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Grassy Lake (499)
Wyoming SNOTEL Site - 7265 ft
Reporting Frequency: Daily; Date Range: Period of Record


(As of: Wed Apr 14 06:45:00 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)
19873032
198731
198801323232323232323232324636
198802323232323232323232323641
198803323232323232323232324442
198804323232323232323232322940
198805323232323232323232322932
198806323232323232323232324335
198807323232323232323232324035
198808323232323232323232323327
198809323232323232323232322925
198810323232323232323232323327
198811323232323232323232323525
198812323232323232323232324223
19881332323232323232323533
1988143232323232323232323026
1988153232323232323232323126
1988163232323232323232323426
1988173232323232323232323332
198818323232323232323232353217
198819323232323232323232433113
198820323232323232323232424232
198821323232323232323232343031
198822323232323232323232372426
198823323232323232323232442920
198824323232323232323232383034
198825323232323232323232383534
198826323232323232323232394326
198827323232323232323232474426
198828323232323232323232433826
198829323232323232323232403524
1988303232323232323232383226
19883132323232323935
1989013319710018201424354626
198902283249-112363134313828
1989033130514-8-183234333426
1989043119610-10-23-62734363521
1989052614-611-20-4272329353226
1989063024112-2120352331333835
19890726143-7-2727333131374840
1989082423-7-5-2224223333395336
198909336135-1533103534484731
1989102714172122683334404124
198911252017-9-122163027324128
1989122418-5-515133033514325
198913322518-14-618132929423819
198914272025-1313202833364422
1989153413-84-21-9253036394223
1989164016-711-1124293135394126
19891719-1181718222727383435
1989182611-2192319252234344328
198919328-362212251535433825
19892026014-2192261835523430
198921241813-6192272226433232
198922312613221827283024504232
19892323219-71315262634523831
19892422-5-3-2188271931423326
19892525-123-252628241728413129
19892624-8-10-151527231832563032
19892717-11-8-121425262139493541
1989282011-16-121123203433482833
1989292312-4-321172931442632
1989301925012102938503330
19893118121916275229
19900132-9-71611-6191025403631
19900232-2-35115191329543740
199003311643023202426383337
1990042917117-416212740374149
19900526142510324142229454444
199006222211-251862431393639
1990072018-45-111202740373934
19900823424-1211330334135
19900924271251622261028405339
1990102532-10272220241539344236
1990113424-21212716263238364732
1990123122211612332274534
19901331241114-16-21526264234
19901424111526-22143220344634
1990158221-26-1262027475035
1990161919-518-2-6281432464635
19901715130-2811292229394528
1990181523-13-7-1512253233443832
19901919130-8-911262331384441
19902023914-14-1623262835424429
19902124130-21420302838384028
199022309462018313031343127
19902329321577322938343529
1990242811-131-3292935453632
1990252915-8126-7222444413332
19902620182-1555162138393436
19902722102-16321142539422837
19902815-7112021163833423035
1990294-7-31315103534444029
19903013-710171072942453226
199031-3111115254726
1991012622-1-2-12712833313843
1991022567-3-327152832323235
199103245-4-71927292432344234
1991043820-5-61630222130364432
1991054014-5-1599412833383733
19910613-6-10-913-33033404035
1991077-12-96910172931403744
199108718-665-682927383542
19910912263-26-1263032404542
199110201727391632295036
19911116111918-316102930314031
1991121511-323161382832333930
19911328106231153035443628
1991142520321269212826424931
199115329-17122910243122414029
199116207-1289252628413826
199117716-316614233238384129
1991181028821-510212827394127
1991191529-12-101720182736323927
199120615-22-172610122633363926
199121414-14141232535343736
19912229226137192636403821
1991231826-28-5623213035454923
1991241221-21-15210253135444724
1991252126-16-19-117243333404126
199126249-15-4-318172629374426
19912718609217182228344228
1991281910-1-15-26191837373632
19912923-3-28-293152238363032
1991301913-27-290123034373231
19913132037313836
19920131-4-228015152531294134
19920230-1410-6123222030364330
19920321-1711-6721212231324730
19920415-478225252831403638
199205162217-830232933343636
19920620262214-52793034513731
1992072324191602173035343523
199208252617111620293532285127
1992092328-1-51512333032354027
1992102619-14-3189322434383326
1992112619-17-52411323444413831
1992122515-5-81711292132354736
1992132526012314272932354825
1992142419-4-122317242832374418
199215265-10-181718293032374226
19921626-2-302018282832344933
199217301-2-101119252533434933
1992181518-3-131320203631374325
199219221116-112521163442453625
1992201713-10-42923114038454128
19922120-1-8-122813233837385129
19922232-10-93216244039404027
19922319-13-112613213542382632
1992242015011102093542342431
1992252320-2101115173947302129
1992262922-25411263641311722
19922716141-2929303142332226
199228340131020262938402922
1992290-61121217263143352926
199230-2-18-1224302832342727
199231109-424283536
1993012927-4163-7122331283335
1993023515728-42426323829
199303314-1901-6282632324026
19930432-5-200-7-10272933354331
1993052921-10-2119113036353834
1993061722-13-15-32043031364041
1993071125-13-1821522731323435
199308162218827172334313528
199309251817-1227172133283330
199310221117-1212162432344431
19931125721320-7163437314432
1993122686-1617-17153527324128
1993133622-9-915-1103121393723
1993142816-810214531253119
1993151715-142-425203138403726
1993162014-1212-1824253230313333
199317257-1-3-21282030272831
19931820241-110292526332927
19931925160102526163031294332
1993202223171122113133394530
19932124-51620910203243354225
19932224121514683130403623
1993232002032132632324033
19932427-12124620252928353723
19932526-16-114-432283128333326
19932625-14-10-1427263131372721
19932725-114-3-1726192835352423
1993282219-3-930203635322625
19932932-8172252531304328
1993303066219262625452928
1993312300143123
19940161820425212435414743
19940225518-1125211926354442
199403241723-1621212530304942
199404261612-111472534285229
1994052612-917-161913429304624
1994064222-2-75243032333727
19940732610-4234203529303630
19940827514-85112929314234
199409252242-1162625354035
199410261018152252826433729
1994112471317-1222163030374332
1994123314-519-1815153345313943
199413346-12-1211213238414043
19941432551182628434035
19941551421-514183124464031
19941626414161219182828423827
199417255-71711223124383130
19941820-4-7613263131373229
19941921-3636302832393629
19942013-418-42540334328
19942118-15423262647404324
19942221-6418312543373224
199423233-146-62638502624
19942423-23-3916-12293131483129
19942520-24-6816-4263039463433
1994261864290213637403326
19942718-18131126-2183629414027
19942895-232213213428433426
199429-120-5-2143935383340
1994301200-172123239463539
19943113-227334539
199501332127-2231-271729312934
19950223124-1890263133343240
19950326-524-18822132436373644
19950426822-101719202636364041
199505321719-31512333131313736
199506292581315-8332623353729
1995072516117127292323424243
199508250-126202152632392829
199509222-529103182432432527
1995102320-530-103182729514628
1995112617-1224-1129-13227483827
1995123022623-528283031453328
1995132813824522292732363630
19951427-872825182435323334
19951526-83212682736322829
1995162514161224132432403931
19951725-518613172336384436
19951828-1013132719153233382731
19951927-162-3298222533422436
199520258-2-6203102330452923
19952127-112-71423172629403817
19952218-192-91414183030393816
19952317-1810-111617152829384729
19952416919-11217112629364524
19952518924151612203333314320
1995261710242430-1173235393925
1995274051822122233044383430
19952820712-4-25292635373228
19952910-15-7-1272532483633
199530719-1110-41626333131
19953117-222413302627
199601
199602
199603
199604
199605
199606
199607
199608
199609
199610
199611
199612
199613
199614
199615
199616
199617
199618
199619
199620
199621
199622
199623
199624
199625
199626
199627
199628
199629
19963026
199631
199701296133418-15102531323641
199702317830151471729314248
1997032710817-116-11128333842
1997042616-7-7-149162137295136
19970528010-12-38-42132404933
19970627415-20-121-102533394342
1997072618165-1721122435363934
19970828252512-120182235344434
19970926182617-120151838384245
19971027152921-129102440424141
199711301218-19172452535404141
199712281318-20141802135324034
19971324176-19122-52834343732
199714212130170263138324441
1997152386-525-8212936373738
199716156-17-61531152835423926
199717216-21-61015273034453525
1997181224-8710222542434133
19971919344917322143403632
199720330814420282432403536
199721-5261516-622212927354036
19972217281511014182840373831
199723242214-2-513242935444529
1997242614161-88263226464026
199725230162-86222925393728
19972611-3181211173129374146
19972711325-7127253137394028
19972891622-101292939483624
19972924-319-62735374435
19973022-1029155263237433127
19973118302318314034
1998013014195-9092629423937
199802398-629617242631384135
1998033313-13211813272532444035
1998043520-6192411242630424337
1998052516-7148-4243225433947
19980624195-5-15193125403948
199807292019324-15203131434245
1998082222181024172829394244
19980924134-1185173035404243
1998103112-1315714153134483943
199811227-1820818292734403741
199812172-14191311202631364446
1998131911-112015862830363839
19981424-4-219109142430403935
19981521-620162011222529363835
19981624-521131526162127364537
19981723202523121192730384634
1998182416715144-32429414339
1998192318-62052182530424032
1998202123-818-5-4183628434633
1998211821-8717133128424432
19982222-1-961931202834523829
19982323-2-13141433263035523227
1998241419-2231730272834483127
19982573-149932172639462735
19982692-159429133133424030
1998271120-1010-915132829473431
1998281518-87-1318212526473028
1998292213206172131324435
19983033821177232636473732
199831215613234344
19990137222718112113032304631
199902292727-411-962835324840
199903302426-139722629415136
1999042614121213-592326435230
1999051922-3181-1510929294829
1999062516-142214-1624430304730
19990725150192416221630424127
1999082318617125212531313725
1999092413-1318248191322303528
1999102313-1521-79-51021353931
1999112017-721-1810-82224354531
199912191817-15443027364628
1999132619718-6-2122631364325
1999142226616410112036403836
199915242712231712-22338303229
1999162228141313922143263128
1999171627211315-2121737403330
1999181822-817156242235353730
1999191520-12241611262635424637
1999202620-2421319282431414229
1999212725-30201031122637404327
1999223122-28189151227443728
1999233120-30182113233435333729
1999242921-11-22713233731424138
19992529168-101415313029334034
1999262781810624283127283723
1999273012144-912312828374118
199928262926-723-4322727404214
199929232526-8203333354536
199930282522-519313337434022
1999312120-414323833
2000012614231821872526414538
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20002016241926-80282631363528
2000211819132224-3263231363030
2000222014619246283536383127
200023205116119333338404023
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2000252223525170183338344220
20002623331218422283738383723
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20002826272-102722373942403825
2000292325-2-18215233339433234
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20021331261113-138282332463231
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2004152622921426272631494331
20041631261101428242635424739
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2004202848-3-322283030463732
200421291317-9-521233330443926
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20042416-1-18425212741413031
20042513-7232226212540373829
20042623161522319243338453429
2004272518152313264045413236
200428353-1202212253643423033
2004291714162518112029463933
2004301332131816262446373332
20043112201026293734
20050132-4101831321833364428
2005023111131101262332394830
200503291271951232734344138
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200506261213-410113230363930
2005072911231910293429414230
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20050929252319421233231394744
20051034302916-716163329424734
20051132223311-214103129404334
20051230221932016233234403533
20051325152011261282931443828
200514261917-107-6112729453728
200515291324-13-171542838393326
200516361068-2217143436463628
2005172816624-202223239374531
20051828101526-9-2283537344228
200519282010301629263734383825
200520331015232528203537423429
20052129-7-10151822213041453535
200522272-1411616262946514032
2005232818-2610327343740434238
200524921510017352943363532
20052592835121272740383031
2005262416312-121262940372929
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