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Weather Records on 21 July 1903

10 weather records were set or tied worldwide on 21 July 1903. Highest significance: Concord, US.

Key Facts for 21 July 1903

  • On 21 July 1903, 10 weather records were set or tied at long-record stations worldwide.
  • 2 were record highs and 5 were record lows, counting maximum and minimum temperature.
  • By timescale, 0 were all-time records, 1 monthly and 9 daily.
  • Concord set a daily record precipitation of 51.1 mm (2.0 in) on 21 July 1903.
  • Across 158 earlier years (1794 to 2025) the same calendar date averaged 467 records.

Record Map

10 stations
Weather records on 21 July 1903 10 station records on 21 July 1903 are marked on the map, coloured by record type.
10 station records on 21 July 1903 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.
Weather records on 21 July 1903: highest significance records shown on the map
StationCountryTypeValueSignificance
ConcordUnited StatesRecord daily precipitation51.1 mm (2.0 in)35 of 100 (Notable)
HambantotaSri LankaRecord high maximum temperature36.0 C (96.8 F)16 of 100 (Routine)
Zagreb-GricCroatiaRecord daily precipitation32.7 mm (1.3 in)12 of 100 (Routine)
TranebjergDenmarkRecord low maximum temperature16.1 C (61.0 F)11 of 100 (Routine)
TruroCanadaRecord low maximum temperature19.4 C (66.9 F)8 of 100 (Routine)
LichtentanneGermanyRecord daily precipitation10.7 mm (0.4 in)6 of 100 (Routine)
Stornoway AirportUnited KingdomRecord low minimum temperature5.6 C (42.1 F)2 of 100 (Routine)
Forbes (Camp Street)AustraliaRecord low minimum temperature-1.1 C (30.0 F)1 of 100 (Routine)
Wagga Wagga (Kooringal)AustraliaRecord low maximum temperature9.2 C (48.6 F)1 of 100 (Routine)
Nuwara EliyaSri LankaRecord high minimum temperature13.3 C (55.9 F)1 of 100 (Routine)

Counts by Type and Timescale

10 records
Records on 21 July 1903 by type Records set or tied on 21 July 1903 by type: Highest daily maximum 1, Lowest daily maximum 3, Highest daily minimum 1, Lowest daily minimum 2, Heaviest daily rainfall 3. 0123Highest daily maximum: 1Lowest daily maximum: 3Highest daily minimum: 1Lowest daily minimum: 2Heaviest daily rainfall: 3Heaviest daily snowfall: 0Deepest snow cover: 0Max highMax lowMin highMin lowRainSnowDepth
Records set or tied on 21 July 1903 by type: Highest daily maximum 1, Lowest daily maximum 3, Highest daily minimum 1, Lowest daily minimum 2, Heaviest daily rainfall 3.
Records on 21 July 1903 by type
Record typeRecords
Highest daily maximum1
Lowest daily maximum3
Highest daily minimum1
Lowest daily minimum2
Heaviest daily rainfall3
Heaviest daily snowfall0
Deepest snow cover0
Records on 21 July 1903 by timescale Records on 21 July 1903 by timescale: all-time 0, monthly 1, daily 9. 035810all-time: 0monthly: 1daily: 9all-timemonthlydaily
Records on 21 July 1903 by timescale: all-time 0, monthly 1, daily 9.
Records on 21 July 1903 by timescale
TimescaleRecords
all-time0
monthly1
daily9

How Much Records Were Beaten By

6 broken records
Histogram of margins by which records were beaten on 21 July 1903 Margins by which the 6 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 37.9. Ties are not counted. 02460 to 5: 55 to 10: 010 to 15: 015 to 20: 020 to 25: 025 to 30: 030 to 35: 035 to 40: 10 to 55 to 1010 to 1515 to 2020 to 2525 to 3030 to 3535 to 40
Margins by which the 6 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 37.9. Ties are not counted.
Histogram of margins by which records were beaten on 21 July 1903
MarginRecords
0 to 55
5 to 100
10 to 150
15 to 200
20 to 250
25 to 300
30 to 350
35 to 401

Top 20 by Significance

21 July 1903
Top 10 records on 21 July 1903 by significance
DateStationRecordValueBeat old record byOld record stoodSignificance
21 July 1903Concord, USdaily rain51.1 mm (2.0 in)37.9 mm (1.5 in)4 years35 of 100 (Notable)
21 July 1903Hambantota, LKmonthly high max36.0 C (96.8 F)0.2 C (0.4 F)10 years16 of 100 (Routine)
21 July 1903Zagreb-Gric, HRdaily rain32.7 mm (1.3 in)2.4 mm (0.09 in)22 years12 of 100 (Routine)
21 July 1903Tranebjerg, DKdaily low max16.1 C (61.0 F)0.4 C (0.7 F)25 years11 of 100 (Routine)
21 July 1903Truro, CAdaily low max19.4 C (66.9 F)1.2 C (2.2 F)6 years8 of 100 (Routine)
21 July 1903Lichtentanne, DEdaily rain10.7 mm (0.4 in)1.7 mm (0.07 in)1 year6 of 100 (Routine)
21 July 1903Stornoway Airport, GBdaily low min (Tie)5.6 C (42.1 F)tie17 years2 of 100 (Routine)
21 July 1903Forbes (Camp Street), AUdaily low min (Tie)-1.1 C (30.0 F)tie6 years1 of 100 (Routine)
21 July 1903Wagga Wagga (Kooringal), AUdaily low max (Tie)9.2 C (48.6 F)tie8 years1 of 100 (Routine)
21 July 1903Nuwara Eliya, LKdaily high min (Tie)13.3 C (55.9 F)tie9 years1 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

1794 to 1903
Records on 07-21 in each year Records set or tied on this calendar date in each year from 1794 to 1903. 1903 had 10 records. 05001,0001,5002,0001794: 11795: 11796: 11797: 11813: 21832: 21837: 11839: 11843: 11844: 21854: 11859: 31865: 31868: 31872: 11876: 11879: 21880: 11881: 11884: 11885: 11886: 21888: 21889: 31890: 21892: 31893: 31894: 31895: 11896: 31897: 41898: 71899: 21900: 61901: 131902: 121903: 101904: 81905: 131906: 131907: 121908: 251909: 181910: 121911: 371912: 521913: 411914: 481915: 811916: 721917: 1361918: 1301919: 511920: 331921: 551922: 481923: 1321924: 2861925: 2021926: 4011927: 1911928: 2051929: 3601930: 5211931: 5491932: 3221933: 2081934: 9651935: 2361936: 3221937: 2531938: 6381939: 4151940: 3181941: 2261942: 3181943: 2531944: 7161945: 3001946: 3981947: 7951948: 4031949: 6031950: 6621951: 4271952: 6571953: 3511954: 6561955: 5821956: 4901957: 4471958: 5311959: 9401960: 6511961: 3881962: 2631963: 4701964: 4571965: 7481966: 6261967: 3131968: 3341969: 6361970: 1,2411971: 4751972: 1,0461973: 8711974: 5361975: 3801976: 4771977: 7081978: 1,1551979: 9641980: 9261981: 1,3521982: 5881983: 1,2341984: 7641985: 5541986: 7911987: 1,0251988: 1,0151989: 9731990: 9141991: 8121992: 1,5621993: 8661994: 7731995: 1,2471996: 1,1411997: 8491998: 1,6741999: 8142000: 1,2302001: 8892002: 9902003: 1,2502004: 6942005: 1,4202006: 1,4792007: 1,1452008: 9892009: 1,3062010: 1,1482011: 1,4142012: 8152013: 5262014: 7622015: 7042016: 6452017: 4332018: 9352019: 7522020: 3612021: 5742022: 8632023: 8122024: 8742025: 8811794187918991915193119471963197919952011
Records set or tied on this calendar date in each year from 1794 to 1903. 1903 had 10 records.
Counts for years before the ledger starts come from the same station rules.
Records on 07-21 in each year
YearRecords
17941
17951
17961
17971
18132
18322
18371
18391
18431
18442
18541
18593
18653
18683
18721
18761
18792
18801
18811
18841
18851
18862
18882
18893
18902
18923
18933
18943
18951
18963
18974
18987
18992
19006
190113
190212
190310
19048
190513
190613
190712
190825
190918
191012
191137
191252
191341
191448
191581
191672
1917136
1918130
191951
192033
192155
192248
1923132
1924286
1925202
1926401
1927191
1928205
1929360
1930521
1931549
1932322
1933208
1934965
1935236
1936322
1937253
1938638
1939415
1940318
1941226
1942318
1943253
1944716
1945300
1946398
1947795
1948403
1949603
1950662
1951427
1952657
1953351
1954656
1955582
1956490
1957447
1958531
1959940
1960651
1961388
1962263
1963470
1964457
1965748
1966626
1967313
1968334
1969636
19701,241
1971475
19721,046
1973871
1974536
1975380
1976477
1977708
19781,155
1979964
1980926
19811,352
1982588
19831,234
1984764
1985554
1986791
19871,025
19881,015
1989973
1990914
1991812
19921,562
1993866
1994773
19951,247
19961,141
1997849
19981,674
1999814
20001,230
2001889
2002990
20031,250
2004694
20051,420
20061,479
20071,145
2008989
20091,306
20101,148
20111,414
2012815
2013526
2014762
2015704
2016645
2017433
2018935
2019752
2020361
2021574
2022863
2023812
2024874
2025881

Download the Data

  • Data for records on 1903-07-21: 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).