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Built 2026-10-19 (19 October 2026)

Weather Records on 15 September 1917

50 weather records were set or tied worldwide on 15 September 1917. Highest significance: Taree (Radio Station 2Re), AU.

Key Facts for 15 September 1917

  • On 15 September 1917, 50 weather records were set or tied at long-record stations worldwide.
  • 3 were record highs and 8 were record lows, counting maximum and minimum temperature.
  • By timescale, 0 were all-time records, 1 monthly and 49 daily.
  • Taree (Radio Station 2Re) set a daily record precipitation of 95.8 mm (3.8 in) on 15 September 1917.
  • Across 170 earlier years (1797 to 2026) the same calendar date averaged 415 records.

Record Map

50 stations
Weather records on 15 September 1917 50 station records on 15 September 1917 are marked on the map, coloured by record type.
50 station records on 15 September 1917 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.
Weather records on 15 September 1917: highest significance records shown on the map
StationCountryTypeValueSignificance
Taree (Radio Station 2Re)AustraliaRecord daily precipitation95.8 mm (3.8 in)47 of 100 (Notable)
Carrieton (Yackara)AustraliaRecord daily precipitation30.5 mm (1.2 in)44 of 100 (Notable)
YudnapinnaAustraliaRecord daily precipitation25.4 mm (1.0 in)39 of 100 (Notable)
Neds Corner HomesteadAustraliaRecord daily precipitation30.5 mm (1.2 in)36 of 100 (Notable)
Stanthorpe Leslie ParadeAustraliaRecord daily precipitation40.6 mm (1.6 in)34 of 100 (Routine)
Quorn (Olive Grove)AustraliaRecord daily precipitation31.5 mm (1.2 in)29 of 100 (Routine)
Tenterfield (Federation Park)AustraliaRecord daily precipitation41.7 mm (1.6 in)28 of 100 (Routine)
WashingtonUnited StatesRecord low maximum temperature16.7 C (62.1 F)28 of 100 (Routine)
Lawrence Post OfficeAustraliaRecord daily precipitation37.3 mm (1.5 in)25 of 100 (Routine)
Southport Ridgeway AveAustraliaRecord daily precipitation47.5 mm (1.9 in)24 of 100 (Routine)
Belton (Shadow Vale)AustraliaRecord daily precipitation38.1 mm (1.5 in)22 of 100 (Routine)
SimferopolUkraineRecord daily precipitation18.3 mm (0.7 in)20 of 100 (Routine)
Miles Post OfficeAustraliaRecord daily precipitation17.3 mm (0.7 in)20 of 100 (Routine)
Second Valley (Spring Grove)AustraliaRecord daily precipitation24.4 mm (1.0 in)20 of 100 (Routine)
ToowoombaAustraliaRecord daily precipitation17.8 mm (0.7 in)20 of 100 (Routine)
Port ElliottAustraliaRecord daily precipitation21.8 mm (0.9 in)19 of 100 (Routine)
RamornieAustraliaRecord daily precipitation20.1 mm (0.8 in)19 of 100 (Routine)
WeldonUnited StatesRecord daily precipitation57.2 mm (2.3 in)19 of 100 (Routine)
Taroom Post OfficeAustraliaRecord daily precipitation8.4 mm (0.33 in)18 of 100 (Routine)
Nerang Gilston RdAustraliaRecord daily precipitation36.1 mm (1.4 in)18 of 100 (Routine)
Allora Post OfficeAustraliaRecord daily precipitation26.2 mm (1.0 in)18 of 100 (Routine)
Kempsey (Wide Street)AustraliaRecord daily precipitation31.2 mm (1.2 in)18 of 100 (Routine)
Pointe Au PereCanadaRecord low minimum temperature-0.6 C (30.9 F)18 of 100 (Routine)
AstoriaUnited StatesRecord high minimum temperature15.6 C (60.1 F)18 of 100 (Routine)
Englesberg VillageAustraliaRecord daily precipitation13.0 mm (0.5 in)16 of 100 (Routine)
Warwick Post OfficeAustraliaRecord daily precipitation29.2 mm (1.1 in)16 of 100 (Routine)
Cape May 2 NWUnited StatesRecord low maximum temperature18.3 C (64.9 F)16 of 100 (Routine)
Hawkwood StationAustraliaRecord daily precipitation11.9 mm (0.5 in)15 of 100 (Routine)
RoseberryAustraliaRecord daily precipitation17.5 mm (0.7 in)15 of 100 (Routine)
YalataAustraliaRecord daily precipitation3.6 mm (0.14 in)14 of 100 (Routine)
Walgett (Euroka)AustraliaRecord daily precipitation2.0 mm (0.08 in)14 of 100 (Routine)
CoondamboAustraliaRecord daily precipitation1.0 mm (0.04 in)13 of 100 (Routine)
Woomera (Oakden Hills)AustraliaRecord daily precipitation0.3 mm (0.01 in)13 of 100 (Routine)
Woolgoolga (Clear Place)AustraliaRecord daily precipitation20.1 mm (0.8 in)13 of 100 (Routine)
GoglandRussiaRecord daily precipitation10.1 mm (0.4 in)12 of 100 (Routine)
PiteaSwedenRecord low maximum temperature7.0 C (44.6 F)12 of 100 (Routine)
Baltimore Customs HouseUnited StatesRecord low maximum temperature16.7 C (62.1 F)12 of 100 (Routine)
PittsworthAustraliaRecord daily precipitation16.8 mm (0.7 in)11 of 100 (Routine)
JokkmokkSwedenRecord low maximum temperature5.3 C (41.5 F)11 of 100 (Routine)
Emu Park Hill StAustraliaRecord daily precipitation17.3 mm (0.7 in)10 of 100 (Routine)
WhittataAustraliaRecord daily precipitation0.5 mm (0.02 in)9 of 100 (Routine)
StonehengeAustraliaRecord daily precipitation19.1 mm (0.8 in)9 of 100 (Routine)
Camboon StationAustraliaRecord daily precipitation10.9 mm (0.4 in)7 of 100 (Routine)
Kilkivan Post OfficeAustraliaRecord daily precipitation4.8 mm (0.19 in)7 of 100 (Routine)
RivertonAustraliaRecord daily precipitation12.4 mm (0.5 in)6 of 100 (Routine)
New WestminsterCanadaRecord high minimum temperature12.8 C (55.0 F)6 of 100 (Routine)
Philadelphia CityUnited StatesRecord low maximum temperature17.8 C (64.0 F)6 of 100 (Routine)
YardeaAustraliaRecord daily precipitation3.3 mm (0.13 in)5 of 100 (Routine)
Sacramento 5 ESEUnited StatesRecord high minimum temperature18.3 C (64.9 F)3 of 100 (Routine)
HarnosandSwedenRecord low minimum temperature1.0 C (33.8 F)2 of 100 (Routine)

Counts by Type and Timescale

50 records
Records on 15 September 1917 by type Records set or tied on 15 September 1917 by type: Lowest daily maximum 6, Highest daily minimum 3, Lowest daily minimum 2, Heaviest daily rainfall 39. 010203040Highest daily maximum: 0Lowest daily maximum: 6Highest daily minimum: 3Lowest daily minimum: 2Heaviest daily rainfall: 39Heaviest daily snowfall: 0Deepest snow cover: 0Max highMax lowMin highMin lowRainSnowDepth
Records set or tied on 15 September 1917 by type: Lowest daily maximum 6, Highest daily minimum 3, Lowest daily minimum 2, Heaviest daily rainfall 39.
Records on 15 September 1917 by type
Record typeRecords
Highest daily maximum0
Lowest daily maximum6
Highest daily minimum3
Lowest daily minimum2
Heaviest daily rainfall39
Heaviest daily snowfall0
Deepest snow cover0
Records on 15 September 1917 by timescale Records on 15 September 1917 by timescale: all-time 0, monthly 1, daily 49. 0204060all-time: 0monthly: 1daily: 49all-timemonthlydaily
Records on 15 September 1917 by timescale: all-time 0, monthly 1, daily 49.
Records on 15 September 1917 by timescale
TimescaleRecords
all-time0
monthly1
daily49

How Much Records Were Beaten By

48 broken records
Histogram of margins by which records were beaten on 15 September 1917 Margins by which the 48 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 66.1. Ties are not counted. 0102030400 to 10: 3410 to 20: 520 to 30: 830 to 40: 040 to 50: 050 to 60: 060 to 70: 10 to 1010 to 2020 to 3030 to 4040 to 5050 to 6060 to 70
Margins by which the 48 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 66.1. Ties are not counted.
Histogram of margins by which records were beaten on 15 September 1917
MarginRecords
0 to 1034
10 to 205
20 to 308
30 to 400
40 to 500
50 to 600
60 to 701

Top 20 by Significance

15 September 1917
Top 20 records on 15 September 1917 by significance
DateStationRecordValueBeat old record byOld record stoodSignificance
15 September 1917Taree (Radio Station 2Re), AUdaily rain95.8 mm (3.8 in)66.1 mm (2.6 in)29 years47 of 100 (Notable)
15 September 1917Carrieton (Yackara), AUdaily rain30.5 mm (1.2 in)28.7 mm (1.1 in)6 years44 of 100 (Notable)
15 September 1917Yudnapinna, AUdaily rain25.4 mm (1.0 in)24.1 mm (0.9 in)16 years39 of 100 (Notable)
15 September 1917Neds Corner Homestead, AUdaily rain30.5 mm (1.2 in)21.9 mm (0.9 in)8 years36 of 100 (Notable)
15 September 1917Stanthorpe Leslie Parade, AUdaily rain40.6 mm (1.6 in)24.9 mm (1.0 in)24 years34 of 100 (Routine)
15 September 1917Quorn (Olive Grove), AUdaily rain31.5 mm (1.2 in)21.3 mm (0.8 in)20 years29 of 100 (Routine)
15 September 1917Tenterfield (Federation Park), AUdaily rain41.7 mm (1.6 in)23.4 mm (0.9 in)14 years28 of 100 (Routine)
15 September 1917Washington, USdaily low max16.7 C (62.1 F)1.6 C (2.9 F)65 years28 of 100 (Routine)
15 September 1917Lawrence Post Office, AUdaily rain37.3 mm (1.5 in)20.5 mm (0.8 in)24 years25 of 100 (Routine)
15 September 1917Southport Ridgeway Ave, AUdaily rain47.5 mm (1.9 in)16.8 mm (0.7 in)28 years24 of 100 (Routine)
15 September 1917Belton (Shadow Vale), AUmonthly rain38.1 mm (1.5 in)5.1 mm (0.20 in)9 years22 of 100 (Routine)
15 September 1917Simferopol, UAdaily rain18.3 mm (0.7 in)14.6 mm (0.6 in)0 years20 of 100 (Routine)
15 September 1917Miles Post Office, AUdaily rain17.3 mm (0.7 in)13.7 mm (0.5 in)24 years20 of 100 (Routine)
15 September 1917Second Valley (Spring Grove), AUdaily rain24.4 mm (1.0 in)11.7 mm (0.5 in)8 years20 of 100 (Routine)
15 September 1917Toowoomba, AUdaily rain17.8 mm (0.7 in)8.7 mm (0.34 in)28 years20 of 100 (Routine)
15 September 1917Port Elliott, AUdaily rain21.8 mm (0.9 in)8.6 mm (0.34 in)2 years19 of 100 (Routine)
15 September 1917Ramornie, AUdaily rain20.1 mm (0.8 in)7.7 mm (0.30 in)28 years19 of 100 (Routine)
15 September 1917Weldon, USdaily rain57.2 mm (2.3 in)23.2 mm (0.9 in)12 years19 of 100 (Routine)
15 September 1917Taroom Post Office, AUdaily rain8.4 mm (0.33 in)7.4 mm (0.29 in)26 years18 of 100 (Routine)
15 September 1917Nerang Gilston Rd, AUdaily rain36.1 mm (1.4 in)9.7 mm (0.38 in)25 years18 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 1917
Records on 09-15 in each year Records set or tied on this calendar date in each year from 1797 to 1917. 1917 had 50 records. 01,0002,0003,0001797: 11803: 11806: 21810: 11816: 11818: 11823: 21833: 11836: 11837: 21839: 11841: 11848: 11850: 11851: 11854: 21856: 11857: 11859: 11864: 11865: 21866: 11867: 21868: 11869: 11872: 11873: 21876: 21877: 21880: 11881: 11882: 61884: 31885: 41886: 21887: 31888: 11889: 51890: 11894: 41895: 11897: 11898: 31899: 31900: 11901: 121902: 71903: 311904: 301905: 161906: 61907: 71908: 161909: 161910: 21911: 401912: 641913: 431914: 181915: 941916: 441917: 501918: 501919: 521920: 1641921: 1221922: 531923: 1931924: 1031925: 1121926: 1341927: 5391928: 861929: 991930: 2351931: 4221932: 2951933: 3221934: 3511935: 4631936: 4601937: 3371938: 2471939: 1,0981940: 1811941: 2761942: 2781943: 3601944: 3961945: 4181946: 4111947: 6211948: 5571949: 5231950: 7501951: 2831952: 4551953: 4001954: 5181955: 5321956: 6461957: 4491958: 2941959: 8441960: 4101961: 5861962: 5571963: 4551964: 8391965: 6141966: 5341967: 5781968: 4291969: 3621970: 1,1571971: 5981972: 3561973: 7741974: 3861975: 7391976: 6671977: 4001978: 6281979: 1,0221980: 5631981: 6131982: 1,3151983: 7561984: 7661985: 7641986: 9281987: 7191988: 8181989: 9551990: 9111991: 1,1651992: 9191993: 2,2271994: 1,3631995: 7231996: 1,2121997: 1,1771998: 1,7681999: 8582000: 1,1752001: 8372002: 1,2122003: 8552004: 8932005: 1,1232006: 1,0422007: 9462008: 1,1532009: 7732010: 9132011: 1,1702012: 5682013: 8542014: 4432015: 9972016: 9882017: 8252018: 8742019: 5382020: 7852021: 4672022: 3922023: 5072024: 6812025: 5032026: 7791797185918881910192819461964198220002018
Records set or tied on this calendar date in each year from 1797 to 1917. 1917 had 50 records.
Counts for years before the ledger starts come from the same station rules.
Records on 09-15 in each year
YearRecords
17971
18031
18062
18101
18161
18181
18232
18331
18361
18372
18391
18411
18481
18501
18511
18542
18561
18571
18591
18641
18652
18661
18672
18681
18691
18721
18732
18762
18772
18801
18811
18826
18843
18854
18862
18873
18881
18895
18901
18944
18951
18971
18983
18993
19001
190112
19027
190331
190430
190516
19066
19077
190816
190916
19102
191140
191264
191343
191418
191594
191644
191750
191850
191952
1920164
1921122
192253
1923193
1924103
1925112
1926134
1927539
192886
192999
1930235
1931422
1932295
1933322
1934351
1935463
1936460
1937337
1938247
19391,098
1940181
1941276
1942278
1943360
1944396
1945418
1946411
1947621
1948557
1949523
1950750
1951283
1952455
1953400
1954518
1955532
1956646
1957449
1958294
1959844
1960410
1961586
1962557
1963455
1964839
1965614
1966534
1967578
1968429
1969362
19701,157
1971598
1972356
1973774
1974386
1975739
1976667
1977400
1978628
19791,022
1980563
1981613
19821,315
1983756
1984766
1985764
1986928
1987719
1988818
1989955
1990911
19911,165
1992919
19932,227
19941,363
1995723
19961,212
19971,177
19981,768
1999858
20001,175
2001837
20021,212
2003855
2004893
20051,123
20061,042
2007946
20081,153
2009773
2010913
20111,170
2012568
2013854
2014443
2015997
2016988
2017825
2018874
2019538
2020785
2021467
2022392
2023507
2024681
2025503
2026779

Download the Data

  • Data for records on 1917-09-15: 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).