National Weather Service United States Department of Commerce

Snow Across the Great Lakes, Central Appalachians, and Northeast; Unsettled Weather in the West

Light to moderate snow will continue into Saturday over the Great Lakes, Central Appalachians, and Northeast. This weekend into next week, a series of atmospheric rivers will bring gusty winds, periods of heavy rain, and mountain snow to northern California and the Pacific Northwest. Colder temperatures are in store for the weekend from the Great Lakes to East Coast. Read More >

National Weather Service Philadelphia/Mount Holly Climate Dashboard

Climate data on this page are preliminary (unofficial). Certified (official) climate data are available from the National Center for Environmental Information (NCEI).

 

Climate Graphs Climate Normals Climate Records Top 10 (Day) Top 10 (Month) Top 10 (Year) Top 10 (Holidays) First/Last Dates

 

KTTN - January Records

Daily Climate Records for KTTN for the month of January
DateRecord High (F)Record High YearRecord Low High (F)Record Low High YearRecord High Low (F)Record High Low YearRecord Low (F)Record Low YearRecord Precipitation (in.)Record Precip Year
1642005131918521966T19181.721888
268187691918481876319181.981892
3632000141918522000-019181.951999
4682000111904571950T20142.601982
5641950172018511950-319041.451934
6722007152018542007519961.661962
7662012112014541946-220183.011874
8711998131942491998419700.872007
9671937121970511937419702.162024
10652016151982461972-218751.562016
11672020151873481975-219881.351878
12681890141981512018-319841.951900
13701890121914561932-819121.061915
14731932181914501995-719121.741968
15701932131957551995220041.121999
16671870141994461995-518931.141924
17621913101977431995-1119822.131873
18661990131977491913-418931.972015
1965195161994461986-818752.041996
20641947151994431933-819851.051979
2164200631985481906-1219852.221979
22721906161982501906-1619841.681891
23721906171976531906-319842.281998
24701967151936491953T19071.871979
25641967111945471967-019452.111870
26721950171939451967119051.622011
27681974161918531916119941.391976
28651880151888441974-219352.101994
29702002171977431974-018731.031990
30701947121873451891420141.101939
31641947162019401916T19201.201878

KTTN - February Records

Daily Climate Records for KTTN for the month of February
DateRecord High (F)Record High YearRecord Low High (F)Record Low High YearRecord High Low (F)Record High Low YearRecord Low (F)Record Low YearRecord Precipitation (in.)Record Precip Year
1672012131971462012-319202.011915
2611973151971441990-418812.491973
3631991151955422006218811.771982
4671991161996461890119181.631920
569199151918402008-619181.521920
6712008141895442008-418951.791896
7672008151895402019119931.171941
8652017121895481965-819341.121890
963199061875401900-1419342.001867
1067192531899501925-1018991.542010
11682009101899521925-918991.551983
12681999101899481880-219072.001866
13651880101899421909T19142.451966
14671984131916511949-019161.182005
1573194981943481984-219431.831876
16721954162003521954120151.151873
17672011131958501891-318961.101902
18722011151979502011T19792.031871
19692017171936501981219362.151866
20712018162015541939020151.701921
21782018201968572018320151.441951
22671997171963451996819631.842003
23741874181868491985118682.301878
24752017171914501915-218891.671977
25761930181934511930118941.541888
26701890201900501957519901.911871
27731997181934491976619341.521958
28691903222014511903119341.701902
296719762019805018801119800.702012

KTTN - March Records

Daily Climate Records for KTTN for the month of March
DateRecord High (F)Record High YearRecord Low High (F)Record Low High YearRecord High Low (F)Record High Low YearRecord Low (F)Record Low YearRecord Precipitation (in.)Record Precip Year
1741972221980552017819801.601892
27519722418726119721219801.572007
3731991241943481991518681.441991
4741974241868551880118681.401906
5761976261926531979418721.721920
6711894231872492011620151.772011
7742022242007521876720151.891967
87820002719435320121019842.011875
9802016221996501903619841.801903
10812016251984552016-019841.401869
117320212919375119551219872.221888
128219902519845418981019842.701888
13821990312014552012618882.522010
147920072719935220121218961.561956
15781990292017541913819932.601912
168119452519165719901319921.542007
178619452519165619451119161.201878
18802011181967561927619161.521871
19792012261944541894919931.601899
208319453019445719481519231.741958
218319212818726019031219862.021980
227919383018756119481118752.251977
238120122319345619291319342.912024
247719882818885319031219061.352021
258219103219605519281618963.621876
268120213419715519041818661.521978
278220073719555919492020143.101877
288419453220225719221619232.071932
298619453419235619071119231.851984
308719983519706219772019701.752010
318419103519646019981719231.481997

KTTN - April Records

Daily Climate Records for KTTN for the month of April
DateRecord High (F)Record High YearRecord Low High (F)Record Low High YearRecord High Low (F)Record High Low YearRecord Low (F)Record Low YearRecord Precipitation (in.)Record Precip Year
18119863519236320161119232.021998
28319673819245619672119112.402005
38519633719435720152519851.791982
48218923519756219812419542.851987
58619103619445618972219952.771984
68720103419385819472119822.231958
78920103319826420101619821.882022
88919913220036519292319821.931940
98518713720036519912419901.851998
108720133818686519222019852.031874
118620113519186019222319090.871919
128719773519186219472519891.561933
138520233819406020192519401.632004
148919413919406220142519503.691903
158719944019436320022819434.562007
169120124019356220022819434.101986
179320023618756418962820201.371954
189319764418756420023019282.801879
199019763518757018962920200.991943
209119414019047018962719262.391874
218719854119476119583019251.791991
228919854319405919923019222.062012
238919604019866319022819881.221928
248420014319306120112919301.461944
259119154219196020113019192.851874
269219904519196420093320242.101889
279319154619206720113419672.301904
289019904219666320113019931.481923
298820244018746519563219921.351869
309019424519646619743419314.032014

KTTN - May Records

Daily Climate Records for KTTN for the month of May
DateRecord High (F)Record High YearRecord Low High (F)Record Low High YearRecord High Low (F)Record High Low YearRecord Low (F)Record Low YearRecord Precipitation (in.)Record Precip Year
19120104618696019833520222.091976
28820184418696820103619032.311869
39120184818736920103520052.211985
48920014719356619423219861.541893
59119284319176220183519111.632017
69119494619586719493619922.251871
79319304619676619053520012.101908
89319364518986619303620202.001867
99219364720207020003119851.201969
109518934819196818953120202.251876
119219114819247218963419131.881981
129319115120106818963319071.321943
139019914920196719703520201.502017
148919915319206520123119961.751937
158919005419786619763419841.341981
168819515319156519004020161.661940
179120175319136419763618951.412018
189619865420027120173720231.822002
199619624919507020173720094.201900
209419965120006819623420021.761894
219419345119246919963620023.431894
229519415519097119593620021.611894
239919115520037020214120062.071979
249419105519277020043819632.561999
259419915319677119024019562.021952
269418805319076820184219881.892001
279419915119616919654119612.792018
289419415519687019393719971.511984
299319865020217119693519022.321968
309619865120217119693819931.621912
319919865618787518954219302.051904

KTTN - June Records

Daily Climate Records for KTTN for the month of June
DateRecord High (F)Record High YearRecord Low High (F)Record Low High YearRecord High Low (F)Record High Low YearRecord Low (F)Record Low YearRecord Precipitation (in.)Record Precip Year
19818955719457618954219842.042001
29719255219077618954219932.031956
39718955519457119433919861.601995
49719255820037519434319882.801879
59819255619267420104419903.111992
69819255518947519254619452.901877
79919256120037519254619933.512013
89818995819477520084419321.231955
99919335819557520084419132.601989
109719845519107319734219882.591944
119619115619107219844319722.551870
129419336319247220174920187.031996
139518925919827420154119071.652009
149619566020027720054819912.041969
159719946019717518994519332.501908
169919916119657519574819971.261982
179619396419597419454719263.131867
189619576519737619574719862.021867
199619946019357418934819991.481992
209819236119587518934919261.611981
219719236319287520124819261.401973
229919886219927420244519922.181996
239718946019727420244219921.411875
249818946119367620105019021.942017
259919976219747519765120211.011892
2610019526618678019524619862.471867
279819636319687419435119962.791921
289620106119387720105319051.952006
2910019346518887519095019192.331973
309819646419967819455219194.001939

KTTN - July Records

Daily Climate Records for KTTN for the month of July
DateRecord High (F)Record High YearRecord Low High (F)Record Low High YearRecord High Low (F)Record High Low YearRecord Low (F)Record Low YearRecord Precipitation (in.)Record Precip Year
19819456918887719454619881.762005
210019016819187919015319885.271987
310219666219337619665020013.001941
49920106319787819664719861.951906
510219996519728019995319792.771989
610420106319567620245219976.741880
710320106919437920105320013.021872
810019936720057719935420004.831964
910619366619647919815119842.101952
1010419366519177819375019093.601950
1110019366419177618975419962.551965
129619086719907720115420022.882004
139818766719907719815520012.711991
149819546819267818965719992.781987
1510119956519267819955319993.071961
1610219887019897819835519931.781979
1710019887319627619835219872.501965
1810020127219628019005519932.301903
1910119916920007920135519242.491993
2010119917220127820155019975.751975
2110119916919567819805519972.281967
2210620117119968220115719933.281880
2310420116820078320115519852.841953
249820226719748220104719852.081997
259719996518717719655519121.872016
269918927020007818995319202.141986
279819407018977819305319202.931984
289819406919147818945419123.001866
2910018947019078018945319922.841961
309819996619147818945219973.171960
319919546619237919175320212.461996

KTTN - August Records

Daily Climate Records for KTTN for the month of August
DateRecord High (F)Record High YearRecord Low High (F)Record Low High YearRecord High Low (F)Record High Low YearRecord Low (F)Record Low YearRecord Precipitation (in.)Record Precip Year
19920026819238019175418952.601977
210020025918758020065419922.012009
39819756419217720065219853.731950
49819876619097620105219122.241915
59819556819597820105119123.101904
610019186619157819554819944.452024
710519186719758119184919945.181921
89919837019427920075119892.861927
99920017119547919805019892.971962
109620106119628018955419994.591902
119818966619898418955219942.601875
129620166319797918965319303.521924
139820026719348018955019022.641955
149920026720007818955219834.662011
159719886519927818975319642.001866
169619976619927819385320143.801867
179620026318667619445219791.941928
189620026620007520025319154.581879
199520027119887420215419243.511939
209919836419907619375019982.981904
219619556320077419684819842.531888
229719166620077519594619883.292009
239519366419377418984819232.701933
249318986219457618984819944.301877
259419926719067719004819872.401958
269919485919407519755319952.101908
279819486019277719005119104.791971
289819736319277719734419863.251971
299720106419157719483919862.631959
309919916418917620184019861.511911
319919536419037419734619862.841911

KTTN - September Records

Daily Climate Records for KTTN for the month of September
DateRecord High (F)Record High YearRecord Low High (F)Record Low High YearRecord High Low (F)Record High Low YearRecord Low (F)Record Low YearRecord Precipitation (in.)Record Precip Year
19720106418697618985019915.602021
210019536419357718984519912.052006
39719936319357620184419913.231969
49519296419267518984519971.561935
59519856319637619614419944.101868
69919835819637420184319842.882011
79419836318777618983919842.141929
89520165919177418944119842.691888
99520166120187720164219862.261924
1010119835819247320164519172.262023
1110019836119177220134019172.851954
129518956319507619004019853.181960
139319525919647219473919853.081944
149320166019337319154019853.071966
159219275819547419153819854.021904
169519916019637220053819847.251999
179519915719457419913619863.121934
189418806018687019723719842.381936
199419835618757018954019843.111989
209418955919017219893519935.321874
219618955718717318954019913.371966
229718955919777219803519041.041990
239718955619677418983819042.341975
249220175219507319703719632.271975
259219705719507119703419972.121940
269218955320007219703719832.081866
279219985719846920113619473.211985
288818915019847020113619915.732004
298819215519287119593819422.101963
308619865419927019013519121.572020

KTTN - October Records

Daily Climate Records for KTTN for the month of October
DateRecord High (F)Record High YearRecord Low High (F)Record Low High YearRecord High Low (F)Record High Low YearRecord Low (F)Record Low YearRecord Precipitation (in.)Record Precip Year
18619275419297219543219932.712010
29320195419397019543419971.572015
38818985020226819543420031.341987
48620135219987418983219964.301877
59419414918667418983619961.551867
69119414819357019953219932.051871
78620075120127020052919842.201951
89020075119887120173119854.802005
98620114819177320172719885.421903
108919394219256920183119892.151871
118519494819517020183119931.722006
128619124919876618703019963.021870
138619545019886619902719871.201866
148619754718746419702819873.251955
158419754720096820142819871.641889
168818974520096518793220061.651974
178719384819766519283019851.431942
188320164818686818992819852.041927
198620164019726419472720153.781996
208019694419746719162619923.701910
218519474719746218672819912.141988
228320244819406319842719402.121970
238519474319696120202819971.631983
248220014619376619002719871.811971
257719634619626419083018912.671980
267820234119626419082419873.221872
278319634119366220102219872.431987
288219194520086319712819921.981953
297919184419526219472119853.122017
308119463819256619182619832.901866
318220244119256119502119881.531926

KTTN - November Records

Daily Climate Records for KTTN for the month of November
DateRecord High (F)Record High YearRecord Low High (F)Record Low High YearRecord High Low (F)Record High Low YearRecord Low (F)Record Low YearRecord Precipitation (in.)Record Precip Year
18319504218696519562519832.191932
28219504520026619712720231.161897
38020034218796219362619861.701910
47819743818796319772419831.401893
58019614019336219612319911.481939
68020243419536520152019911.401911
77620223819535919382419932.731977
87720203919766419752219932.851972
97819753819766518821920191.151926
107420203919736818822219952.101875
117420063319876019702120171.341995
127419124019955620222320191.801975
137319123520195818791919861.581937
147219933419865719611619861.891972
157919933419335620111719962.001866
167320052819335818771619962.251892
177218963219246019271919331.521869
187619213019595619281819361.451868
197419213220146219061719972.072003
207819853319846419001719841.921988
217519312818795819911319873.101876
227219313020186019911519871.732011
237219312919895419341320181.701875
247120143120135919791519892.321873
257219792919386019791920132.311950
267019462919385519191419381.741996
277318963019365818961219321.872013
287618962519305319731419302.831993
297219902819555520051419291.511874
30721991231929591934918751.801866

KTTN - December Records

Daily Climate Records for KTTN for the month of December
DateRecord High (F)Record High YearRecord Low High (F)Record Low High YearRecord High Low (F)Record High Low YearRecord Low (F)Record Low YearRecord Precipitation (in.)Record Precip Year
17120062618755319911119361.562010
26519802519305019821419462.131986
36919982419765019821119761.381901
47319982719895519821019892.001866
57420011818715719731019261.641993
67220012219265520111219262.101877
7761998281958512022920022.511868
86619802519895319511019062.051875
96919662319345618841220022.251978
10721966181917521907418762.101878
11662021221995551882918802.052008
12682015191988581899419881.621894
13702015181960522015519882.301941
14682015222005561901820051.781897
156720151819145020151019141.561879
16661971171917521971919172.421974
17662000201951551883219192.221888
18662006101919451996T19192.172023
19641895201919501929619851.201865
20651895111942551957T19421.471903
21681895201955561895-219421.651878
22682013161989592013419891.961983
23701891221960571990219891.551907
24722015142022612015-419831.952003
2569188981983602015-319831.421891
26681889121983511964T19831.402009
27632015141925571949119891.821894
28662008212017482023619332.531869
2974198471917521984-419171.951901
3064199061917431992-818802.591948
3164199291917472021-619171.021871