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Built 2026-10-19 (19 October 2026)

Weather Records on 30 April 1918

28 weather records were set or tied worldwide on 30 April 1918. Highest significance: Tranebjerg, DK.

Key Facts for 30 April 1918

  • On 30 April 1918, 28 weather records were set or tied at long-record stations worldwide.
  • 9 were record highs and 14 were record lows, counting maximum and minimum temperature.
  • By timescale, 0 were all-time records, 1 monthly and 27 daily.
  • Tranebjerg set a daily record low maximum temperature of 4.7 C (40.5 F) on 30 April 1918.
  • Across 165 earlier years (1795 to 2026) the same calendar date averaged 449 records.

Record Map

28 stations
Weather records on 30 April 1918 28 station records on 30 April 1918 are marked on the map, coloured by record type.
28 station records on 30 April 1918 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.
Weather records on 30 April 1918: highest significance records shown on the map
StationCountryTypeValueSignificance
TranebjergDenmarkRecord low maximum temperature4.7 C (40.5 F)21 of 100 (Routine)
TuttlingenGermanyRecord daily precipitation24.7 mm (1.0 in)20 of 100 (Routine)
KunzelsauGermanyRecord daily precipitation17.0 mm (0.7 in)20 of 100 (Routine)
Anticosti SW PointCanadaRecord daily precipitation23.9 mm (0.9 in)19 of 100 (Routine)
Nikolaevsk-Na-AmureRussiaRecord high minimum temperature1.4 C (34.5 F)18 of 100 (Routine)
KarlshamnSwedenRecord low maximum temperature5.0 C (41.0 F)17 of 100 (Routine)
FreiburgGermanyRecord daily precipitation23.2 mm (0.9 in)14 of 100 (Routine)
KristianstadSwedenRecord low maximum temperature4.5 C (40.1 F)14 of 100 (Routine)
TbilisiGeorgiaRecord low minimum temperature4.2 C (39.6 F)13 of 100 (Routine)
Brisbane Regional OfficeAustraliaRecord low maximum temperature21.3 C (70.3 F)12 of 100 (Routine)
DurhamUnited KingdomRecord low maximum temperature7.2 C (45.0 F)10 of 100 (Routine)
Calgary Int'l ACanadaRecord high minimum temperature4.4 C (39.9 F)9 of 100 (Routine)
Pointe Au PereCanadaRecord high maximum temperature17.8 C (64.0 F)8 of 100 (Routine)
Aleksandrovsk-SahalinskijRussiaRecord high minimum temperature5.5 C (41.9 F)8 of 100 (Routine)
ArhangelskRussiaRecord low minimum temperature-8.7 C (16.3 F)7 of 100 (Routine)
StockholmSwedenRecord low maximum temperature3.0 C (37.4 F)7 of 100 (Routine)
Lake CochituateUnited StatesRecord daily precipitation31.0 mm (1.2 in)7 of 100 (Routine)
Skara 1SwedenRecord low maximum temperature2.5 C (36.5 F)6 of 100 (Routine)
Cet Central EnglandUnited KingdomRecord low maximum temperature9.5 C (49.1 F)5 of 100 (Routine)
Sacramento 5 ESEUnited StatesRecord high maximum temperature30.0 C (86.0 F)5 of 100 (Routine)
JonkopingSwedenRecord low maximum temperature2.5 C (36.5 F)4 of 100 (Routine)
Jacksonville Wb CityUnited StatesRecord high minimum temperature21.1 C (70.0 F)4 of 100 (Routine)
ChathamCanadaRecord high minimum temperature7.8 C (46.0 F)3 of 100 (Routine)
BorasSwedenRecord low maximum temperature3.5 C (38.3 F)2 of 100 (Routine)
Wagga Wagga (Kooringal)AustraliaRecord low minimum temperature1.1 C (34.0 F)1 of 100 (Routine)
Pointe Au PereCanadaRecord high minimum temperature3.9 C (39.0 F)1 of 100 (Routine)
NorthfieldUnited StatesRecord high minimum temperature10.0 C (50.0 F)1 of 100 (Routine)
Houston Wb CityUnited StatesRecord low maximum temperature22.2 C (72.0 F)1 of 100 (Routine)

Counts by Type and Timescale

28 records
Records on 30 April 1918 by type Records set or tied on 30 April 1918 by type: Highest daily maximum 2, Lowest daily maximum 11, Highest daily minimum 7, Lowest daily minimum 3, Heaviest daily rainfall 5. 051015Highest daily maximum: 2Lowest daily maximum: 11Highest daily minimum: 7Lowest daily minimum: 3Heaviest daily rainfall: 5Heaviest daily snowfall: 0Deepest snow cover: 0Max highMax lowMin highMin lowRainSnowDepth
Records set or tied on 30 April 1918 by type: Highest daily maximum 2, Lowest daily maximum 11, Highest daily minimum 7, Lowest daily minimum 3, Heaviest daily rainfall 5.
Records on 30 April 1918 by type
Record typeRecords
Highest daily maximum2
Lowest daily maximum11
Highest daily minimum7
Lowest daily minimum3
Heaviest daily rainfall5
Heaviest daily snowfall0
Deepest snow cover0
Records on 30 April 1918 by timescale Records on 30 April 1918 by timescale: all-time 0, monthly 1, daily 27. 0102030all-time: 0monthly: 1daily: 27all-timemonthlydaily
Records on 30 April 1918 by timescale: all-time 0, monthly 1, daily 27.
Records on 30 April 1918 by timescale
TimescaleRecords
all-time0
monthly1
daily27

How Much Records Were Beaten By

21 broken records
Histogram of margins by which records were beaten on 30 April 1918 Margins by which the 21 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 11.3. Ties are not counted. 051015200 to 2: 162 to 4: 24 to 6: 06 to 8: 08 to 10: 210 to 12: 10 to 22 to 44 to 66 to 88 to 1010 to 12
Margins by which the 21 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 11.3. Ties are not counted.
Histogram of margins by which records were beaten on 30 April 1918
MarginRecords
0 to 216
2 to 42
4 to 60
6 to 80
8 to 102
10 to 121

Top 20 by Significance

30 April 1918
Top 20 records on 30 April 1918 by significance
DateStationRecordValueBeat old record byOld record stoodSignificance
30 April 1918Tranebjerg, DKdaily low max4.7 C (40.5 F)1.6 C (2.9 F)44 years21 of 100 (Routine)
30 April 1918Tuttlingen, DEdaily rain24.7 mm (1.0 in)11.3 mm (0.4 in)11 years20 of 100 (Routine)
30 April 1918Kunzelsau, DEdaily rain17.0 mm (0.7 in)9.1 mm (0.36 in)23 years20 of 100 (Routine)
30 April 1918Anticosti SW Point, CAdaily rain23.9 mm (0.9 in)9.4 mm (0.37 in)19 years19 of 100 (Routine)
30 April 1918Nikolaevsk-Na-Amure, RUmonthly high min1.4 C (34.5 F)0.4 C (0.7 F)17 years18 of 100 (Routine)
30 April 1918Karlshamn, SEdaily low max5.0 C (41.0 F)2.0 C (3.6 F)31 years17 of 100 (Routine)
30 April 1918Freiburg, DEdaily rain23.2 mm (0.9 in)0.2 mm (0.01 in)35 years14 of 100 (Routine)
30 April 1918Kristianstad, SEdaily low max4.5 C (40.1 F)1.0 C (1.8 F)31 years14 of 100 (Routine)
30 April 1918Tbilisi, GEdaily low min4.2 C (39.6 F)0.2 C (0.4 F)34 years13 of 100 (Routine)
30 April 1918Brisbane Regional Office, AUdaily low max21.3 C (70.3 F)1.5 C (2.7 F)12 years12 of 100 (Routine)
30 April 1918Durham, GBdaily low max7.2 C (45.0 F)0.4 C (0.7 F)16 years10 of 100 (Routine)
30 April 1918Calgary Int'l A, CAdaily high min4.4 C (39.9 F)0.5 C (0.9 F)16 years9 of 100 (Routine)
30 April 1918Pointe Au Pere, CAdaily high max17.8 C (64.0 F)0.6 C (1.1 F)12 years8 of 100 (Routine)
30 April 1918Aleksandrovsk-Sahalinskij, RUdaily high min5.5 C (41.9 F)0.1 C (0.2 F)19 years8 of 100 (Routine)
30 April 1918Arhangelsk, RUdaily low min-8.7 C (16.3 F)0.3 C (0.5 F)16 years7 of 100 (Routine)
30 April 1918Stockholm, SEdaily low max3.0 C (37.4 F)2.0 C (3.6 F)0 years7 of 100 (Routine)
30 April 1918Lake Cochituate, USdaily rain31.0 mm (1.2 in)0.8 mm (0.03 in)16 years7 of 100 (Routine)
30 April 1918Skara 1, SEdaily low max2.5 C (36.5 F)1.5 C (2.7 F)0 years6 of 100 (Routine)
30 April 1918Cet Central England, GBdaily low max9.5 C (49.1 F)0.6 C (1.1 F)4 years5 of 100 (Routine)
30 April 1918Sacramento 5 ESE, USdaily high max30.0 C (86.0 F)0.6 C (1.1 F)1 year5 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

1795 to 1918
Records on 04-30 in each year Records set or tied on this calendar date in each year from 1795 to 1918. 1918 had 28 records. 05001,0001,5002,0001795: 11804: 11809: 11812: 11814: 21833: 11840: 11848: 11850: 11853: 11854: 11856: 11859: 11862: 11864: 11865: 11866: 31872: 11873: 11874: 21876: 11878: 41879: 21880: 11881: 11882: 11884: 11885: 11886: 51888: 11889: 11891: 51892: 71894: 11895: 51896: 31897: 21898: 61899: 111900: 41901: 81902: 131903: 211904: 111905: 91906: 161907: 351908: 281909: 741910: 171911: 191912: 181913: 621914: 81915: 201916: 211917: 251918: 281919: 1301920: 701921: 541922: 1381923: 421924: 961925: 2101926: 3311927: 1271928: 1301929: 1191930: 2321931: 5481932: 1451933: 4221934: 4431935: 3271936: 3731937: 2281938: 2821939: 2681940: 5261941: 4841942: 1,1631943: 4701944: 2861945: 3141946: 3011947: 3301948: 9121949: 4471950: 6711951: 7831952: 4351953: 6351954: 1,2241955: 1,2521956: 9081957: 4011958: 4821959: 5751960: 5071961: 3811962: 6171963: 7301964: 3391965: 4881966: 7401967: 9141968: 9281969: 5871970: 1,1891971: 3651972: 4971973: 3981974: 8221975: 4681976: 7831977: 5251978: 6311979: 6751980: 5451981: 1,3421982: 5041983: 1,1541984: 1,5191985: 6501986: 6601987: 1,4371988: 8081989: 6741990: 9771991: 8281992: 1,8081993: 7651994: 1,4991995: 1,0071996: 1,6371997: 7641998: 8571999: 1,0122000: 1,0462001: 9002002: 1,1712003: 9272004: 7032005: 1,1132006: 7782007: 9962008: 1,2602009: 6602010: 9212011: 6362012: 8192013: 7322014: 9462015: 3802016: 9692017: 1,4502018: 7082019: 7002020: 1,4762021: 1,1672022: 4992023: 7822024: 7052025: 4892026: 3651795187218951912192919461963198019972014
Records set or tied on this calendar date in each year from 1795 to 1918. 1918 had 28 records.
Counts for years before the ledger starts come from the same station rules.
Records on 04-30 in each year
YearRecords
17951
18041
18091
18121
18142
18331
18401
18481
18501
18531
18541
18561
18591
18621
18641
18651
18663
18721
18731
18742
18761
18784
18792
18801
18811
18821
18841
18851
18865
18881
18891
18915
18927
18941
18955
18963
18972
18986
189911
19004
19018
190213
190321
190411
19059
190616
190735
190828
190974
191017
191119
191218
191362
19148
191520
191621
191725
191828
1919130
192070
192154
1922138
192342
192496
1925210
1926331
1927127
1928130
1929119
1930232
1931548
1932145
1933422
1934443
1935327
1936373
1937228
1938282
1939268
1940526
1941484
19421,163
1943470
1944286
1945314
1946301
1947330
1948912
1949447
1950671
1951783
1952435
1953635
19541,224
19551,252
1956908
1957401
1958482
1959575
1960507
1961381
1962617
1963730
1964339
1965488
1966740
1967914
1968928
1969587
19701,189
1971365
1972497
1973398
1974822
1975468
1976783
1977525
1978631
1979675
1980545
19811,342
1982504
19831,154
19841,519
1985650
1986660
19871,437
1988808
1989674
1990977
1991828
19921,808
1993765
19941,499
19951,007
19961,637
1997764
1998857
19991,012
20001,046
2001900
20021,171
2003927
2004703
20051,113
2006778
2007996
20081,260
2009660
2010921
2011636
2012819
2013732
2014946
2015380
2016969
20171,450
2018708
2019700
20201,476
20211,167
2022499
2023782
2024705
2025489
2026365

Download the Data

  • Data for records on 1918-04-30: 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).