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Built 2026-10-19 (19 October 2026)

Weather Records on 20 May 1927

118 weather records were set or tied worldwide on 20 May 1927. Highest significance: Geilo, NO.

Key Facts for 20 May 1927

  • On 20 May 1927, 118 weather records were set or tied at long-record stations worldwide.
  • 43 were record highs and 47 were record lows, counting maximum and minimum temperature.
  • By timescale, 0 were all-time records, 2 monthly and 116 daily.
  • Geilo set a daily record snow depth of 130.0 cm (51.2 in) on 20 May 1927.
  • Across 162 earlier years (1802 to 2026) the same calendar date averaged 458 records.

Record Map

118 stations
Weather records on 20 May 1927 118 station records on 20 May 1927 are marked on the map, coloured by record type.
118 station records on 20 May 1927 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.
Weather records on 20 May 1927: highest significance records shown on the map
StationCountryTypeValueSignificance
GeiloNorwayRecord snow depth130.0 cm (51.2 in)43 of 100 (Notable)
Winnemucca APUnited StatesRecord daily snowfall10.2 cm (4.0 in)39 of 100 (Notable)
Montevideo 1SWUnited StatesRecord daily precipitation45.7 mm (1.8 in)27 of 100 (Routine)
CrosbytonUnited StatesRecord high minimum temperature23.3 C (73.9 F)25 of 100 (Routine)
St AugustineUnited StatesRecord high maximum temperature36.7 C (98.1 F)21 of 100 (Routine)
VanersborgSwedenRecord daily precipitation15.2 mm (0.6 in)20 of 100 (Routine)
Kalispell Glacier APUnited StatesRecord daily precipitation16.0 mm (0.6 in)20 of 100 (Routine)
EscondidoUnited StatesRecord low maximum temperature16.7 C (62.1 F)19 of 100 (Routine)
Spokane Intl APUnited StatesRecord low maximum temperature8.9 C (48.0 F)19 of 100 (Routine)
Minneapolis Wb DwtnUnited StatesRecord daily precipitation26.9 mm (1.1 in)18 of 100 (Routine)
Sloan 3 SUnited StatesRecord daily precipitation26.4 mm (1.0 in)18 of 100 (Routine)
Winnemucca APUnited StatesRecord low maximum temperature5.0 C (41.0 F)18 of 100 (Routine)
Orleansville (Chlef)AlgeriaRecord high minimum temperature19.0 C (66.2 F)17 of 100 (Routine)
MalvernUnited StatesRecord daily precipitation36.8 mm (1.4 in)17 of 100 (Routine)
LakesideUnited StatesRecord low maximum temperature13.3 C (55.9 F)17 of 100 (Routine)
Butte Bert Mooney APUnited StatesRecord daily snowfall2.5 cm (1.0 in)17 of 100 (Routine)
NewportUnited StatesRecord low maximum temperature10.0 C (50.0 F)17 of 100 (Routine)
RosaliaUnited StatesRecord low maximum temperature8.9 C (48.0 F)16 of 100 (Routine)
Munchen-NymphenburgGermanyRecord daily precipitation15.1 mm (0.6 in)15 of 100 (Routine)
MilledgevilleUnited StatesRecord high maximum temperature36.1 C (97.0 F)15 of 100 (Routine)
Two HarborsUnited StatesRecord low maximum temperature4.4 C (39.9 F)15 of 100 (Routine)
Klamath Falls 2 SSWUnited StatesRecord low maximum temperature8.3 C (46.9 F)15 of 100 (Routine)
TooeleUnited StatesRecord low maximum temperature6.1 C (43.0 F)15 of 100 (Routine)
WatervilleUnited StatesRecord low maximum temperature10.0 C (50.0 F)15 of 100 (Routine)
AthensUnited StatesRecord high maximum temperature35.6 C (96.1 F)14 of 100 (Routine)
Bird IslandUnited StatesRecord daily precipitation23.1 mm (0.9 in)14 of 100 (Routine)
Milan 1NWUnited StatesRecord daily precipitation22.1 mm (0.9 in)14 of 100 (Routine)
Kalispell Glacier APUnited StatesRecord low maximum temperature7.2 C (45.0 F)14 of 100 (Routine)
Wentworth 2.5 WNWUnited StatesRecord daily precipitation28.2 mm (1.1 in)14 of 100 (Routine)
DeseretUnited StatesRecord low maximum temperature7.2 C (45.0 F)14 of 100 (Routine)
ColdwaterCanadaRecord low minimum temperature-4.4 C (24.1 F)13 of 100 (Routine)
Chatham 2CanadaRecord low minimum temperature-2.2 C (28.0 F)13 of 100 (Routine)
EufaulaUnited StatesRecord high maximum temperature35.6 C (96.1 F)13 of 100 (Routine)
MarionUnited StatesRecord high maximum temperature34.4 C (93.9 F)13 of 100 (Routine)
Newport 1 NWUnited StatesRecord high maximum temperature32.8 C (91.0 F)13 of 100 (Routine)
BlancoUnited StatesRecord high maximum temperature34.4 C (93.9 F)13 of 100 (Routine)
Logan Utah St UNIVUnited StatesRecord low minimum temperature0.0 C (32.0 F)13 of 100 (Routine)
Rocky MtUnited StatesRecord high minimum temperature18.9 C (66.0 F)13 of 100 (Routine)
SunnysideUnited StatesRecord low minimum temperature-1.1 C (30.0 F)13 of 100 (Routine)
Vancouver 4 NNEUnited StatesRecord low maximum temperature12.2 C (54.0 F)13 of 100 (Routine)
Havre Wb CityUnited StatesRecord daily precipitation16.8 mm (0.7 in)13 of 100 (Routine)
QuincyUnited StatesRecord low maximum temperature8.3 C (46.9 F)12 of 100 (Routine)
Soldier Creek Adm SiteUnited StatesRecord low maximum temperature6.1 C (43.0 F)12 of 100 (Routine)
Albert Lea 3SEUnited StatesRecord daily precipitation21.6 mm (0.9 in)12 of 100 (Routine)
Columbus 4 ESEUnited StatesRecord daily precipitation35.6 mm (1.4 in)12 of 100 (Routine)
Raleigh State UNIVUnited StatesRecord high maximum temperature33.3 C (91.9 F)12 of 100 (Routine)
Sloan 3 SUnited StatesRecord high maximum temperature35.0 C (95.0 F)12 of 100 (Routine)
Trenton 1 NNEUnited StatesRecord high maximum temperature36.1 C (97.0 F)12 of 100 (Routine)
CantonUnited StatesRecord daily precipitation27.4 mm (1.1 in)12 of 100 (Routine)
LevanUnited StatesRecord low maximum temperature6.1 C (43.0 F)12 of 100 (Routine)
Elko Rgnl APUnited StatesRecord low maximum temperature10.6 C (51.1 F)12 of 100 (Routine)
Farmington 3NWUnited StatesRecord low maximum temperature7.2 C (45.0 F)11 of 100 (Routine)
St PeterUnited StatesRecord low maximum temperature12.8 C (55.0 F)11 of 100 (Routine)
GolcondaUnited StatesRecord daily precipitation7.6 mm (0.30 in)11 of 100 (Routine)
DayvilleUnited StatesRecord low maximum temperature7.2 C (45.0 F)11 of 100 (Routine)
JosephUnited StatesRecord low minimum temperature-3.9 C (25.0 F)11 of 100 (Routine)
Lakeview 2 NNWUnited StatesRecord low maximum temperature6.7 C (44.1 F)11 of 100 (Routine)
Georgetown 2 EUnited StatesRecord high maximum temperature35.6 C (96.1 F)11 of 100 (Routine)
NewberryUnited StatesRecord high maximum temperature35.6 C (96.1 F)11 of 100 (Routine)
Lynnville 4 SSWUnited StatesRecord high maximum temperature31.7 C (89.1 F)11 of 100 (Routine)

Counts by Type and Timescale

118 records
Records on 20 May 1927 by type Records set or tied on 20 May 1927 by type: Highest daily maximum 29, Lowest daily maximum 38, Highest daily minimum 14, Lowest daily minimum 9, Heaviest daily rainfall 25, Heaviest daily snowfall 2, Deepest snow cover 1. 010203040Highest daily maximum: 29Lowest daily maximum: 38Highest daily minimum: 14Lowest daily minimum: 9Heaviest daily rainfall: 25Heaviest daily snowfall: 2Deepest snow cover: 1Max highMax lowMin highMin lowRainSnowDepth
Records set or tied on 20 May 1927 by type: Highest daily maximum 29, Lowest daily maximum 38, Highest daily minimum 14, Lowest daily minimum 9, Heaviest daily rainfall 25, Heaviest daily snowfall 2, Deepest snow cover 1.
Records on 20 May 1927 by type
Record typeRecords
Highest daily maximum29
Lowest daily maximum38
Highest daily minimum14
Lowest daily minimum9
Heaviest daily rainfall25
Heaviest daily snowfall2
Deepest snow cover1
Records on 20 May 1927 by timescale Records on 20 May 1927 by timescale: all-time 0, monthly 2, daily 116. 050100150all-time: 0monthly: 2daily: 116all-timemonthlydaily
Records on 20 May 1927 by timescale: all-time 0, monthly 2, daily 116.
Records on 20 May 1927 by timescale
TimescaleRecords
all-time0
monthly2
daily116

How Much Records Were Beaten By

83 broken records
Histogram of margins by which records were beaten on 20 May 1927 Margins by which the 83 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 1110.0. Ties are not counted. 02550751000 to 200: 82200 to 400: 0400 to 600: 0600 to 800: 0800 to 1000: 01000 to 1200: 10 to 200200 to 400400 to 600600 to 800800 to 10001000 to 1200
Margins by which the 83 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 1110.0. Ties are not counted.
Histogram of margins by which records were beaten on 20 May 1927
MarginRecords
0 to 20082
200 to 4000
400 to 6000
600 to 8000
800 to 10000
1000 to 12001

Top 20 by Significance

20 May 1927
Top 20 records on 20 May 1927 by significance
DateStationRecordValueBeat old record byOld record stoodSignificance
20 May 1927Geilo, NOdaily snow depth130.0 cm (51.2 in)111.0 cm (43.7 in)0 years43 of 100 (Notable)
20 May 1927Winnemucca AP, USdaily snowfall10.2 cm (4.0 in)10.2 cm (4.0 in)48 years39 of 100 (Notable)
20 May 1927Montevideo 1SW, USdaily rain45.7 mm (1.8 in)22.8 mm (0.9 in)16 years27 of 100 (Routine)
20 May 1927Crosbyton, USmonthly high min23.3 C (73.9 F)1.6 C (2.9 F)30 years25 of 100 (Routine)
20 May 1927St Augustine, USdaily high max36.7 C (98.1 F)3.9 C (7.0 F)18 years21 of 100 (Routine)
20 May 1927Vanersborg, SEdaily rain15.2 mm (0.6 in)2.2 mm (0.09 in)42 years20 of 100 (Routine)
20 May 1927Kalispell Glacier AP, USdaily rain16.0 mm (0.6 in)4.8 mm (0.19 in)24 years20 of 100 (Routine)
20 May 1927Escondido, USdaily low max16.7 C (62.1 F)3.9 C (7.0 F)24 years19 of 100 (Routine)
20 May 1927Spokane Intl AP, USdaily low max8.9 C (48.0 F)3.3 C (5.9 F)33 years19 of 100 (Routine)
20 May 1927Minneapolis Wb Dwtn, USdaily rain26.9 mm (1.1 in)9.4 mm (0.37 in)20 years18 of 100 (Routine)
20 May 1927Sloan 3 S, USdaily rain26.4 mm (1.0 in)17.0 mm (0.7 in)17 years18 of 100 (Routine)
20 May 1927Winnemucca AP, USdaily low max5.0 C (41.0 F)3.9 C (7.0 F)24 years18 of 100 (Routine)
20 May 1927Orleansville (Chlef), DZdaily high min19.0 C (66.2 F)1.0 C (1.8 F)34 years17 of 100 (Routine)
20 May 1927Malvern, USdaily rain36.8 mm (1.4 in)11.4 mm (0.4 in)24 years17 of 100 (Routine)
20 May 1927Lakeside, USdaily low max13.3 C (55.9 F)2.3 C (4.1 F)32 years17 of 100 (Routine)
20 May 1927Butte Bert Mooney AP, USdaily snowfall2.5 cm (1.0 in)2.5 cm (1.0 in)32 years17 of 100 (Routine)
20 May 1927Newport, USdaily low max10.0 C (50.0 F)1.1 C (2.0 F)33 years17 of 100 (Routine)
20 May 1927Rosalia, USdaily low max8.9 C (48.0 F)1.7 C (3.1 F)33 years16 of 100 (Routine)
20 May 1927Munchen-Nymphenburg, DEdaily rain15.1 mm (0.6 in)2.1 mm (0.08 in)31 years15 of 100 (Routine)
20 May 1927Milledgeville, USdaily high max36.1 C (97.0 F)2.2 C (4.0 F)24 years15 of 100 (Routine)

Significance is a score from 0 to 100 combining margin, the age of the old record and the length of the station's record. How it is computed.

The Same Date in Other Years

1802 to 1927
Records on 05-20 in each year Records set or tied on this calendar date in each year from 1802 to 1927. 1927 had 118 records. 01,0002,0003,0001802: 11803: 11804: 11815: 11825: 11837: 11844: 11845: 31847: 11854: 11858: 31861: 11862: 11865: 11867: 11868: 21870: 31871: 21876: 21877: 31879: 11880: 21884: 21885: 11887: 21889: 31890: 31891: 51892: 31893: 11894: 61895: 31896: 31897: 31898: 41899: 41900: 11901: 51902: 111903: 191904: 41905: 41906: 221907: 351908: 231909: 101910: 201911: 821912: 201913: 101914: 161915: 421916: 291917: 461918: 921919: 561920: 441921: 2341922: 401923: 1251924: 1891925: 2511926: 1281927: 1181928: 1381929: 3231930: 1291931: 4511932: 6891933: 4491934: 5821935: 2591936: 2071937: 2701938: 3311939: 2661940: 3371941: 3781942: 3371943: 8021944: 3151945: 4981946: 3391947: 3581948: 5141949: 5861950: 3271951: 2881952: 6151953: 5181954: 8221955: 4211956: 5651957: 7281958: 3781959: 7851960: 6121961: 3331962: 7731963: 7321964: 5171965: 2001966: 4161967: 5871968: 7431969: 8851970: 3101971: 6531972: 6121973: 4191974: 8931975: 1,3321976: 8371977: 5531978: 5341979: 6831980: 7511981: 1,5401982: 5541983: 1,3071984: 8671985: 4261986: 7901987: 1,0361988: 8051989: 7641990: 7221991: 9251992: 1,2001993: 1,2081994: 7781995: 7341996: 1,7491997: 1,1061998: 1,1241999: 6732000: 9912001: 8472002: 2,2992003: 1,2012004: 7462005: 9292006: 1,0062007: 5652008: 9992009: 1,5292010: 1,0112011: 1,1172012: 6042013: 9192014: 6292015: 1,0012016: 6922017: 1,2142018: 4602019: 1,4832020: 7842021: 9042022: 1,6432023: 1,1062024: 4782025: 9692026: 6961802187118981915193219491966198320002017
Records set or tied on this calendar date in each year from 1802 to 1927. 1927 had 118 records.
Counts for years before the ledger starts come from the same station rules.
Records on 05-20 in each year
YearRecords
18021
18031
18041
18151
18251
18371
18441
18453
18471
18541
18583
18611
18621
18651
18671
18682
18703
18712
18762
18773
18791
18802
18842
18851
18872
18893
18903
18915
18923
18931
18946
18953
18963
18973
18984
18994
19001
19015
190211
190319
19044
19054
190622
190735
190823
190910
191020
191182
191220
191310
191416
191542
191629
191746
191892
191956
192044
1921234
192240
1923125
1924189
1925251
1926128
1927118
1928138
1929323
1930129
1931451
1932689
1933449
1934582
1935259
1936207
1937270
1938331
1939266
1940337
1941378
1942337
1943802
1944315
1945498
1946339
1947358
1948514
1949586
1950327
1951288
1952615
1953518
1954822
1955421
1956565
1957728
1958378
1959785
1960612
1961333
1962773
1963732
1964517
1965200
1966416
1967587
1968743
1969885
1970310
1971653
1972612
1973419
1974893
19751,332
1976837
1977553
1978534
1979683
1980751
19811,540
1982554
19831,307
1984867
1985426
1986790
19871,036
1988805
1989764
1990722
1991925
19921,200
19931,208
1994778
1995734
19961,749
19971,106
19981,124
1999673
2000991
2001847
20022,299
20031,201
2004746
2005929
20061,006
2007565
2008999
20091,529
20101,011
20111,117
2012604
2013919
2014629
20151,001
2016692
20171,214
2018460
20191,483
2020784
2021904
20221,643
20231,106
2024478
2025969
2026696

Download the Data

  • Data for records on 1927-05-20: CSV or JSON. Field meanings are on the data page.

Sources: Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Made with Natural Earth. Public domain map data. Borders are Natural Earth's de facto depiction. Data as of 2026-10-17 (17 October 2026). Records are computed by this site and are not official.

Data as of . Last revised (2026-10-15).