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Built 2026-10-19 (19 October 2026)

Weather Records on 30 April 1915

20 weather records were set or tied worldwide on 30 April 1915. Highest significance: Winnemucca AP, US.

Key Facts for 30 April 1915

  • On 30 April 1915, 20 weather records were set or tied at long-record stations worldwide.
  • 4 were record highs and 6 were record lows, counting maximum and minimum temperature.
  • By timescale, 0 were all-time records, 2 monthly and 18 daily.
  • Winnemucca AP set a monthly record daily snowfall of 12.7 cm (5.0 in) on 30 April 1915.
  • Across 165 earlier years (1795 to 2026) the same calendar date averaged 449 records.

Record Map

20 stations
Weather records on 30 April 1915 20 station records on 30 April 1915 are marked on the map, coloured by record type.
20 station records on 30 April 1915 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.
Weather records on 30 April 1915: highest significance records shown on the map
StationCountryTypeValueSignificance
Winnemucca APUnited StatesRecord daily snowfall12.7 cm (5.0 in)27 of 100 (Routine)
AstrakanRussiaRecord daily precipitation15.3 mm (0.6 in)20 of 100 (Routine)
Maly Uzen'RussiaRecord daily precipitation15.0 mm (0.6 in)20 of 100 (Routine)
SalekhardRussiaRecord daily precipitation5.1 mm (0.20 in)19 of 100 (Routine)
NovorossijskRussiaRecord daily precipitation17.6 mm (0.7 in)19 of 100 (Routine)
PortlandUnited StatesRecord daily precipitation33.8 mm (1.3 in)19 of 100 (Routine)
Winnemucca APUnited StatesRecord low maximum temperature0.6 C (33.1 F)19 of 100 (Routine)
Medicine Hat ACanadaRecord high minimum temperature13.9 C (57.0 F)17 of 100 (Routine)
Niznij NovgorodRussiaRecord daily precipitation10.7 mm (0.4 in)17 of 100 (Routine)
Georgetown Post OfficeAustraliaRecord daily precipitation0.8 mm (0.03 in)16 of 100 (Routine)
ConcordUnited StatesRecord daily precipitation35.6 mm (1.4 in)16 of 100 (Routine)
GalwayIrelandRecord high minimum temperature11.1 C (52.0 F)13 of 100 (Routine)
MahackalaRussiaRecord low minimum temperature4.6 C (40.3 F)13 of 100 (Routine)
HaparandaSwedenRecord low maximum temperature-0.5 C (31.1 F)12 of 100 (Routine)
San Diego WboUnited StatesRecord low maximum temperature13.9 C (57.0 F)12 of 100 (Routine)
Medicine Hat ACanadaRecord high maximum temperature29.4 C (84.9 F)10 of 100 (Routine)
San Diego WboUnited StatesRecord low minimum temperature7.8 C (46.0 F)8 of 100 (Routine)
Concordia ASOSUnited StatesRecord daily precipitation7.4 mm (0.29 in)8 of 100 (Routine)
Olympia Priest Pt ParkUnited StatesRecord low minimum temperature-1.1 C (30.0 F)7 of 100 (Routine)
Jacksonville Wb CityUnited StatesRecord high maximum temperature31.7 C (89.1 F)1 of 100 (Routine)

Counts by Type and Timescale

20 records
Records on 30 April 1915 by type Records set or tied on 30 April 1915 by type: Highest daily maximum 2, Lowest daily maximum 3, Highest daily minimum 2, Lowest daily minimum 3, Heaviest daily rainfall 9, Heaviest daily snowfall 1. 035810Highest daily maximum: 2Lowest daily maximum: 3Highest daily minimum: 2Lowest daily minimum: 3Heaviest daily rainfall: 9Heaviest daily snowfall: 1Deepest snow cover: 0Max highMax lowMin highMin lowRainSnowDepth
Records set or tied on 30 April 1915 by type: Highest daily maximum 2, Lowest daily maximum 3, Highest daily minimum 2, Lowest daily minimum 3, Heaviest daily rainfall 9, Heaviest daily snowfall 1.
Records on 30 April 1915 by type
Record typeRecords
Highest daily maximum2
Lowest daily maximum3
Highest daily minimum2
Lowest daily minimum3
Heaviest daily rainfall9
Heaviest daily snowfall1
Deepest snow cover0
Records on 30 April 1915 by timescale Records on 30 April 1915 by timescale: all-time 0, monthly 2, daily 18. 05101520all-time: 0monthly: 2daily: 18all-timemonthlydaily
Records on 30 April 1915 by timescale: all-time 0, monthly 2, daily 18.
Records on 30 April 1915 by timescale
TimescaleRecords
all-time0
monthly2
daily18

How Much Records Were Beaten By

19 broken records
Histogram of margins by which records were beaten on 30 April 1915 Margins by which the 19 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 25.0. Ties are not counted. 0510150 to 5: 145 to 10: 410 to 15: 015 to 20: 020 to 25: 10 to 55 to 1010 to 1515 to 2020 to 25
Margins by which the 19 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 25.0. Ties are not counted.
Histogram of margins by which records were beaten on 30 April 1915
MarginRecords
0 to 514
5 to 104
10 to 150
15 to 200
20 to 251

Top 20 by Significance

30 April 1915
Top 20 records on 30 April 1915 by significance
DateStationRecordValueBeat old record byOld record stoodSignificance
30 April 1915Winnemucca AP, USmonthly snowfall12.7 cm (5.0 in)2.5 cm (1.0 in)19 years27 of 100 (Routine)
30 April 1915Astrakan, RUdaily rain15.3 mm (0.6 in)7.9 mm (0.31 in)20 years20 of 100 (Routine)
30 April 1915Maly Uzen', RUdaily rain15.0 mm (0.6 in)4.7 mm (0.19 in)17 years20 of 100 (Routine)
30 April 1915Salekhard, RUdaily rain5.1 mm (0.20 in)2.5 mm (0.10 in)15 years19 of 100 (Routine)
30 April 1915Novorossijsk, RUdaily rain17.6 mm (0.7 in)5.1 mm (0.20 in)25 years19 of 100 (Routine)
30 April 1915Portland, USdaily rain33.8 mm (1.3 in)5.4 mm (0.21 in)35 years19 of 100 (Routine)
30 April 1915Winnemucca AP, USmonthly low max0.6 C (33.1 F)0.5 C (0.9 F)20 years19 of 100 (Routine)
30 April 1915Medicine Hat A, CAdaily high min13.9 C (57.0 F)3.9 C (7.0 F)24 years17 of 100 (Routine)
30 April 1915Niznij Novgorod, RUdaily rain10.7 mm (0.4 in)3.9 mm (0.15 in)8 years17 of 100 (Routine)
30 April 1915Georgetown Post Office, AUdaily rain0.8 mm (0.03 in)0.8 mm (0.03 in)41 years16 of 100 (Routine)
30 April 1915Concord, USdaily rain35.6 mm (1.4 in)8.4 mm (0.33 in)12 years16 of 100 (Routine)
30 April 1915Galway, IEdaily high min11.1 C (52.0 F)1.7 C (3.1 F)6 years13 of 100 (Routine)
30 April 1915Mahackala, RUdaily low min4.6 C (40.3 F)0.5 C (0.9 F)30 years13 of 100 (Routine)
30 April 1915Haparanda, SEdaily low max-0.5 C (31.1 F)0.5 C (0.9 F)28 years12 of 100 (Routine)
30 April 1915San Diego Wbo, USdaily low max13.9 C (57.0 F)1.1 C (2.0 F)16 years12 of 100 (Routine)
30 April 1915Medicine Hat A, CAdaily high max29.4 C (84.9 F)2.7 C (4.9 F)13 years10 of 100 (Routine)
30 April 1915San Diego Wbo, USdaily low min7.8 C (46.0 F)0.5 C (0.9 F)8 years8 of 100 (Routine)
30 April 1915Concordia ASOS, USdaily rain7.4 mm (0.29 in)2.8 mm (0.11 in)8 years8 of 100 (Routine)
30 April 1915Olympia Priest Pt Park, USdaily low min-1.1 C (30.0 F)0.5 C (0.9 F)10 years7 of 100 (Routine)
30 April 1915Jacksonville Wb City, USdaily high max (Tie)31.7 C (89.1 F)tie0 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

1795 to 1915
Records on 04-30 in each year Records set or tied on this calendar date in each year from 1795 to 1915. 1915 had 20 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 1915. 1915 had 20 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 1915-04-30: 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).