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Built 2026-10-15 (15 October 2026)

Weather Records on 21 June 1903

15 weather records were set or tied worldwide on 21 June 1903. Highest significance: Middletown 4 W, US.

Key Facts for 21 June 1903

  • On 21 June 1903, 15 weather records were set or tied at long-record stations worldwide.
  • 0 were record highs and 7 were record lows, counting maximum and minimum temperature.
  • By timescale, 0 were all-time records, 1 monthly and 14 daily.
  • Middletown 4 W set a monthly record daily precipitation of 126.5 mm (5.0 in) on 21 June 1903.
  • Across 164 earlier years (1802 to 2025) the same calendar date averaged 432 records.

Record Map

15 stations
Weather records on 21 June 1903 15 station records on 21 June 1903 are marked on the map, coloured by record type.
15 station records on 21 June 1903 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.
Weather records on 21 June 1903: highest significance records shown on the map
StationCountryTypeValueSignificance
Middletown 4 WUnited StatesRecord daily precipitation126.5 mm (5.0 in)58 of 100 (Notable)
HohenpeissenbergGermanyRecord daily precipitation42.2 mm (1.7 in)57 of 100 (Notable)
Montgomery Wb CityUnited StatesRecord daily precipitation71.1 mm (2.8 in)46 of 100 (Notable)
ConcordUnited StatesRecord daily precipitation50.5 mm (2.0 in)46 of 100 (Notable)
OxfordUnited KingdomRecord low minimum temperature3.4 C (38.1 F)31 of 100 (Routine)
Ilulissat (Jakobshavn)Greenland [Denmark]Record daily precipitation15.7 mm (0.6 in)20 of 100 (Routine)
GalwayIrelandRecord low minimum temperature5.6 C (42.1 F)19 of 100 (Routine)
Durban-Botanical GardensSouth AfricaRecord daily precipitation12.2 mm (0.5 in)17 of 100 (Routine)
Montreal McGillCanadaRecord daily precipitation39.6 mm (1.6 in)14 of 100 (Routine)
ConcordUnited StatesRecord low maximum temperature12.8 C (55.0 F)13 of 100 (Routine)
SydneyCanadaRecord low minimum temperature1.7 C (35.1 F)11 of 100 (Routine)
Bourke Post OfficeAustraliaRecord low minimum temperature-1.9 C (28.6 F)10 of 100 (Routine)
TranebjergDenmarkRecord low maximum temperature14.0 C (57.2 F)8 of 100 (Routine)
Cape NorthumberlandAustraliaRecord daily precipitation16.8 mm (0.7 in)7 of 100 (Routine)
Dublin Phoenix ParkIrelandRecord low minimum temperature2.7 C (36.9 F)5 of 100 (Routine)

Counts by Type and Timescale

15 records
Records on 21 June 1903 by type Records set or tied on 21 June 1903 by type: Lowest daily maximum 2, Lowest daily minimum 5, Heaviest daily rainfall 8. 02468Highest daily maximum: 0Lowest daily maximum: 2Highest daily minimum: 0Lowest daily minimum: 5Heaviest daily rainfall: 8Heaviest daily snowfall: 0Deepest snow cover: 0Max highMax lowMin highMin lowRainSnowDepth
Records set or tied on 21 June 1903 by type: Lowest daily maximum 2, Lowest daily minimum 5, Heaviest daily rainfall 8.
Records on 21 June 1903 by type
Record typeRecords
Highest daily maximum0
Lowest daily maximum2
Highest daily minimum0
Lowest daily minimum5
Heaviest daily rainfall8
Heaviest daily snowfall0
Deepest snow cover0
Records on 21 June 1903 by timescale Records on 21 June 1903 by timescale: all-time 0, monthly 1, daily 14. 051015all-time: 0monthly: 1daily: 14all-timemonthlydaily
Records on 21 June 1903 by timescale: all-time 0, monthly 1, daily 14.
Records on 21 June 1903 by timescale
TimescaleRecords
all-time0
monthly1
daily14

How Much Records Were Beaten By

15 broken records
Histogram of margins by which records were beaten on 21 June 1903 Margins by which the 15 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 55.6. Ties are not counted. 0510150 to 10: 1110 to 20: 120 to 30: 030 to 40: 140 to 50: 050 to 60: 20 to 1010 to 2020 to 3030 to 4040 to 5050 to 60
Margins by which the 15 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 55.6. Ties are not counted.
Histogram of margins by which records were beaten on 21 June 1903
MarginRecords
0 to 1011
10 to 201
20 to 300
30 to 401
40 to 500
50 to 602

Top 20 by Significance

21 June 1903
Top 15 records on 21 June 1903 by significance
DateStationRecordValueBeat old record byOld record stoodSignificance
21 June 1903Middletown 4 W, USmonthly rain126.5 mm (5.0 in)51.3 mm (2.0 in)18 years58 of 100 (Notable)
21 June 1903Hohenpeissenberg, DEdaily rain42.2 mm (1.7 in)16.0 mm (0.6 in)117 years57 of 100 (Notable)
21 June 1903Montgomery Wb City, USdaily rain71.1 mm (2.8 in)55.6 mm (2.2 in)12 years46 of 100 (Notable)
21 June 1903Concord, USdaily rain50.5 mm (2.0 in)35.3 mm (1.4 in)34 years46 of 100 (Notable)
21 June 1903Oxford, GBdaily low min3.4 C (38.1 F)0.3 C (0.5 F)75 years31 of 100 (Routine)
21 June 1903Ilulissat (Jakobshavn), GLdaily rain15.7 mm (0.6 in)9.3 mm (0.37 in)28 years20 of 100 (Routine)
21 June 1903Galway, IEdaily low min5.6 C (42.1 F)1.1 C (2.0 F)38 years19 of 100 (Routine)
21 June 1903Durban-Botanical Gardens, ZAdaily rain12.2 mm (0.5 in)7.9 mm (0.31 in)21 years17 of 100 (Routine)
21 June 1903Montreal McGill, CAdaily rain39.6 mm (1.6 in)7.6 mm (0.30 in)6 years14 of 100 (Routine)
21 June 1903Concord, USdaily low max12.8 C (55.0 F)4.4 C (7.9 F)5 years13 of 100 (Routine)
21 June 1903Sydney, CAdaily low min1.7 C (35.1 F)1.6 C (2.9 F)14 years11 of 100 (Routine)
21 June 1903Bourke Post Office, AUdaily low min-1.9 C (28.6 F)0.6 C (1.1 F)22 years10 of 100 (Routine)
21 June 1903Tranebjerg, DKdaily low max14.0 C (57.2 F)0.1 C (0.2 F)19 years8 of 100 (Routine)
21 June 1903Cape Northumberland, AUdaily rain16.8 mm (0.7 in)0.3 mm (0.01 in)15 years7 of 100 (Routine)
21 June 1903Dublin Phoenix Park, IEdaily low min2.7 C (36.9 F)0.2 C (0.4 F)8 years5 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 1903
Records on 06-21 in each year Records set or tied on this calendar date in each year from 1802 to 1903. 1903 had 15 records. 05001,0001,5002,0001802: 11803: 21805: 11814: 11821: 31828: 11831: 11839: 21846: 11853: 11855: 11861: 31865: 11868: 11869: 41870: 31871: 11873: 11874: 11875: 21879: 11880: 11881: 11882: 11883: 11884: 21885: 11886: 31887: 11888: 31889: 11891: 11892: 21893: 71895: 61896: 31897: 31898: 61899: 61900: 61901: 51902: 201903: 151904: 71905: 141906: 191907: 151908: 201909: 191910: 361911: 121912: 141913: 341914: 241915: 401916: 801917: 971918: 771919: 321920: 421921: 851922: 431923: 2291924: 1241925: 3331926: 1621927: 1461928: 1391929: 841930: 1771931: 3401932: 1801933: 6451934: 2231935: 2471936: 6421937: 4751938: 3961939: 2501940: 6741941: 4011942: 3401943: 4391944: 4261945: 7091946: 3861947: 6371948: 3921949: 3911950: 3291951: 3471952: 5021953: 7611954: 5011955: 2711956: 5341957: 9321958: 6271959: 3561960: 4711961: 9561962: 1761963: 6671964: 4581965: 4001966: 4671967: 7891968: 6541969: 6871970: 6141971: 3941972: 9341973: 6831974: 5981975: 9961976: 7461977: 4761978: 3681979: 8571980: 6771981: 8891982: 6581983: 7521984: 9131985: 5161986: 6011987: 9401988: 1,8341989: 8561990: 8471991: 1,0671992: 1,6791993: 9391994: 7771995: 9781996: 1,0751997: 1,0371998: 1,7461999: 9942000: 1,2122001: 6582002: 8282003: 1,0342004: 6972005: 1,0902006: 7742007: 1,0852008: 5802009: 1,0602010: 8522011: 1,3402012: 1,1512013: 5712014: 4342015: 7072016: 8772017: 9542018: 5732019: 9562020: 5162021: 1,1332022: 7712023: 9872024: 6792025: 1,5351802187318951912192919461963198019972014
Records set or tied on this calendar date in each year from 1802 to 1903. 1903 had 15 records.
Counts for years before the ledger starts come from the same station rules.
Records on 06-21 in each year
YearRecords
18021
18032
18051
18141
18213
18281
18311
18392
18461
18531
18551
18613
18651
18681
18694
18703
18711
18731
18741
18752
18791
18801
18811
18821
18831
18842
18851
18863
18871
18883
18891
18911
18922
18937
18956
18963
18973
18986
18996
19006
19015
190220
190315
19047
190514
190619
190715
190820
190919
191036
191112
191214
191334
191424
191540
191680
191797
191877
191932
192042
192185
192243
1923229
1924124
1925333
1926162
1927146
1928139
192984
1930177
1931340
1932180
1933645
1934223
1935247
1936642
1937475
1938396
1939250
1940674
1941401
1942340
1943439
1944426
1945709
1946386
1947637
1948392
1949391
1950329
1951347
1952502
1953761
1954501
1955271
1956534
1957932
1958627
1959356
1960471
1961956
1962176
1963667
1964458
1965400
1966467
1967789
1968654
1969687
1970614
1971394
1972934
1973683
1974598
1975996
1976746
1977476
1978368
1979857
1980677
1981889
1982658
1983752
1984913
1985516
1986601
1987940
19881,834
1989856
1990847
19911,067
19921,679
1993939
1994777
1995978
19961,075
19971,037
19981,746
1999994
20001,212
2001658
2002828
20031,034
2004697
20051,090
2006774
20071,085
2008580
20091,060
2010852
20111,340
20121,151
2013571
2014434
2015707
2016877
2017954
2018573
2019956
2020516
20211,133
2022771
2023987
2024679
20251,535

Download the Data

  • Data for records on 1903-06-21: 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 2026-10-14 (14 October 2026). Records are computed by this site and are not official.

Data as of . Last revised (2025-12-31).