Built 2026-10-19 (19 October 2026)

Weather Records on 17 August 1904

2 weather records were set or tied worldwide on 17 August 1904. Highest significance: Atlantic City Marina, US.

Key Facts for 17 August 1904

  • On 17 August 1904, 2 weather records were set or tied at long-record stations worldwide.
  • 2 were record highs and 0 were record lows, counting maximum and minimum temperature.
  • By timescale, 0 were all-time records, 0 monthly and 2 daily.
  • Atlantic City Marina set a daily record high maximum temperature of 30.6 C (87.1 F) on 17 August 1904.
  • Across 162 earlier years (1797 to 2026) the same calendar date averaged 477 records.

Record Map

2 stations
Weather records on 17 August 1904 2 station records on 17 August 1904 are marked on the map, coloured by record type.
2 station records on 17 August 1904 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.
Weather records on 17 August 1904: highest significance records shown on the map
StationCountryTypeValueSignificance
Atlantic City MarinaUnited StatesRecord high maximum temperature30.6 C (87.1 F)12 of 100 (Routine)
Nuwara EliyaSri LankaRecord high maximum temperature21.7 C (71.1 F)1 of 100 (Routine)

Counts by Type and Timescale

2 records
Records on 17 August 1904 by type Records set or tied on 17 August 1904 by type: Highest daily maximum 2. 01122Highest daily maximum: 2Lowest daily maximum: 0Highest daily minimum: 0Lowest daily minimum: 0Heaviest daily rainfall: 0Heaviest daily snowfall: 0Deepest snow cover: 0Max highMax lowMin highMin lowRainSnowDepth
Records set or tied on 17 August 1904 by type: Highest daily maximum 2.
Records on 17 August 1904 by type
Record typeRecords
Highest daily maximum2
Lowest daily maximum0
Highest daily minimum0
Lowest daily minimum0
Heaviest daily rainfall0
Heaviest daily snowfall0
Deepest snow cover0
Records on 17 August 1904 by timescale Records on 17 August 1904 by timescale: all-time 0, monthly 0, daily 2. 01122all-time: 0monthly: 0daily: 2all-timemonthlydaily
Records on 17 August 1904 by timescale: all-time 0, monthly 0, daily 2.
Records on 17 August 1904 by timescale
TimescaleRecords
all-time0
monthly0
daily2

How Much Records Were Beaten By

1 broken records
Histogram of margins by which records were beaten on 17 August 1904 Margins by which the 1 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 1.2. Ties are not counted. 001110.0 to 0.2: 00.2 to 0.4: 00.4 to 0.6: 00.6 to 0.8: 00.8 to 1.0: 01.0 to 1.2: 10.0 to 0.20.2 to 0.40.4 to 0.60.6 to 0.80.8 to 1.01.0 to 1.2
Margins by which the 1 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 1.2. Ties are not counted.
Histogram of margins by which records were beaten on 17 August 1904
MarginRecords
0.0 to 0.20
0.2 to 0.40
0.4 to 0.60
0.6 to 0.80
0.8 to 1.00
1.0 to 1.21

Top 20 by Significance

17 August 1904
Top 2 records on 17 August 1904 by significance
DateStationRecordValueBeat old record byOld record stoodSignificance
17 August 1904Atlantic City Marina, USdaily high max30.6 C (87.1 F)1.2 C (2.2 F)17 years12 of 100 (Routine)
17 August 1904Nuwara Eliya, LKdaily high max (Tie)21.7 C (71.1 F)tie15 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

1797 to 1904
Records on 08-17 in each year Records set or tied on this calendar date in each year from 1797 to 1904. 1904 had 2 records. 05001,0001,5002,0001797: 21802: 21820: 21837: 11838: 21841: 21842: 11845: 21853: 11854: 11856: 11857: 11861: 31862: 11867: 11868: 31869: 11872: 11875: 21876: 51879: 11881: 11882: 11883: 21885: 31886: 11888: 51891: 11892: 31893: 21894: 31895: 21896: 31897: 11898: 51899: 81900: 31901: 141902: 71903: 61904: 21905: 111906: 281907: 91908: 261909: 241910: 171911: 181912: 311913: 791914: 411915: 281916: 331917: 351918: 1121919: 371920: 1101921: 371922: 1691923: 1611924: 1711925: 1301926: 1821927: 2281928: 1311929: 2431930: 1381931: 3021932: 3601933: 2601934: 3771935: 4371936: 6701937: 7261938: 4661939: 3641940: 3411941: 3781942: 4611943: 7431944: 5311945: 3871946: 4331947: 6821948: 4751949: 3711950: 5221951: 4131952: 4701953: 3451954: 6851955: 4651956: 4071957: 5041958: 5191959: 5431960: 5331961: 9981962: 4451963: 6501964: 4101965: 6411966: 4961967: 6791968: 9531969: 5931970: 4671971: 4471972: 1,0441973: 7501974: 5821975: 6121976: 7971977: 1,2161978: 8141979: 1,4641980: 8951981: 1,1121982: 5541983: 1,5741984: 7261985: 9481986: 9161987: 1,1501988: 1,6081989: 6871990: 9491991: 5601992: 1,8131993: 8031994: 1,0381995: 1,7241996: 7521997: 1,5441998: 1,0031999: 6972000: 9942001: 1,1012002: 1,2662003: 9482004: 1,0462005: 7222006: 8142007: 1,6462008: 1,3012009: 9222010: 1,1052011: 9562012: 1,2152013: 8022014: 9972015: 8902016: 7482017: 5442018: 5182019: 4672020: 1,5292021: 8002022: 1,4282023: 1,0322024: 7402025: 5382026: 5351797187218981915193219491966198320002017
Records set or tied on this calendar date in each year from 1797 to 1904. 1904 had 2 records.
Counts for years before the ledger starts come from the same station rules.
Records on 08-17 in each year
YearRecords
17972
18022
18202
18371
18382
18412
18421
18452
18531
18541
18561
18571
18613
18621
18671
18683
18691
18721
18752
18765
18791
18811
18821
18832
18853
18861
18885
18911
18923
18932
18943
18952
18963
18971
18985
18998
19003
190114
19027
19036
19042
190511
190628
19079
190826
190924
191017
191118
191231
191379
191441
191528
191633
191735
1918112
191937
1920110
192137
1922169
1923161
1924171
1925130
1926182
1927228
1928131
1929243
1930138
1931302
1932360
1933260
1934377
1935437
1936670
1937726
1938466
1939364
1940341
1941378
1942461
1943743
1944531
1945387
1946433
1947682
1948475
1949371
1950522
1951413
1952470
1953345
1954685
1955465
1956407
1957504
1958519
1959543
1960533
1961998
1962445
1963650
1964410
1965641
1966496
1967679
1968953
1969593
1970467
1971447
19721,044
1973750
1974582
1975612
1976797
19771,216
1978814
19791,464
1980895
19811,112
1982554
19831,574
1984726
1985948
1986916
19871,150
19881,608
1989687
1990949
1991560
19921,813
1993803
19941,038
19951,724
1996752
19971,544
19981,003
1999697
2000994
20011,101
20021,266
2003948
20041,046
2005722
2006814
20071,646
20081,301
2009922
20101,105
2011956
20121,215
2013802
2014997
2015890
2016748
2017544
2018518
2019467
20201,529
2021800
20221,428
20231,032
2024740
2025538
2026535

Download the Data

  • Data for records on 1904-08-17: 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).