC00264950 MINA NV USC00265168 WELLS NV USC00268988 BOONTON 1 SE NJ USC00280907 INDIAN MILLS 2 W NJ USC00284229 MOORESTOWN NJ USC00285728 FT SUMNER NM USC00293294 LAS VEGAS WWTP NM USC00294862 MTN PARK NM USC00295960 TUCUMCARI 4 NE NM USC00299156 TULAROSA NM USC00299165 BATAVIA NY USC00300443 ELMIRA NY USC00302610 GLENHAM NY USC00303259 INDIAN LAKE 2SW NY USC00304102 ITHACA CORNELL UNIV NY USC00304174 LAKE PLACID 2 S NY USC00304555 LOWVILLE NY USC00304912 OSWEGO EAST NY USC00306314 SETAUKET STRONG NY USC00307633 STILLWATER RSVR NY USC00308248 TROY L&D NY USC00308600 TUPPER LAKE SUNMOUNT NY USC00308631 WALDEN 1 ESE NY USC00308906 WALES NY USC00308910 WEST POINT NY USC00309292 YORKTOWN HEIGHTS 1W NY USC00309670 ALBEMARLE NC USC00310090 ELIZABETH CITY NC USC00312719 KINSTON 7 SE NC USC00314684 SMITHFIELD NC USC00317994 TARBORO 1 S NC USC00318500 WAYNESVILLE 1 E NC USC00319147 BOTTINEAU ND USC00320941 CROSBY ND USC00321871 DICKINSON EXP STN ND USC00322188 DUNN CENTER 1E ND USC00322365 FT YATES 4 SW ND USC00323207 FULLERTON 1 ESE ND USC00323287 JAMESTOWN STATE HOSP ND USC00324418 LANGDON EXP FARM ND USC00324958 LISBON ND USC00325220 MANDAN EXP STN ND USC00325479 NAPOLEON ND USC00326255 NEW ENGLAND ND USC00326315 RICHARDTON ABBEY ND USC00327530 FINDLAY WPCC OH USC00332791 HILLSBORO OH USC00333758 BEND OR USC00350694 BROOKINGS 2 SE OR USC00351055 CONDON OR USC00351765 FREMONT 5 NW OR USC00353095 HEPPNER OR USC00353827 MC MINNVILLE OR USC00355384 PILOT ROCK 1 SE OR USC00356634 ROSEBURG KQEN OR USC00357331 TILLAMOOK OR USC00358494 VALE OR USC00358797 FRANKLIN PA USC00363028 NEW CASTLE 1 N PA USC00366233 PALMERTON PA USC00366689 READING 4 NNW PA USC00367322 RIDGWAY PA USC00367477 STROUDSBURG PA USC00368596 ANDERSON SC USC00380165 CHERAW SC USC00381588 COLUMBIA UNIV OF SC SC USC00381944 CONWAY SC USC00381997 DARLINGTON SC USC00382260 GREENWOOD SC USC00383754 KINGSTREE SC USC00384753 ORANGEBURG 2 SC USC00386527 SUMMERVILLE 4W SC USC00388426 YEMASSEE SC USC00389469 DUPREE SD USC00392429 FAULKTON 1 NW SD USC00392927 FORESTBURG 4 NNE SD USC00393029 GANN VALLEY 4NW SD USC00393217 MILBANK 4 NW SD USC00395536 OAHE DAM SD USC00396170 RAPID CITY 4NW SD USC00396947 COPPERHILL TN USC00402024 CROSSVILLE ED & RESE TN USC00402202 DOVER 1 W TN USC00402589 MURFREESBORO 5 N TN USC00406371 NEWPORT 1 NW TN USC00406534 UNION CITY TN USC00409219 ALBANY TX USC00410120 ALICE TX USC00410144 ALPINE TX USC00410174 BALLINGER 2 NW TX USC00410493 BALMORHEA TX USC00410498 BLANCO TX USC00410832 BOYS RANCH TX USC00411000 BRENHAM TX USC00411048 BROWNWOOD 2ENE TX USC00411138 CATARINA TX USC00411528 CORSICANA TX USC00412019 CROSBYTON TX USC00412121 DANEVANG 1 W TX USC00412266 DUBLIN 2SE TX USC00412598 EAGLE PASS 3N TX USC00412679 ENCINAL TX USC00412906 FALFURRIAS TX USC00413063 GREENVILLE KGVL RADI TX USC00413734 HASKELL TX USC00413992 LAMPASAS TX USC00415018 LLANO TX USC00415272 LULING TX USC00415429 MCCAMEY TX USC00415707 MEXIA TX USC00415869 MIAMI TX USC00415875 MULESHOE #1 TX USC00416135 NEW BRAUNFELS TX USC00416276 PECOS TX USC00416892 QUANAH 2 SW TX USC00417336 RIO GRANDE CITY TX USC00417622 SNYDER TX USC00418433 TEMPLE TX USC00418910 WEATHERFORD TX USC00419532 ALTON UT USC00420086 DESERET UT USC00422101 ESCALANTE UT USC00422592 FILLMORE UT USC00422828 FT DUCHESNE UT USC00422996 HEBER UT USC00423809 LEVAN UT USC00425065 LOGAN UTAH ST UNIV UT USC00425186 PANGUITCH UT USC00426601 ST GEORGE UT USC00427516 SCIPIO UT USC00427714 UTAH LAKE LEHI UT USC00428973 BREMO BLUFF VA USC00440993 CHARLOTTESVILLE 2W VA USC00441593 DALE ENTERPRISE VA USC00442208 PENNINGTON GAP VA USC00446626 PIEDMONT RSCH STN VA USC00446712 ROCKY MT VA USC00447338 STAUNTON WATER TRMTM VA USC00448062 WILLIAMSBURG 2 N VA USC00449151 BLAINE WA USC00450729 CEDAR LAKE WA USC00451233 LONG BEACH EXP STN WA USC00454748 ODESSA WA USC00456039 POMEROY WA USC00456610 PORT ANGELES WA USC00456624 PULLMAN 2 NW WA USC00456789 RAYMOND 2 S WA USC00456914 RITZVILLE 1 SSE WA USC00457059 SUNNYSIDE WA USC00458207 WATERVILLE WA USC00459012 WENATCHEE WA USC00459074 WILBUR WA USC00459238 SPENCER WV USC00468384 HANCOCK EXP FARM WI USC00473405 MANITOWOC WI USC00475017 ALTA 1 NNW WY USC00480140 COLONY WY USC00481905 GREEN RIVER WY USC00484065 MIDWEST WY USC00486195 NEWCASTLE WY USC00486660 SARATOGA WY USC00487990 SHERIDAN FLD STA WY USC00488160 WORLAND WY USC00489770 YELLOWSTONE PK MAMMO WY USC00489905 Afternoon BREWTON 3 SSE AL USC00011084 GAINESVILLE LOCK AL USC00013160 GREENSBORO AL USC00013511 HIGHLAND HOME AL USC00013816 SAINT BERNARD AL USC00017157 SCOTTSBORO AL USC00017304 SELMA AL USC00017366 TALLADEGA AL USC00018024 THOMASVILLE AL USC00018178 TROY AL USC00018323 UNION SPRINGS 9 S AL USC00018438 VALLEY HEAD AL USC00018469 BUCKEYE AZ USC00021026 CANYON DE CHELLY AZ USC00021248 HOLBROOK AZ USC00024089 KINGMAN #2 AZ USC00024645 SELIGMAN AZ USC00027716 TOMBSTONE AZ USC00028619 BRINKLEY AR USC00030936 CONWAY AR USC00031596 CORNING AR USC00031632 EUREKA SPRINGS 3 WNW AR USC00032356 FAYETTEVILLE EXP STN AR USC00032444 MAMMOTH SPRING AR USC00034572 MENA AR USC00034756 NEWPORT AR USC00035186 PINE BLUFF AR USC00035754 POCAHONTAS 1 AR USC00035820 PRESCOTT 2 NNW AR USC00035908 ROHWER 2 NNE AR USC00036253 SUBIACO AR USC00036928 BRAWLEY 2 SW CA USC00041048 CHICO UNIV FARM CA USC00041715 COLFAX CA USC00041912 DEATH VALLEY CA USC00042319 ELECTRA P H CA USC00042728 FT BRAGG 5 N CA USC00043161 HAPPY CAMP RS CA USC00043761 INDIO FIRE STN CA USC00044259 LAKE SPAULDING CA USC00044713 LEMON COVE CA USC00044890 LIVERMORE CA USC00044997 MARYSVILLE CA USC00045385 MT SHASTA CA USC00045983 NAPA STATE HOSPITAL CA USC00046074 OJAI CA USC00046399 PASADENA CA USC00046719 PETALUMA AIRPORT CA USC00046826 REDLANDS CA USC00047306 SANTA BARBARA CA USC00047902 SANTA CRUZ CA USC00047916 SANTA ROSA CA USC00047965 UKIAH CA USC00049122 VACAVILLE CA USC00049200 WASCO CA USC00049452 WEAVERVILLE CA USC00049490 YOSEMITE PARK HQ CA USC00049855 BOULDER CO USC00050848 CANON CITY CO USC00051294 CHEESMAN CO USC00051528 CHEYENNE WELLS CO USC00051564 COLLBRAN CO USC00051741 DEL NORTE 3ENE CO USC00052184 DILLON 1 E CO USC00052281 EADS CO USC00052446 FRUITA CO USC00053146 GUNNISON 3SW CO USC00053662 HERMIT 7 ESE CO USC00053951 HOLLY CO USC00054076 LAMAR CO USC00054770 LAS ANIMAS CO USC00054834 MANASSA CO USC00055322 MONTROSE #2 CO USC00055722 ROCKY FORD 2 SE CO USC00057167 SAGUACHE CO USC00057337 STEAMBOAT SPRINGS CO USC00057936 TELLURIDE 4WNW CO USC00058204 WRAY CO USC00059243 FALLS VILLAGE CT USC00062658 GROTON CT USC00063207 STAMFORD 5 N CT USC00067970 STORRS CT USC00068138 DOVER DE USC00072730 GREENWOOD 2NE DE USC00073595 WILMINGTON PORTER RE DE USC00079605 ARCADIA FL USC00080228 DE FUNIAK SPRINGS 1 FL USC00082220 EVERGLADES FL USC00082850 FEDERAL POINT FL USC00082915 FERNANDINA BEACH FL USC00082944 INVERNESS 3 SE FL USC00084289 MADISON FL USC00085275 SAINT LEO FL USC00087851 TITUSVILLE FL USC00088942 ALBANY 3 SE GA USC00090140 BRUNSWICK GA USC00091340 COVINGTON GA USC00092318 DAHLONEGA GA USC00092475 GAINESVILLE GA USC00093621 MILLEN 4 N GA USC00095882 ROME GA USC00097600 TALBOTTON GA USC00098535 STATE UNIV NM USC00298535 TOCCOA GA USC00098740 WARRENTON GA USC00099141 WASHINGTON 2 ESE GA USC00099157 WAYCROSS 4 NE GA USC00099186 ABERDEEN EXP STN ID USC00100010 ASHTON 1N ID USC00100470 GLENNS FERRY ID USC00103631 GRACE ID USC00103732 HAZELTON ID USC00104140 JEROME ID USC00104670 KETCHUM RS ID USC00104845 LIFTON PUMPING STN ID USC00105275 MACKAY LOST RIVER RS ID USC00105462 MOSCOW U OF I ID USC00106152 NEW MEADOWS RS ID USC00106388 PORTHILL ID USC00107264 PRIEST RIVER EXP STN ID USC00107386 SANDPOINT EXP STN ID USC00108137 ALEDO IL USC00110072 ANNA 2 NNE IL USC00110187 AURORA IL USC00110338 CARLINVILLE IL USC00111280 CHARLESTON IL USC00111436 DANVILLE IL USC00112140 DECATUR WTP IL USC00112193 DIXON 1 NW IL USC00112348 DU QUOIN 4 SE IL USC00112483 GALVA IL USC00113335 HARRISBURG IL USC00113879 HILLSBORO IL USC00114108 HOOPESTON IL USC00114198 JACKSONVILLE 2E IL USC00114442 LA HARPE IL USC00114823 LINCOLN IL USC00115079 MARENGO IL USC00115326 MINONK IL USC00115712 MONMOUTH IL USC00115768 MORRISON IL USC00115833 MT CARROLL IL USC00115901 MT VERNON 3 NE IL USC00115943 OLNEY 2S IL USC00116446 OTTAWA 5SW IL USC00116526 PALESTINE IL USC00116558 PANA IL USC00116579 PARIS STP IL USC00116610 PONTIAC IL USC00116910 RUSHVILLE 4NE IL USC00117551 SPARTA 1 W IL USC00118147 URBANA IL USC00118740 WHITE HALL 1 E IL USC00119241 WINDSOR IL USC00119354 ANDERSON SEWAGE PLT IN USC00120177 ANGOLA IN USC00120200 BERNE WWTP IN USC00120676 BLOOMINGTON IN UNIV IN USC00120784 BROOKVILLE IN USC00121030 CAMBRIDGE CITY 3 N IN USC00121229 CHARLESTOWN 5 NNW IN USC00121425 COLUMBUS IN USC00121747 CRAWFORDSVILLE 6 SE IN USC00121873 GOSHEN 3SW IN USC00123418 GREENCASTLE 1 W IN USC00123513 GREENFIELD IN USC00123527 HOBART 2 WNW IN USC00124008 HUNTINGTON IN USC00124181 LAPORTE IN USC00124837 MADISON SEWAGE PLT IN USC00125237 MARION 2 N IN USC00125337 MT VERNON IN USC00126001 OOLITIC PURDUE EX FR IN USC00126580 PRINCETON 1 W IN USC00127125 RENSSELAER IN USC00127298 ROCHESTER IN USC00127482 ROCKVILLE IN USC00127522 RUSHVILLE IN USC00127646 SCOTTSBURG IN USC00127875 SEYMOUR 2 N IN USC00127935 VEVAY IN USC00129080 VINCENNES 5 NE IN USC00129113 WASHINGTON 1 W IN USC00129253 WHEATFIELD IN USC00129511 WHITESTOWN IN USC00129557 WINAMAC 2SSE IN USC00129670 ALBIA 3 NNE IA USC00130112 ALGONA 3 W IA USC00130133 BELLE PLAINE IA USC00130600 CLARINDA IA USC00131533 CLINTON #1 IA USC00131635 FAIRFIELD IA USC00132789 FAYETTE IA USC00132864 FT DODGE 5NNW IA USC00132999 INDIANOLA 2W IA USC00134063 IOWA FALLS IA USC00134142 LE MARS IA USC00134735 LOGAN IA USC00134894 MT AYR IA USC00135769 MT PLEASANT 1 SSW IA USC00135796 NEW HAMPTON IA USC00135952 ROCK RAPIDS IA USC00137147 ROCKWELL CITY IA USC00137161 STORM LAKE IA USC00137979 TOLEDO 3N IA USC00138296 WASHINGTON IA USC00138688 ASHLAND KS USC00140365 ATCHISON KS USC00140405 COLDWATER KS USC00141704 EL DORADO KS USC00142401 ELLSWORTH KS USC00142459 FT SCOTT KS USC00142835 HAYS 1 S KS USC00143527 HORTON KS USC00143810 JETMORE 8NNW KS USC00144087 LAKIN KS USC00144464 LAWRENCE KS USC00144559 LEAVENWORTH KS USC00144588 LIBERAL KS USC00144695 MCPHERSON KS USC00145152 MEDICINE LODGE KS USC00145173 MINNEAPOLIS KS USC00145363 NORTON 9SSE KS USC00145856 OBERLIN KS USC00145906 OLATHE 3E KS USC00145972 OTTAWA KS USC00146128 SCOTT CITY KS USC00147271 SEDAN KS USC00147305 ASHLAND KY USC00150254 BEREA COLLEGE KY USC00150619 CAVE RUN LAKE KY USC00152791 GREENSBURG KY USC00153430 HOPKINSVILLE KY USC00153994 LEITCHFIELD 2 N KY USC00154703 SHELBYVILLE 1 E KY USC00157324 WILLIAMSBURG KY USC00158709 WILLIAMSTOWN 3 W KY USC00158714 AMITE LA USC00160205 BUNKIE LA USC00161287 CALHOUN RSCH STN LA USC00161411 COVINGTON 4 NNW LA USC00162151 DONALDSONVILLE 4 SW LA USC00162534 GRAND COTEAU LA USC00163800 HOUMA LA USC00164407 JENNINGS LA USC00164700 ST JOSEPH 3 N LA USC00168163 THIBODAUX 4 SE LA USC00169013 WINNSBORO 5 SSE LA USC00169806 ACADIA NP ME USC00170100 FARMINGTON ME USC00172765 GARDINER ME USC00173046 HOULTON 5N ME USC00173944 MILLINOCKET ME USC00175304 PRESQUE ISLE ME USC00176937 CAMBRIDGE WATER TRMT MD USC00181385 CHESTERTOWN MD USC00181750 DENTON 2 E MD USC00182523 GLENN DALE BELL STN MD USC00183675 LAUREL 3 W MD USC00185111 OAKLAND 1 SE MD USC00186620 OWINGS FERRY LANDING MD USC00186770 ROYAL OAK 2 SSW MD USC00187806 SALISBURY MD USC00188000 WESTMINSTER MD USC00189440 WOODSTOCK MD USC00189750 BLUE HILL MA USC00190736 NEW BEDFORD MA USC00195246 PROVINCETOWN MA USC00196681 TAUNTON MA USC00198367 ADRIAN 2 NNE MI USC00200032 ALMA MI USC00200146 BIG RAPIDS WTR WKS MI USC00200779 CHAMPION VAN RIPER P MI USC00201439 CHATHAM EXP FARM 2 MI USC00201486 CHEBOYGAN MI USC00201492 COLDWATER ST SCHOOL MI USC00201675 EAST TAWAS MI USC00202423 HART 3 WSW MI USC00203632 HILLSDALE MI USC00203823 IRON MT KINGSFORD WW MI USC00204090 IRONWOOD MI USC00204104 KALAMAZOO STATE HOSP MI USC00204244 MT PLEASANT UNIV MI USC00205662 MUNISING MI USC00205690 NEWBERRY CORRECTIONA MI USC00205816 OWOSSO WWTP MI USC00206300 SOUTH HAVEN MI USC00207690 STAMBAUGH 2SSE MI USC00207812 ADA MN USC00210018 ALBERT LEA 3 SE MN USC00210075 BAUDETTE MN USC00210515 CLOQUET MN USC00211630 EVELETH WWTP MN USC00212645 FAIRMONT MN USC00212698 FARMINGTON 3 NW MN USC00212737 FOSSTON 1 E MN USC00212916 ITASCA UNIV OF MINN MN USC00214106 LEECH LAKE MN USC00214652 MILAN 1 NW MN USC00215400 MONTEVIDEO 1 SW MN USC00215563 MORA MN USC00215615 OLIVIA 3E MN USC00216152 PINE RIVER DAM MN USC00216547 ROSEAU MN USC00217087 ST PETER MN USC00217405 SANDY LAKE DAM LIBBY MN USC00217460 TWO HARBORS MN USC00218419 WALKER AH GWAH CHING MN USC00218618 WINNEBAGO MN USC00219046 ZUMBROTA MN USC00219249 ABERDEEN MS USC00220021 BATESVILLE 2 SW MS USC00220488 BOONEVILLE MS USC00220955 BROOKHAVEN CITY MS USC00221094 CLARKSDALE MS USC00221707 COLUMBIA MS USC00221865 COLUMBUS MS USC00221880 CORINTH 7 SW MS USC00221962 CRYSTAL SPGS EXP STN MS USC00222094 FOREST MS USC00223107 HOLLY SPRINGS 4 N MS USC00224173 LAUREL MS USC00224939 LOUISVILLE MS USC00225247 MONTICELLO MS USC00225987 MOORHEAD MS USC00226009 PASCAGOULA 3 NE MS USC00226718 POPLARVILLE EXP STN MS USC00227128 PORT GIBSON 1 NE MS USC00227132 UNIVERSITY MS USC00229079 WATER VALLEY MS USC00229400 WAVELAND MS USC00229426 WAYNESBORO 2 W MS USC00229439 WOODVILLE 4 ESE MS USC00229793 YAZOO CITY 5 NNE MS USC00229860 BOWLING GREEN 1 E MO USC00230856 BRUNSWICK MO USC00231037 CARUTHERSVILLE MO USC00231364 CONCEPTION MO USC00231822 DONIPHAN MO USC00232289 LOCKWOOD MO USC00235027 MARBLE HILL MO USC00235253 NEOSHO MO USC00235976 ROLLA MISSOURI S&T MO USC00237263 STEFFENVILLE MO USC00238051 SWEET SPRINGS MO USC00238223 TRUMAN DAM & RSVR MO USC00238466 WARRENTON 1 N MO USC00238725 AUGUSTA MT USC00240364 BIG TIMBER MT USC00240780 BOZEMAN MONTANA ST U MT USC00241044 CASCADE 5 S MT USC00241552 CHOTEAU MT USC00241737 EKALAKA MT USC00242689 ENNIS MT USC00242793 FLATWILLOW 4 ENE MT USC00243013 GLENDIVE MT USC00243581 HAMILTON MT USC00243885 HEBGEN DAM MT USC00244038 JORDAN MT USC00244522 LIBBY 1 NE RS MT USC00245015 LIVINGSTON 12 S MT USC00245080 MALTA 7 E MT USC00245338 MILDRED 5 N MT USC00245668 NORRIS MADISON PH MT USC00246157 PHILIPSBURG RS MT USC00246472 RED LODGE MT USC00246918 SAINT IGNATIUS MT USC00247286 SAVAGE MT USC00247382 VALIER MT USC00248501 VIRGINIA CITY MT USC00248597 WEST YELLOWSTONE MT USC00248857 WHITE SULPHUR SPRNGS MT USC00248930 ALBION NE USC00250070 AUBURN 5 ESE NE USC00250435 BEAVER CITY NE USC00250640 BRIDGEPORT NE USC00251145 CURTIS 3NNE NE USC00252100 DAVID CITY NE USC00252205 GENEVA NE USC00253175 GENOA 2 W NE USC00253185 GOTHENBURG NE USC00253365 HARRISON NE USC00253615 HARTINGTON NE USC00253630 HASTINGS 4N NE USC00253660 HAY SPRINGS 12 S NE USC00253715 HEBRON NE USC00253735 HOLDREGE NE USC00253910 KIMBALL 2NE NE USC00254440 LOUP CITY NE USC00254985 MADISON NE USC00255080 MC COOK NE USC00255310 MERRIMAN NE USC00255470 MINDEN NE USC00255565 PAWNEE CITY NE USC00256570 RED CLOUD NE USC00257070 SAINT PAUL NE USC00257515 SEWARD NE USC00257715 SYRACUSE NE USC00258395 TECUMSEH 1S NE USC00258465 TEKAMAH NE USC00258480 WAKEFIELD NE USC00258915 YORK NE USC00259510 BOULDER CITY NV USC00261071 GOLCONDA NV USC00263245 SEARCHLIGHT NV USC00267369 DURHAM NH USC00272174 FIRST CONNECTICUT LA NH USC00272999 HANOVER NH USC00273850 KEENE NH USC00274399 BELVIDERE BRG NJ USC00280734 CHARLOTTEBURG RESERV NJ USC00281582 FLEMINGTON 5 NNW NJ USC00283029 HIGHTSTOWN 2 W NJ USC00283951 LONG BRANCH OAKHURST NJ USC00284987 NEW BRUNSWICK 3 SE NJ USC00286055 PLAINFIELD NJ USC00287079 AZTEC RUINS NM NM USC00290692 BELL RANCH NM USC00290858 CARLSBAD NM USC00291469 CHAMA NM USC00291664 CIMARRON 4 SW NM USC00291813 ELEPHANT BUTTE DAM NM USC00292848 FT BAYARD NM USC00293265 GAGE NM USC00293368 JEMEZ SPRINGS NM USC00294369 JORNADA EXP RANGE NM USC00294426 LOS LUNAS 3 SSW NM USC00295150 LUNA RS NM USC00295273 MOUNTAINAIR NM USC00295965 OROGRANDE NM USC00296435 RED RIVER NM USC00297323 SAN JON NM USC00297867 SANTA ROSA NM USC00298107 SOCORRO NM USC00298387 SPRINGER NM USC00298501 STATE UNIV NM USC00298535 ALFRED NY USC00300085 ALLEGANY SP NY USC00300093 ANGELICA NY USC00300183 AUBURN NY USC00300321 BRIDGEHAMPTON NY USC00300889 BROCKPORT NY USC00300937 CHAZY NY USC00301401 COOPERSTOWN NY USC00301752 CORTLAND NY USC00301799 DANNEMORA NY USC00301966 DANSVILLE NY USC00301974 FREDONIA NY USC00303033 GENEVA RSCH FARM NY USC00303184 GLOVERSVILLE NY USC00303319 HEMLOCK NY USC00303773 LAWRENCEVILLE 3 SW NY USC00304647 LITTLE FALLS CITY RE NY USC00304791 LITTLE FALLS MILL ST NY USC00304796 LOCKPORT 3 S NY USC00304844 EMMONS NY USC00305113 MOHONK LAKE NY USC00305426 MORRISVILLE 6 SW NY USC00305512 NORWICH NY USC00306085 OGDENSBURG 4 NE NY USC00306164 PORT JERVIS NY USC00306774 SARATOGA SPRINGS 4 S NY USC00307484 WANAKENA 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The more I learn, the more I am becoming convinced that we have no clue what a good data set looks like. We have yet to see one!
I disagree. The raw GHCN HCN data is an excellent data set, and needs to be used as is with no adjustments.
That is why Zeke and Nick get so upset when I use it.
When you consider that there must be some UHI affects in your data it shows just how wrong the “Quality Adjusted Data” really is.
OMG!! Afternoon temperatures are higher than morning temperatures? How did they ever figure that out. Must have taken a team of NASA and NOAA “scientists” to work the complicated math in their computer models, and only $50,000,000,000 of OUR money. . WOW! What geniuses.
Of course one can regress any series of data linearly and produce a straight line, but it’s obvious the data you show are better fit by a curve, or even better by two linear regressions, one prior to about 1936 and another after about 1936. The problem with your single regression is it leads you to say the cooling trend is from 1895 on, when it clearly started around 1936.
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