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Weather Records on 20 April 1984

922 weather records were set or tied worldwide on 20 April 1984. Highest significance: Gulgong Post Office, AU.

Key Facts for 20 April 1984

  • On 20 April 1984, 922 weather records were set or tied at long-record stations worldwide.
  • 185 were record highs and 164 were record lows, counting maximum and minimum temperature.
  • By timescale, 2 were all-time records, 56 monthly and 864 daily.
  • Gulgong Post Office set a daily record precipitation of 84.2 mm (3.3 in) on 20 April 1984.
  • Across 159 earlier years (1807 to 2026) the same calendar date averaged 459 records.

Record Map

922 stations
Weather records on 20 April 1984 922 station records on 20 April 1984 are marked on the map, coloured by record type.
922 station records on 20 April 1984 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.
Weather records on 20 April 1984: highest significance records shown on the map
StationCountryTypeValueSignificance
Gulgong Post OfficeAustraliaRecord daily precipitation84.2 mm (3.3 in)76 of 100 (Major)
Breadalbane (Old Post Office)AustraliaRecord daily precipitation88.2 mm (3.5 in)76 of 100 (Major)
Mudgee (George Street)AustraliaRecord daily precipitation77.6 mm (3.1 in)75 of 100 (Major)
O'Connell (Stratford)AustraliaRecord daily precipitation65.8 mm (2.6 in)75 of 100 (Major)
Chatsbury (Maryland)AustraliaRecord daily precipitation96.6 mm (3.8 in)75 of 100 (Major)
Collector (Brookdale)AustraliaRecord daily precipitation94.0 mm (3.7 in)75 of 100 (Major)
Cootamundra (Landgrove)AustraliaRecord daily precipitation88.0 mm (3.5 in)75 of 100 (Major)
Cobbora (Ellismayne)AustraliaRecord daily precipitation68.0 mm (2.7 in)74 of 100 (Major)
Goulburn (Kippilaw)AustraliaRecord daily precipitation112.0 mm (4.4 in)73 of 100 (Major)
Bungonia (Inverary Park)AustraliaRecord daily precipitation65.8 mm (2.6 in)69 of 100 (Major)
Gilgandra (Wallumburrawang)AustraliaRecord daily precipitation83.4 mm (3.3 in)66 of 100 (Major)
Kangiara (Laverstock)AustraliaRecord daily precipitation116.0 mm (4.6 in)66 of 100 (Major)
Wanganella (Zara)AustraliaRecord daily precipitation30.2 mm (1.2 in)64 of 100 (Major)
Running Stream (Brooklyn)AustraliaRecord daily precipitation65.0 mm (2.6 in)62 of 100 (Major)
Taralga (Grathawai)AustraliaRecord daily precipitation106.4 mm (4.2 in)62 of 100 (Major)
Hay (Miller Street)AustraliaRecord daily precipitation46.7 mm (1.8 in)62 of 100 (Major)
MiyakoJapanRecord daily precipitation163.0 mm (6.4 in)62 of 100 (Major)
Ulan WaterAustraliaRecord daily precipitation66.6 mm (2.6 in)61 of 100 (Major)
Carrathool MotorsAustraliaRecord daily precipitation41.4 mm (1.6 in)61 of 100 (Major)
Bredbo (Bredbo Station)AustraliaRecord daily precipitation56.0 mm (2.2 in)60 of 100 (Major)
Groongal (Groongal Station)AustraliaRecord daily precipitation45.6 mm (1.8 in)60 of 100 (Major)
Ilford (Tara)AustraliaRecord daily precipitation56.0 mm (2.2 in)59 of 100 (Notable)
Chakola (Riversdale)AustraliaRecord daily precipitation60.0 mm (2.4 in)59 of 100 (Notable)
Adaminaby Alpine Tourist ParkAustraliaRecord daily precipitation59.4 mm (2.3 in)59 of 100 (Notable)
Whalen Dam (Usbr)United StatesRecord daily precipitation59.7 mm (2.4 in)59 of 100 (Notable)
Sunny Corner (Snow Line)AustraliaRecord daily precipitation75.0 mm (3.0 in)58 of 100 (Notable)
Coolah (Binnia St)AustraliaRecord daily precipitation43.0 mm (1.7 in)58 of 100 (Notable)
Carrathool (Gum Creek)AustraliaRecord daily precipitation50.4 mm (2.0 in)58 of 100 (Notable)
Gibson DamUnited StatesRecord daily precipitation35.8 mm (1.4 in)58 of 100 (Notable)
Yass (Derringullen)AustraliaRecord daily precipitation105.6 mm (4.2 in)57 of 100 (Notable)
Yass (Linton Hostel)AustraliaRecord daily precipitation95.0 mm (3.7 in)57 of 100 (Notable)
Burrinjuck DamAustraliaRecord daily precipitation96.9 mm (3.8 in)57 of 100 (Notable)
Goolma (Brooklyn)AustraliaRecord daily precipitation63.0 mm (2.5 in)56 of 100 (Notable)
OberlinUnited StatesRecord daily snowfall10.2 cm (4.0 in)56 of 100 (Notable)
Kowen ForestAustraliaRecord daily precipitation67.2 mm (2.6 in)55 of 100 (Notable)
Groongal (Gundaline)AustraliaRecord daily precipitation36.6 mm (1.4 in)55 of 100 (Notable)
Canberra Airport ComparisonAustraliaRecord daily precipitation58.6 mm (2.3 in)54 of 100 (Notable)
Bungendore (Gidleigh)AustraliaRecord daily precipitation45.2 mm (1.8 in)54 of 100 (Notable)
Yarra (Rowe's Lagoon)AustraliaRecord daily precipitation87.8 mm (3.5 in)54 of 100 (Notable)
Harden (Dunolly)AustraliaRecord daily precipitation69.0 mm (2.7 in)54 of 100 (Notable)
Neilrex (Caigan)AustraliaRecord daily precipitation45.0 mm (1.8 in)53 of 100 (Notable)
Elong Elong (Bendeela St)AustraliaRecord daily precipitation61.0 mm (2.4 in)53 of 100 (Notable)
Murringo (Windermere)AustraliaRecord daily precipitation54.8 mm (2.2 in)53 of 100 (Notable)
Ft CollinsUnited StatesRecord daily snowfall23.1 cm (9.1 in)53 of 100 (Notable)
Black Springs (Swatchfield)AustraliaRecord daily precipitation69.0 mm (2.7 in)52 of 100 (Notable)
Hall (Lochleigh)AustraliaRecord daily precipitation78.4 mm (3.1 in)52 of 100 (Notable)
Crookwell (Gundowringa)AustraliaRecord daily precipitation87.4 mm (3.4 in)52 of 100 (Notable)
Goulburn (Pomeroy)AustraliaRecord daily precipitation103.2 mm (4.1 in)52 of 100 (Notable)
Rugby (Carovale)AustraliaRecord daily precipitation96.6 mm (3.8 in)52 of 100 (Notable)
Denver-StapletonUnited StatesRecord daily snowfall29.0 cm (11.4 in)52 of 100 (Notable)
Golspie (Ayrston)AustraliaRecord daily precipitation86.0 mm (3.4 in)51 of 100 (Notable)
Jindabyne (Lynwood)AustraliaRecord daily precipitation40.4 mm (1.6 in)51 of 100 (Notable)
Murrumburrah Old Post OfficeAustraliaRecord daily precipitation65.6 mm (2.6 in)51 of 100 (Notable)
Conargo (Puckawidgee)AustraliaRecord daily precipitation33.7 mm (1.3 in)51 of 100 (Notable)
Lusk 2 SWUnited StatesRecord daily snowfall38.1 cm (15.0 in)51 of 100 (Notable)
Binda Post OfficeAustraliaRecord daily precipitation101.4 mm (4.0 in)50 of 100 (Notable)
Oberon (Gingkin)AustraliaRecord daily precipitation65.4 mm (2.6 in)50 of 100 (Notable)
Trunkey Creek (Trunkey (BlackAustraliaRecord daily precipitation44.6 mm (1.8 in)50 of 100 (Notable)
Dalton Post OfficeAustraliaRecord daily precipitation85.0 mm (3.3 in)50 of 100 (Notable)
WingarooAustraliaRecord daily precipitation45.8 mm (1.8 in)50 of 100 (Notable)

Counts by Type and Timescale

922 records
Records on 20 April 1984 by type Records set or tied on 20 April 1984 by type: Highest daily maximum 110, Lowest daily maximum 109, Highest daily minimum 75, Lowest daily minimum 55, Heaviest daily rainfall 470, Heaviest daily snowfall 70, Deepest snow cover 33. 0200400600Highest daily maximum: 110Lowest daily maximum: 109Highest daily minimum: 75Lowest daily minimum: 55Heaviest daily rainfall: 470Heaviest daily snowfall: 70Deepest snow cover: 33Max highMax lowMin highMin lowRainSnowDepth
Records set or tied on 20 April 1984 by type: Highest daily maximum 110, Lowest daily maximum 109, Highest daily minimum 75, Lowest daily minimum 55, Heaviest daily rainfall 470, Heaviest daily snowfall 70, Deepest snow cover 33.
Records on 20 April 1984 by type
Record typeRecords
Highest daily maximum110
Lowest daily maximum109
Highest daily minimum75
Lowest daily minimum55
Heaviest daily rainfall470
Heaviest daily snowfall70
Deepest snow cover33
Records on 20 April 1984 by timescale Records on 20 April 1984 by timescale: all-time 2, monthly 56, daily 864. 02505007501,000all-time: 2monthly: 56daily: 864all-timemonthlydaily
Records on 20 April 1984 by timescale: all-time 2, monthly 56, daily 864.
Records on 20 April 1984 by timescale
TimescaleRecords
all-time2
monthly56
daily864

How Much Records Were Beaten By

797 broken records
Histogram of margins by which records were beaten on 20 April 1984 Margins by which the 797 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 355.0. Ties are not counted. 02004006008000 to 50: 72950 to 100: 39100 to 150: 16150 to 200: 7200 to 250: 3250 to 300: 2300 to 350: 0350 to 400: 10 to 5050 to 100100 to 150150 to 200200 to 250250 to 300300 to 350350 to 400
Margins by which the 797 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 355.0. Ties are not counted.
Histogram of margins by which records were beaten on 20 April 1984
MarginRecords
0 to 50729
50 to 10039
100 to 15016
150 to 2007
200 to 2503
250 to 3002
300 to 3500
350 to 4001

Top 20 by Significance

20 April 1984
Top 20 records on 20 April 1984 by significance
DateStationRecordValueBeat old record byOld record stoodSignificance
20 April 1984Gulgong Post Office, AUdaily rain84.2 mm (3.3 in)47.6 mm (1.9 in)99 years76 of 100 (Major)
20 April 1984Breadalbane (Old Post Office), AUmonthly rain88.2 mm (3.5 in)35.4 mm (1.4 in)63 years76 of 100 (Major)
20 April 1984Mudgee (George Street), AUdaily rain77.6 mm (3.1 in)46.1 mm (1.8 in)89 years75 of 100 (Major)
20 April 1984O'Connell (Stratford), AUdaily rain65.8 mm (2.6 in)44.7 mm (1.8 in)89 years75 of 100 (Major)
20 April 1984Chatsbury (Maryland), AUdaily rain96.6 mm (3.8 in)61.0 mm (2.4 in)89 years75 of 100 (Major)
20 April 1984Collector (Brookdale), AUdaily rain94.0 mm (3.7 in)62.0 mm (2.4 in)89 years75 of 100 (Major)
20 April 1984Cootamundra (Landgrove), AUdaily rain88.0 mm (3.5 in)62.3 mm (2.5 in)89 years75 of 100 (Major)
20 April 1984Cobbora (Ellismayne), AUdaily rain68.0 mm (2.7 in)48.4 mm (1.9 in)89 years74 of 100 (Major)
20 April 1984Goulburn (Kippilaw), AUmonthly rain112.0 mm (4.4 in)38.3 mm (1.5 in)63 years73 of 100 (Major)
20 April 1984Bungonia (Inverary Park), AUdaily rain65.8 mm (2.6 in)33.3 mm (1.3 in)89 years69 of 100 (Major)
20 April 1984Gilgandra (Wallumburrawang), AUdaily rain83.4 mm (3.3 in)73.7 mm (2.9 in)60 years66 of 100 (Major)
20 April 1984Kangiara (Laverstock), AUall-time rain116.0 mm (4.6 in)20.7 mm (0.8 in)61 years66 of 100 (Major)
20 April 1984Wanganella (Zara), AUdaily rain30.2 mm (1.2 in)22.3 mm (0.9 in)103 years64 of 100 (Major)
20 April 1984Running Stream (Brooklyn), AUdaily rain65.0 mm (2.6 in)53.6 mm (2.1 in)49 years62 of 100 (Major)
20 April 1984Taralga (Grathawai), AUmonthly rain106.4 mm (4.2 in)40.9 mm (1.6 in)15 years62 of 100 (Major)
20 April 1984Hay (Miller Street), AUdaily rain46.7 mm (1.8 in)23.1 mm (0.9 in)92 years62 of 100 (Major)
20 April 1984Miyako, JPmonthly rain163.0 mm (6.4 in)59.5 mm (2.3 in)30 years62 of 100 (Major)
20 April 1984Ulan Water, AUdaily rain66.6 mm (2.6 in)58.7 mm (2.3 in)49 years61 of 100 (Major)
20 April 1984Carrathool Motors, AUdaily rain41.4 mm (1.6 in)24.1 mm (0.9 in)92 years61 of 100 (Major)
20 April 1984Bredbo (Bredbo Station), AUdaily rain56.0 mm (2.2 in)32.6 mm (1.3 in)61 years60 of 100 (Major)

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

1807 to 1984
Records on 04-20 in each year Records set or tied on this calendar date in each year from 1807 to 1984. 1984 had 922 records. 05001,0001,5002,0001807: 31817: 11838: 11849: 21851: 11852: 41854: 11858: 11860: 11864: 11865: 31868: 11869: 11870: 11872: 11874: 31875: 41876: 11878: 21880: 21881: 21884: 11885: 11886: 21889: 11891: 21892: 11893: 61894: 81895: 71896: 31897: 61898: 11899: 11901: 81902: 31903: 141904: 311905: 91906: 121907: 181908: 141909: 221910: 251911: 181912: 121913: 191914: 461915: 451916: 191917: 331918: 421919: 171920: 491921: 271922: 401923: 1571924: 1131925: 1691926: 3101927: 4421928: 2121929: 1821930: 871931: 2551932: 1661933: 2791934: 3841935: 3841936: 3111937: 4271938: 3391939: 1581940: 5191941: 5581942: 2231943: 6701944: 3041945: 3911946: 3951947: 3081948: 4931949: 4771950: 3291951: 6901952: 5521953: 1,0711954: 3771955: 6231956: 3841957: 7301958: 3271959: 5631960: 4721961: 1,0781962: 4871963: 5951964: 7491965: 7241966: 1,1741967: 8641968: 9751969: 3821970: 9481971: 7651972: 5311973: 9821974: 6731975: 3441976: 6611977: 6931978: 8001979: 4951980: 1,5391981: 7061982: 9061983: 1,8441984: 9221985: 1,1401986: 7701987: 1,4471988: 1,1441989: 1,1871990: 1,4951991: 1,0751992: 1,0091993: 7721994: 7561995: 1,3511996: 9701997: 8331998: 1,4901999: 6742000: 9312001: 7522002: 1,0812003: 7582004: 5672005: 7072006: 8592007: 5822008: 1,1102009: 8452010: 6932011: 1,4772012: 7262013: 1,5202014: 3842015: 7022016: 6502017: 7342018: 1,3092019: 1,0192020: 4492021: 1,2152022: 5962023: 8282024: 6732025: 8362026: 5331807187518981915193119471963197919952011
Records set or tied on this calendar date in each year from 1807 to 1984. 1984 had 922 records.
Counts for years before the ledger starts come from the same station rules.
Records on 04-20 in each year
YearRecords
18073
18171
18381
18492
18511
18524
18541
18581
18601
18641
18653
18681
18691
18701
18721
18743
18754
18761
18782
18802
18812
18841
18851
18862
18891
18912
18921
18936
18948
18957
18963
18976
18981
18991
19018
19023
190314
190431
19059
190612
190718
190814
190922
191025
191118
191212
191319
191446
191545
191619
191733
191842
191917
192049
192127
192240
1923157
1924113
1925169
1926310
1927442
1928212
1929182
193087
1931255
1932166
1933279
1934384
1935384
1936311
1937427
1938339
1939158
1940519
1941558
1942223
1943670
1944304
1945391
1946395
1947308
1948493
1949477
1950329
1951690
1952552
19531,071
1954377
1955623
1956384
1957730
1958327
1959563
1960472
19611,078
1962487
1963595
1964749
1965724
19661,174
1967864
1968975
1969382
1970948
1971765
1972531
1973982
1974673
1975344
1976661
1977693
1978800
1979495
19801,539
1981706
1982906
19831,844
1984922
19851,140
1986770
19871,447
19881,144
19891,187
19901,495
19911,075
19921,009
1993772
1994756
19951,351
1996970
1997833
19981,490
1999674
2000931
2001752
20021,081
2003758
2004567
2005707
2006859
2007582
20081,110
2009845
2010693
20111,477
2012726
20131,520
2014384
2015702
2016650
2017734
20181,309
20191,019
2020449
20211,215
2022596
2023828
2024673
2025836
2026533

Download the Data

  • Data for records on 1984-04-20: 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 (2026-10-16).