Built 2026-10-19 (19 October 2026)

Weather Records on 30 July 1919

19 weather records were set or tied worldwide on 30 July 1919. Highest significance: Mantova, IT.

Key Facts for 30 July 1919

  • On 30 July 1919, 19 weather records were set or tied at long-record stations worldwide.
  • 2 were record highs and 10 were record lows, counting maximum and minimum temperature.
  • By timescale, 0 were all-time records, 1 monthly and 18 daily.
  • Mantova set a monthly record daily precipitation of 65.5 mm (2.6 in) on 30 July 1919.
  • Across 168 earlier years (1794 to 2026) the same calendar date averaged 443 records.

Record Map

19 stations
Weather records on 30 July 1919 19 station records on 30 July 1919 are marked on the map, coloured by record type.
19 station records on 30 July 1919 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.
Weather records on 30 July 1919: highest significance records shown on the map
StationCountryTypeValueSignificance
MantovaItalyRecord daily precipitation65.5 mm (2.6 in)41 of 100 (Notable)
MilanItalyRecord daily precipitation39.5 mm (1.6 in)27 of 100 (Routine)
Belle IsleCanadaRecord low minimum temperature-2.8 C (27.0 F)19 of 100 (Routine)
Heinersreuth-VollhofGermanyRecord low minimum temperature5.0 C (41.0 F)19 of 100 (Routine)
Bird RocksCanadaRecord low maximum temperature13.3 C (55.9 F)17 of 100 (Routine)
Dubuque RiverUnited StatesRecord daily precipitation23.6 mm (0.9 in)17 of 100 (Routine)
Sacramento 5 ESEUnited StatesRecord low minimum temperature10.0 C (50.0 F)17 of 100 (Routine)
WeissenburgGermanyRecord low minimum temperature7.1 C (44.8 F)16 of 100 (Routine)
BeachportAustraliaRecord daily precipitation15.2 mm (0.6 in)15 of 100 (Routine)
Boulia AirportAustraliaRecord low minimum temperature-0.4 C (31.3 F)14 of 100 (Routine)
Gunnedah PoolAustraliaRecord high minimum temperature8.3 C (46.9 F)12 of 100 (Routine)
Ilulissat (Jakobshavn)Greenland [Denmark]Record low minimum temperature1.7 C (35.1 F)10 of 100 (Routine)
PortlandAustraliaRecord daily precipitation18.0 mm (0.7 in)9 of 100 (Routine)
Brisbane Regional OfficeAustraliaRecord high maximum temperature25.6 C (78.1 F)8 of 100 (Routine)
MillicentAustraliaRecord daily precipitation11.4 mm (0.4 in)7 of 100 (Routine)
ChicoutimiCanadaRecord daily precipitation16.0 mm (0.6 in)6 of 100 (Routine)
Vasteras-HassloSwedenRecord low minimum temperature7.0 C (44.6 F)2 of 100 (Routine)
Sidi-Bel-AbbesAlgeriaRecord low maximum temperature28.0 C (82.4 F)1 of 100 (Routine)
LowellUnited StatesRecord low minimum temperature13.3 C (55.9 F)1 of 100 (Routine)

Counts by Type and Timescale

19 records
Records on 30 July 1919 by type Records set or tied on 30 July 1919 by type: Highest daily maximum 1, Lowest daily maximum 2, Highest daily minimum 1, Lowest daily minimum 8, Heaviest daily rainfall 7. 02468Highest daily maximum: 1Lowest daily maximum: 2Highest daily minimum: 1Lowest daily minimum: 8Heaviest daily rainfall: 7Heaviest daily snowfall: 0Deepest snow cover: 0Max highMax lowMin highMin lowRainSnowDepth
Records set or tied on 30 July 1919 by type: Highest daily maximum 1, Lowest daily maximum 2, Highest daily minimum 1, Lowest daily minimum 8, Heaviest daily rainfall 7.
Records on 30 July 1919 by type
Record typeRecords
Highest daily maximum1
Lowest daily maximum2
Highest daily minimum1
Lowest daily minimum8
Heaviest daily rainfall7
Heaviest daily snowfall0
Deepest snow cover0
Records on 30 July 1919 by timescale Records on 30 July 1919 by timescale: all-time 0, monthly 1, daily 18. 05101520all-time: 0monthly: 1daily: 18all-timemonthlydaily
Records on 30 July 1919 by timescale: all-time 0, monthly 1, daily 18.
Records on 30 July 1919 by timescale
TimescaleRecords
all-time0
monthly1
daily18

How Much Records Were Beaten By

16 broken records
Histogram of margins by which records were beaten on 30 July 1919 Margins by which the 16 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 12.9. Ties are not counted. 024680 to 2: 82 to 4: 34 to 6: 36 to 8: 08 to 10: 010 to 12: 112 to 14: 10 to 22 to 44 to 66 to 88 to 1010 to 1212 to 14
Margins by which the 16 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 12.9. Ties are not counted.
Histogram of margins by which records were beaten on 30 July 1919
MarginRecords
0 to 28
2 to 43
4 to 63
6 to 80
8 to 100
10 to 121
12 to 141

Top 20 by Significance

30 July 1919
Top 19 records on 30 July 1919 by significance
DateStationRecordValueBeat old record byOld record stoodSignificance
30 July 1919Mantova, ITmonthly rain65.5 mm (2.6 in)12.9 mm (0.5 in)29 years41 of 100 (Notable)
30 July 1919Milan, ITdaily rain39.5 mm (1.6 in)10.2 mm (0.4 in)44 years27 of 100 (Routine)
30 July 1919Belle Isle, CAdaily low min-2.8 C (27.0 F)5.0 C (9.0 F)4 years19 of 100 (Routine)
30 July 1919Heinersreuth-Vollhof, DEdaily low min5.0 C (41.0 F)1.7 C (3.1 F)32 years19 of 100 (Routine)
30 July 1919Bird Rocks, CAdaily low max13.3 C (55.9 F)1.1 C (2.0 F)37 years17 of 100 (Routine)
30 July 1919Dubuque River, USdaily rain23.6 mm (0.9 in)5.6 mm (0.22 in)34 years17 of 100 (Routine)
30 July 1919Sacramento 5 ESE, USdaily low min10.0 C (50.0 F)1.1 C (2.0 F)31 years17 of 100 (Routine)
30 July 1919Weissenburg, DEdaily low min7.1 C (44.8 F)0.3 C (0.5 F)37 years16 of 100 (Routine)
30 July 1919Beachport, AUdaily rain15.2 mm (0.6 in)5.0 mm (0.20 in)19 years15 of 100 (Routine)
30 July 1919Boulia Airport, AUdaily low min-0.4 C (31.3 F)2.5 C (4.5 F)17 years14 of 100 (Routine)
30 July 1919Gunnedah Pool, AUdaily high min8.3 C (46.9 F)1.1 C (2.0 F)21 years12 of 100 (Routine)
30 July 1919Ilulissat (Jakobshavn), GLdaily low min1.7 C (35.1 F)0.1 C (0.2 F)20 years10 of 100 (Routine)
30 July 1919Portland, AUdaily rain18.0 mm (0.7 in)2.0 mm (0.08 in)8 years9 of 100 (Routine)
30 July 1919Brisbane Regional Office, AUdaily high max25.6 C (78.1 F)0.5 C (0.9 F)12 years8 of 100 (Routine)
30 July 1919Millicent, AUdaily rain11.4 mm (0.4 in)2.0 mm (0.08 in)1 year7 of 100 (Routine)
30 July 1919Chicoutimi, CAdaily rain16.0 mm (0.6 in)0.8 mm (0.03 in)9 years6 of 100 (Routine)
30 July 1919Vasteras-Hasslo, SEdaily low min (Tie)7.0 C (44.6 F)tie16 years2 of 100 (Routine)
30 July 1919Sidi-Bel-Abbes, DZdaily low max (Tie)28.0 C (82.4 F)tie5 years1 of 100 (Routine)
30 July 1919Lowell, USdaily low min (Tie)13.3 C (55.9 F)tie14 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 1919
Records on 07-30 in each year Records set or tied on this calendar date in each year from 1794 to 1919. 1919 had 19 records. 01,0002,0003,0001794: 21797: 11827: 11828: 21829: 11830: 11834: 11837: 21838: 11840: 11841: 11843: 11854: 11857: 11858: 21860: 41863: 11867: 11868: 11869: 21870: 11874: 21875: 11876: 11877: 21879: 11880: 21885: 31886: 51887: 61888: 51889: 11890: 21891: 11892: 11893: 101894: 61895: 21896: 21897: 41898: 81899: 21900: 41901: 111902: 61903: 251904: 171905: 291906: 221907: 111908: 231909: 301910: 81911: 541912: 211913: 341914: 521915: 261916: 1501917: 931918: 421919: 191920: 1881921: 1931922: 401923: 4281924: 801925: 2751926: 1861927: 1091928: 2101929: 2211930: 1701931: 4321932: 2751933: 4511934: 6191935: 3401936: 4521937: 2451938: 3881939: 3951940: 5621941: 3711942: 3041943: 3971944: 2891945: 2991946: 4091947: 3941948: 4891949: 5121950: 5521951: 3221952: 5811953: 3451954: 5041955: 7871956: 5061957: 2891958: 3441959: 3911960: 7931961: 5111962: 3781963: 3081964: 4831965: 9781966: 5271967: 2821968: 5301969: 5061970: 4311971: 2,3191972: 7581973: 4341974: 5691975: 1,0481976: 5901977: 6411978: 6461979: 7611980: 9621981: 8511982: 8211983: 9041984: 9971985: 1,0291986: 9521987: 1,0841988: 8261989: 1,2271990: 7951991: 7341992: 1,0031993: 9651994: 1,6311995: 1,2071996: 1,3171997: 9331998: 1,2401999: 1,4562000: 1,0302001: 1,4002002: 1,3462003: 1,1632004: 9362005: 7882006: 1,1032007: 1,1602008: 7632009: 1,3282010: 1,3312011: 1,0032012: 7312013: 7372014: 1,1992015: 6822016: 4602017: 4642018: 1,0382019: 4862020: 7632021: 8392022: 8452023: 6832024: 7052025: 8692026: 1,0011794186718921909192619431960197719942011
Records set or tied on this calendar date in each year from 1794 to 1919. 1919 had 19 records.
Counts for years before the ledger starts come from the same station rules.
Records on 07-30 in each year
YearRecords
17942
17971
18271
18282
18291
18301
18341
18372
18381
18401
18411
18431
18541
18571
18582
18604
18631
18671
18681
18692
18701
18742
18751
18761
18772
18791
18802
18853
18865
18876
18885
18891
18902
18911
18921
189310
18946
18952
18962
18974
18988
18992
19004
190111
19026
190325
190417
190529
190622
190711
190823
190930
19108
191154
191221
191334
191452
191526
1916150
191793
191842
191919
1920188
1921193
192240
1923428
192480
1925275
1926186
1927109
1928210
1929221
1930170
1931432
1932275
1933451
1934619
1935340
1936452
1937245
1938388
1939395
1940562
1941371
1942304
1943397
1944289
1945299
1946409
1947394
1948489
1949512
1950552
1951322
1952581
1953345
1954504
1955787
1956506
1957289
1958344
1959391
1960793
1961511
1962378
1963308
1964483
1965978
1966527
1967282
1968530
1969506
1970431
19712,319
1972758
1973434
1974569
19751,048
1976590
1977641
1978646
1979761
1980962
1981851
1982821
1983904
1984997
19851,029
1986952
19871,084
1988826
19891,227
1990795
1991734
19921,003
1993965
19941,631
19951,207
19961,317
1997933
19981,240
19991,456
20001,030
20011,400
20021,346
20031,163
2004936
2005788
20061,103
20071,160
2008763
20091,328
20101,331
20111,003
2012731
2013737
20141,199
2015682
2016460
2017464
20181,038
2019486
2020763
2021839
2022845
2023683
2024705
2025869
20261,001

Download the Data

  • Data for records on 1919-07-30: 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).