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Chapman Tunnel (1101)
Colorado SNOTEL Site - 10110 ft
Reporting Frequency: Daily; Date Range: Period of Record


(As of: Fri Oct 22 23:32:24 GMT-08:00 2021)
**Provisional data, subject to revision**

Water Year Day Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug Sep
Air
Temperature
Minimum
(degF)
Air
Temperature
Minimum
(degF)
Air
Temperature
Minimum
(degF)
Air
Temperature
Minimum
(degF)
Air
Temperature
Minimum
(degF)
Air
Temperature
Minimum
(degF)
Air
Temperature
Minimum
(degF)
Air
Temperature
Minimum
(degF)
Air
Temperature
Minimum
(degF)
Air
Temperature
Minimum
(degF)
Air
Temperature
Minimum
(degF)
Air
Temperature
Minimum
(degF)
20070736
20070837
20070938
20071033
20071131
20071236
20071336
20071440
20071542
20071641
20071732
20071832
20071932
20072037
20072135
20072237
20072334
20072430
20072525
20072627
20072728
20072834
200729
20073020
200731
200801302120-17-116-21935404440
200802292085-2-1201536384833
2008032819911-2-761034384735
2008043122201810012032414531
20080536242223-10-9202732434334
20080622242518-3-7182931404432
2008071825268-64103035404535
2008082025170101682530384433
2008092923413102242426404638
20081034285-475181934414035
200811332514911331832423833
20081231262-3181422927403931
20081332234-1148152727383930
2008143117-9-3206172731424131
2008152416-15-180262634423730
20081623246-1973182440413533
20081721254-2048103037423833
20081821265-1442103238413633
20081926289-425253636403732
200820232261812223334434032
2008219077911193635463840
20082290-12170182736444132
2008231711117-2252738444230
20082423-10199182536424230
200825248-5131817143036434032
2008262710-94525133140464034
200827279-10451582938434133
20082827-1-171159173238423933
2008292810-1926273238403933
20083031175-828282940393934
20083124-14-170314242
2009013330201441062835393642
2009023232211482623137423940
200903313018-51129203034424340
200904352315-1082893135404238
20090532134-792013138394336
20090626123101826-13132374540
200907240171517883131414238
20090829241512161202931413639
2009093118311117182634423137
20091037173-391173134433639
2009112919101510283033443836
2009121522916-111223633433935
20091313272015119193436454236
200914217-141864253333423936
200915205-159-58293433413635
20091626151081013223134403337
20091728201181519193035403437
2009183023561024223337443636
2009193122612121143534443435
2009203119010027223539433735
2009211915-311228263639423924
200922101519201226283437404325
20092310115272818313343424329
200924217-11222017313440424226
200925241612241716223444453930
2009262516-411216193544413631
2009272429-16-7-41183239403735
2009282819106-53323138403633
200929271811314283138423836
20093030221358263338424222
200931281078333842
20100117221011012121634414835
2010021623-1013-3671734454535
2010032621-141510151937434333
2010042925-16-268232638344338
2010051928210714282740334041
201006163001897152240354032
201007232912-8811112043384231
2010082728-8-8-12252242374739
2010092025-163-713133442364333
2010103323-139-215212941404130
2010113226-67811252537384128
201012303310881301934384030
20101331231711127152534443838
201014331989-712153033453837
20101531-205-88242331454037
20101627-3128610252336423935
20101728131118412302836443736
2010183014011919283135474038
2010193311-263-2263238463936
20102031810618-8303337503940
201021251710613-2323238464038
2010222110147-1015283837444237
20102326-2147-1018273335454031
20102429-4-71008242439423929
20102599-6-1123262343434031
201026513-94218243040444036
2010271812-41249223438484236
201028814-115154323739474036
20102941011812132940483736
201030488824152843454236
20103116-3429324437
201101361917-22-155261537354743
201102331919-12-281125833394440
2011033425284-2615141029404337
2011043423242-1072232424334
201105332416714-1151633424036
20110636261310120242637434341
2011073525611812223032424136
2011083124811-47283032423835
2011093219247-169182132433933
20111032619-16-157131830444132
20111130118-17117122833464034
20111230319-1421212535423934
201113281218151111212333424036
201114291321131211132834434534
201115291988111662932404334
20111629132151921223238444233
2011173090231226293136454434
201118301016181115302636464333
20111929172641227202135444433
201120281931-7324222134434134
2011212915264427253033414431
20112232-1183-119243333434230
20112332-225-3-114263036424331
20112431-128-4149282841444335
20112518-197-42014243138444235
20112618-3124149193139474534
20112778114422123436444434
201128891741563540424435
2011292126122163542424335
20113026-93818112438434136
20113122-18-431224541
20120136249237283237434342
201202345111212-2263238464240
201203345111200223238444141
2012043617410-210233339464038
2012053317-916-111243139444135
2012062010-1513116172837424535
201207168217-316122738444335
2012082364307202437434233
20120918164108272842414335
201210255713713283129414338
2012113086-81215313128434341
20121227177-101416243033424035
201213272312-31319182935434131
2012143018117622232637453931
2012153119111221223137434033
201216711424183338404133
2012172678-8026173141404232
20121824211313-214243542413931
2012192226142576293141433831
201220282251305252938444032
20122127183121014313236433933
2012222916-532315303643434534
2012232814-76122313245444536
201224281727-424332846424235
201225331472830323646433933
201226172128-127352946423930
20122713710-3221272746424332
20122810169-51526242644444430
2012291517285426233043464331
2012301814241127243143454433
201231210429324442
201301322622-6916261327404345
201302312518-9617201130424243
201303332214-12719211337394244
20130438241004-5212334404246
20130534242108-6292834474144
20130627261721312273132444242
2013072025165119252935434142
2013082425147619282838433743
2013093031-98109122735443641
2013103010-6112582444453744
2013113143-9-69162640443742
20131229-34-17-1118223237463840
201313261211-17916183445463743
201314281213-191420203338453739
20131527149-21425203335423738
201316301475322223236414038
201317262114681793236464237
2013182721186-41623037434238
2013192616-136-3863038444131
2013202916-15698213038434230
20132130204529223038424235
201322301961005253038444634
20132336161012-4-153335414230
201324191815175-943238474228
2013251517-128-3-12133239434432
201326614216-13233240414533
2013271813718-622223242424326
2013282413-1112-819253244424318
2013292419-12-127313147404226
20133024183124323243394532
20133124-51418294045
201401311496-31919934383835
2014023114266-1016182131363537
2014032819271121362935414041
201404199-11-311243232434540
201405192-15-3-812113133414338
201406193-14-8612193034424238
2014072712451419222634444037
2014083121-11192010172234423842
2014093020-158267222227423940
2014102921-1181115293133433835
201411252101302252335443833
20141221216118-4292033444031
20141326201011276161237434431
2014142819411251091231434336
2014152119169268102930434236
2014161519143194202936424237
2014171513136411173345394138
2014181510155178273533404037
2014191616199106303331424239
2014202128105-16293232434039
201421182414413273139433840
201422202443136313138424240
2014232319160175223437473838
2014242621-1-11410163337463636
2014252714-292313243138453939
2014262611591820282942444039
20142725109111920223440424039
201428281515-7248153341443839
2014292410466183739443533
20143017892323123543453731
20143122131619344239
20150129321401219283134444239
201502263012-31721203236444740
20150328242331916123136434440
201504291324324-7113234434139
2015053018181320-7223335444140
20150631221725166283333434338
20150731261420178233032424240
201508332213172013172832404136
201509362414131811222735383834
201510352015122512202639383935
20151132914231413222338384736
20151228717191123252837414636
20151322624111620203136444237
20151422241851816283139423838
2015152814461421162436394140
20151631-299427192242384540
20151730-4119525152941424141
2015183101510731162939413633
2015193286171320263043413432
20152031111081816252841393831
201521331220-5620233143413933
201522311111-11923233343414237
201523309-6-11127242843414037
201524298-75516242843424034
201525301016191111253142404136
2015263319-319-110273243404436
2015272016-721023233242424236
2015282020-118-228223143383838
201529221551627283044393939
2015302724-42124292944404240
20153129-41727344240
20160140250-1182011531474240
20160237280-3-12582632444540
2016033328119-1215192335404440
20160432191112-1321242735394842
2016053319314-321163036424743
201606348211-425143337424344
201607323117922232436424137
201608311422169242336424435
201609331218065293137434134
201610331924-71210272439444231
20161135729-71418272040403937
20161231515-11927282138383735
201613329371823252934403536
20161432111441321293333393636
2016153114282414283136423930
20161631220101814223036444030
2016173317-1101719202936433931
20161836207152211222637463832
2016193322138105233340463734
2016203321510166263444433839
20162130-61621221243346453741
2016223181971324282944433841
2016232813512116282945423827
2016242216-811-216283042433726
20162525212157243042423531
2016262617-8-6111202940423629
2016271715-8413-2263039413433
201628157-191415252842443734
2016292413-5151512253042433636
201630217-4199193242443535
20163128-10154304437
20170133302416-2163034364042
201702332751013-3292633404140
2017032426316124192731394241
20170425280181612112538414242
201705273185132833137424240
20170621292-13196153437444139
2017071828-11-72212732364443
2017082426-12202621313040434042
201709302721212817143237433941
201710312822192623103144464140
201711342716212526173239444040
201712322613192522293133433940
201713312613161417283331414040
20171431262516723293232404038
20171536292618526243135424133
201716343320171126262938433732
2017173012-1271528282441443832
2017182810-1122327302440443835
2017192017-772330282439454043
20172017261051129232341443934
20172126301552030202044444136
201722311723142831153042453938
20172331111513429212638424233
201724316157322283037433828
201725318130-919243636473823
201726296-5-11-822213338483824
2017273018-5-15119172842464131
20172834106-6728162440453931
201729335422282940484331
20173033-391121143137434133
2017313261521334242
2018013128226263292733364237
20180226302232913273031394237
20180324282162820102835434138
201804333588248192635424038
2018053431013246202839434336
20180629302208-4313137414235
2018072624-51360333338443935
20180831148141312263138434037
20180921188261820193239424040
2018101623717412173438464238
2018112521117-68303433443741
201812321715141317203436434239
20181330281691619143140414436
2018141923481819172946464234
2018151919421324232945444237
201816272515-3-312303044424341
201817271581312113244464240
20181829468121263140444342
20181931101319127223138463841
20182029131422-126263036473632
2018211826118-1414233139454431
20182218250-6421223339484133
2018232628132120303336454137
201824222622315223135474035
20182526241811-220173434454229
20182624259-4020263541444130
20182719288-5614233543423931
20182826201457112932444033
2018292319141010313340403836
2018302716191515303339404036
2018312992122373740
2019014221-2-3624101732414242
2019023929-4-6427261732404542
2019033824421820241933404442
2019043517-812177222332394645
2019053122-613223253033394243
2019063082218530223033384343
20190734398-1322203236404440
2019082911013-1320262936384540
20190926-101659302430354337
201910246-11528182231384836
201911267715-512141932424435
20191222-464-621122733424232
20191320-4111913113035413830
201914131062284103135444033
20191541412411-4273233424136
201916914112024283535424339
20191720151013-38272538454138
2019182371416-711282338424137
201919246101-16262137424136
201920249414-31282838444134
20192126111216-213292735414230
2019222912-3-41517252431434129
2019233119-1-8522262531424331
2019243214611-622291932444031
20192530-288115312635434532
20192629-2154812303039444235
201927271003927342837423737
2019283024-4-41629312040423535
2019293015-10-617303043404143
20193024141-311302642444036
20193116228304241
202001357-581516233338324036
202002286146177183137394235
202003261412-110473137414336
20200431211211-144212739414739
2020052719225-1912212138404341
2020062518122414252836414241
20200723171592219242533444142
202008281721111828212029424122
2020093122931323252729404022
20201010247-71018262633394232
2020118128-7-614213432404432
202012149100922173435464431
2020131818207112193040454033
2020142715168819-431434035
202015252275819113137414136
2020162822-8142115203140424235
2020172919-1331421153338414335
20201821231-3620173535424436
202019192214720223535424439
2020201826-13-814222931414437
202021192562216212637414236
202022242014211213252940434336
20202321717181113283138404436
20202410101912119262841474535
2020251013413-1229292539474539
20202621-6117-1323272938464338
20202718-6491215273537444228
20202814192-175303543434123
202029614-11996263841404028
202030-5-1-13417323735413931
202031-5-10-217384040
20210131204611-773131424447
2021023124-32154213134414446
2021033229-38146253035424440
202104302987216282937444138
20210532281281210292540453835
202106312911-11310232638444537
20210732311341516223240424037
20210832201311623263038463838
20210933151412424232435464138
20211034815-3185182240424041
2021112323-6143241935424142
2021122252-12311181937434240
202113295-8111416302840444242
202114334126817283141404338
20211528904313243143394337
2021162421417911203545414038
202117301942311493245434037
20211833291611-5763242424535
202119312446-615203241433438
2021203125106132283341473329
20212131181816723153540473626
2021223010817915213544454129
2021232629-631012172843464132
2021243012-62513162638453933
2021251969-316302836443634
2021264911-338323437434235
202127459-8-311293136434236
202128146816-1013263134474135
202129214-52218253336474136
202130193-893303238474033
20213122110-2314440
20220134
20220233
20220331
20220431
20220533
20220632
20220730
20220832
20220929
20221027
20221125
20221225
20221319
20221418
20221514
20221617
20221726
20221830
20221920
20222019
20222123
202222
202223
202224
202225
202226
202227
202228
202229
202230
202231
Chart Help

Tooltips

Hover over a chart series and a tooltip will popup that shows the series name, the date, and the value of the nearest point.

Zoom

Zoom into a specific area of the chart by clicking and dragging anywhere on the chart to draw a rectangle around the area to zoom into. Reset the zoom by double-clicking anywhere on the chart.

Toggling Series On or Off

You can toggle the visibility of a series by clicking on the series name in the legend. If a series has been set to invisible, the name of the series will appear in the legend with strikethrough text.

When series are toggled on or off the chart will re-scale the Y-Axis as necessary.

Saving a Chart as an Image

Click the "Export Chart as Image" button to convert the chart to an image and to display that image in a separate window. To save the image to a file, right-click anywhere on the chart in that window and click on the 'Save image as...' option.