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Built 2026-10-19 (19 October 2026)

Weather Records on 16 August 1917

27 weather records were set or tied worldwide on 16 August 1917. Highest significance: Novorossijsk, RU.

Key Facts for 16 August 1917

  • On 16 August 1917, 27 weather records were set or tied at long-record stations worldwide.
  • 10 were record highs and 3 were record lows, counting maximum and minimum temperature.
  • By timescale, 0 were all-time records, 1 monthly and 26 daily.
  • Novorossijsk set a monthly record daily precipitation of 69.6 mm (2.7 in) on 16 August 1917.
  • Across 164 earlier years (1793 to 2026) the same calendar date averaged 469 records.

Record Map

27 stations
Weather records on 16 August 1917 27 station records on 16 August 1917 are marked on the map, coloured by record type.
27 station records on 16 August 1917 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.
Weather records on 16 August 1917: highest significance records shown on the map
StationCountryTypeValueSignificance
NovorossijskRussiaRecord daily precipitation69.6 mm (2.7 in)53 of 100 (Notable)
OrenburgRussiaRecord daily precipitation36.4 mm (1.4 in)45 of 100 (Notable)
TorontoCanadaRecord daily precipitation32.0 mm (1.3 in)27 of 100 (Routine)
HaldenNorwayRecord daily precipitation32.5 mm (1.3 in)25 of 100 (Routine)
OttawaCanadaRecord daily precipitation34.8 mm (1.4 in)23 of 100 (Routine)
Cairns Post OfficeAustraliaRecord daily precipitation14.2 mm (0.6 in)18 of 100 (Routine)
Philadelphia CityUnited StatesRecord daily precipitation57.2 mm (2.3 in)16 of 100 (Routine)
OuttrimAustraliaRecord daily precipitation17.3 mm (0.7 in)15 of 100 (Routine)
Stromsfoss SluseNorwayRecord daily precipitation29.5 mm (1.2 in)14 of 100 (Routine)
BredasdorpSouth AfricaRecord daily precipitation12.7 mm (0.5 in)14 of 100 (Routine)
Santa FeUnited StatesRecord low maximum temperature21.1 C (70.0 F)14 of 100 (Routine)
Prince AlbertCanadaRecord high maximum temperature32.2 C (90.0 F)13 of 100 (Routine)
HarnosandSwedenRecord high minimum temperature16.5 C (61.7 F)13 of 100 (Routine)
EkaterinburgRussiaRecord low minimum temperature4.1 C (39.4 F)12 of 100 (Routine)
Swift CurrentCanadaRecord high maximum temperature33.9 C (93.0 F)11 of 100 (Routine)
Pointe Au PereCanadaRecord high minimum temperature13.3 C (55.9 F)11 of 100 (Routine)
Table.Mtn PlatteklipSouth AfricaRecord daily precipitation26.7 mm (1.1 in)11 of 100 (Routine)
Portland Rfc CityUnited StatesRecord high minimum temperature17.2 C (63.0 F)11 of 100 (Routine)
Calgary Int'l ACanadaRecord high maximum temperature31.1 C (88.0 F)10 of 100 (Routine)
KazalinskKazakhstanRecord daily precipitation4.5 mm (0.18 in)9 of 100 (Routine)
GavleSwedenRecord high minimum temperature16.5 C (61.7 F)9 of 100 (Routine)
BjornholtNorwayRecord daily precipitation16.5 mm (0.6 in)8 of 100 (Routine)
BjurakerSwedenRecord high minimum temperature15.0 C (59.0 F)8 of 100 (Routine)
Chatham 2CanadaRecord daily precipitation27.4 mm (1.1 in)6 of 100 (Routine)
Adelaide West TerraceAustraliaRecord high maximum temperature21.8 C (71.2 F)5 of 100 (Routine)
Sacramento 5 ESEUnited StatesRecord low minimum temperature11.1 C (52.0 F)3 of 100 (Routine)
Houston Wb CityUnited StatesRecord high minimum temperature25.0 C (77.0 F)2 of 100 (Routine)

Counts by Type and Timescale

27 records
Records on 16 August 1917 by type Records set or tied on 16 August 1917 by type: Highest daily maximum 4, Lowest daily maximum 1, Highest daily minimum 6, Lowest daily minimum 2, Heaviest daily rainfall 14. 051015Highest daily maximum: 4Lowest daily maximum: 1Highest daily minimum: 6Lowest daily minimum: 2Heaviest daily rainfall: 14Heaviest daily snowfall: 0Deepest snow cover: 0Max highMax lowMin highMin lowRainSnowDepth
Records set or tied on 16 August 1917 by type: Highest daily maximum 4, Lowest daily maximum 1, Highest daily minimum 6, Lowest daily minimum 2, Heaviest daily rainfall 14.
Records on 16 August 1917 by type
Record typeRecords
Highest daily maximum4
Lowest daily maximum1
Highest daily minimum6
Lowest daily minimum2
Heaviest daily rainfall14
Heaviest daily snowfall0
Deepest snow cover0
Records on 16 August 1917 by timescale Records on 16 August 1917 by timescale: all-time 0, monthly 1, daily 26. 0102030all-time: 0monthly: 1daily: 26all-timemonthlydaily
Records on 16 August 1917 by timescale: all-time 0, monthly 1, daily 26.
Records on 16 August 1917 by timescale
TimescaleRecords
all-time0
monthly1
daily26

How Much Records Were Beaten By

25 broken records
Histogram of margins by which records were beaten on 16 August 1917 Margins by which the 25 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 29.8. Ties are not counted. 051015200 to 5: 175 to 10: 310 to 15: 115 to 20: 220 to 25: 025 to 30: 20 to 55 to 1010 to 1515 to 2020 to 2525 to 30
Margins by which the 25 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 29.8. Ties are not counted.
Histogram of margins by which records were beaten on 16 August 1917
MarginRecords
0 to 517
5 to 103
10 to 151
15 to 202
20 to 250
25 to 302

Top 20 by Significance

16 August 1917
Top 20 records on 16 August 1917 by significance
DateStationRecordValueBeat old record byOld record stoodSignificance
16 August 1917Novorossijsk, RUmonthly rain69.6 mm (2.7 in)29.8 mm (1.2 in)2 years53 of 100 (Notable)
16 August 1917Orenburg, RUdaily rain36.4 mm (1.4 in)28.3 mm (1.1 in)7 years45 of 100 (Notable)
16 August 1917Toronto, CAdaily rain32.0 mm (1.3 in)3.8 mm (0.15 in)59 years27 of 100 (Routine)
16 August 1917Halden, NOdaily rain32.5 mm (1.3 in)13.7 mm (0.5 in)19 years25 of 100 (Routine)
16 August 1917Ottawa, CAdaily rain34.8 mm (1.4 in)16.8 mm (0.7 in)8 years23 of 100 (Routine)
16 August 1917Cairns Post Office, AUdaily rain14.2 mm (0.6 in)6.3 mm (0.25 in)16 years18 of 100 (Routine)
16 August 1917Philadelphia City, USdaily rain57.2 mm (2.3 in)17.3 mm (0.7 in)8 years16 of 100 (Routine)
16 August 1917Outtrim, AUdaily rain17.3 mm (0.7 in)3.3 mm (0.13 in)23 years15 of 100 (Routine)
16 August 1917Stromsfoss Sluse, NOdaily rain29.5 mm (1.2 in)5.4 mm (0.21 in)18 years14 of 100 (Routine)
16 August 1917Bredasdorp, ZAdaily rain12.7 mm (0.5 in)7.1 mm (0.28 in)8 years14 of 100 (Routine)
16 August 1917Santa Fe, USdaily low max21.1 C (70.0 F)1.7 C (3.1 F)17 years14 of 100 (Routine)
16 August 1917Prince Albert, CAdaily high max32.2 C (90.0 F)1.6 C (2.9 F)25 years13 of 100 (Routine)
16 August 1917Harnosand, SEdaily high min16.5 C (61.7 F)1.5 C (2.7 F)18 years13 of 100 (Routine)
16 August 1917Ekaterinburg, RUdaily low min4.1 C (39.4 F)0.4 C (0.7 F)26 years12 of 100 (Routine)
16 August 1917Swift Current, CAdaily high max33.9 C (93.0 F)2.2 C (4.0 F)16 years11 of 100 (Routine)
16 August 1917Pointe Au Pere, CAdaily high min13.3 C (55.9 F)0.5 C (0.9 F)18 years11 of 100 (Routine)
16 August 1917Table.Mtn Platteklip, ZAdaily rain26.7 mm (1.1 in)2.8 mm (0.11 in)22 years11 of 100 (Routine)
16 August 1917Portland Rfc City, USdaily high min17.2 C (63.0 F)0.5 C (0.9 F)19 years11 of 100 (Routine)
16 August 1917Calgary Int'l A, CAdaily high max31.1 C (88.0 F)1.7 C (3.1 F)16 years10 of 100 (Routine)
16 August 1917Kazalinsk, KZdaily rain4.5 mm (0.18 in)1.0 mm (0.04 in)18 years9 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

1793 to 1917
Records on 08-16 in each year Records set or tied on this calendar date in each year from 1793 to 1917. 1917 had 27 records. 01,0002,0003,0001793: 11802: 21811: 11827: 11833: 11835: 11838: 11841: 11844: 21850: 11856: 11861: 21862: 11863: 11868: 21869: 11871: 11873: 11875: 21876: 51878: 11879: 31880: 21882: 21883: 21885: 41886: 11887: 21888: 51890: 51891: 21893: 61894: 11895: 41896: 51897: 41898: 61899: 21900: 31901: 71902: 51903: 121904: 91905: 91906: 111907: 201908: 311909: 251910: 141911: 161912: 301913: 881914: 101915: 321916: 1471917: 271918: 721919: 131920: 1441921: 421922: 1481923: 1351924: 1391925: 921926: 1651927: 3141928: 2071929: 5091930: 1581931: 3361932: 3481933: 2601934: 5041935: 4961936: 7281937: 8181938: 7001939: 3401940: 2871941: 3711942: 4471943: 5791944: 4671945: 3701946: 3131947: 4771948: 3421949: 3451950: 3051951: 4231952: 5521953: 5581954: 6481955: 5581956: 4131957: 4021958: 1,0131959: 3541960: 5181961: 8661962: 4231963: 8971964: 8311965: 5651966: 4331967: 8291968: 8241969: 6841970: 3861971: 6411972: 9971973: 5921974: 6891975: 7661976: 1,1531977: 8311978: 8351979: 1,6981980: 8551981: 7661982: 5161983: 1,2511984: 6621985: 1,0631986: 8111987: 1,1201988: 1,5941989: 7301990: 7021991: 6011992: 2,0271993: 8201994: 1,0751995: 1,5421996: 6781997: 1,2841998: 8651999: 6972000: 8732001: 1,1362002: 1,2582003: 1,2202004: 1,2392005: 8132006: 8942007: 1,4422008: 1,1832009: 1,1282010: 1,2392011: 8962012: 6702013: 7702014: 6402015: 8412016: 7862017: 6722018: 4122019: 4302020: 1,3822021: 8252022: 1,1452023: 1,3542024: 7652025: 6612026: 6611793187318961913193019471964198119982015
Records set or tied on this calendar date in each year from 1793 to 1917. 1917 had 27 records.
Counts for years before the ledger starts come from the same station rules.
Records on 08-16 in each year
YearRecords
17931
18022
18111
18271
18331
18351
18381
18411
18442
18501
18561
18612
18621
18631
18682
18691
18711
18731
18752
18765
18781
18793
18802
18822
18832
18854
18861
18872
18885
18905
18912
18936
18941
18954
18965
18974
18986
18992
19003
19017
19025
190312
19049
19059
190611
190720
190831
190925
191014
191116
191230
191388
191410
191532
1916147
191727
191872
191913
1920144
192142
1922148
1923135
1924139
192592
1926165
1927314
1928207
1929509
1930158
1931336
1932348
1933260
1934504
1935496
1936728
1937818
1938700
1939340
1940287
1941371
1942447
1943579
1944467
1945370
1946313
1947477
1948342
1949345
1950305
1951423
1952552
1953558
1954648
1955558
1956413
1957402
19581,013
1959354
1960518
1961866
1962423
1963897
1964831
1965565
1966433
1967829
1968824
1969684
1970386
1971641
1972997
1973592
1974689
1975766
19761,153
1977831
1978835
19791,698
1980855
1981766
1982516
19831,251
1984662
19851,063
1986811
19871,120
19881,594
1989730
1990702
1991601
19922,027
1993820
19941,075
19951,542
1996678
19971,284
1998865
1999697
2000873
20011,136
20021,258
20031,220
20041,239
2005813
2006894
20071,442
20081,183
20091,128
20101,239
2011896
2012670
2013770
2014640
2015841
2016786
2017672
2018412
2019430
20201,382
2021825
20221,145
20231,354
2024765
2025661
2026661

Download the Data

  • Data for records on 1917-08-16: 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).