Built 2026-10-16 (16 October 2026)

Chios Weather Records (GRE00105240)

Record envelope, standing records and threshold days for Chios (GRE00105240), Greece, with 32 years of record.

Key Facts for Chios

  • Chios (GRE00105240) is a weather station in Greece at 38.33 latitude and 26.13 longitude, 4 m (13 ft) above sea level.
  • The station reports from 1973 to 2004, 32 years of record.
  • 1,464 records set at Chios still stand.
  • Records are tracked for tmax, tmin: an element needs 30 years of data to be eligible.
  • Chios set a daily record low minimum temperature of -1.0 C (30.2 F) on 17 December 2004.

About the Station

  • Location: Greece, 38.33 latitude, 26.13 longitude.
  • Elevation: 4 m (13 ft).
  • Period of record: 1973 to 2004, 32 years.
  • Eligible elements: tmax, tmin.

Daily Record Envelope and 2026

0 days at or beyond a record
Daily record high and record low at Chios, with 2026 drawn through them The band shows the record high and record low for each calendar day at Chios. The lines show the 2026 daily maximum and minimum. 0 days in 2026 matched or passed a record. Temperatures are in degrees Celsius. -1001020304050 JanFebMarAprMayJunJulAugSepOctNovDec
The band shows the record high and record low for each calendar day at Chios. The lines show the 2026 daily maximum and minimum. 0 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.
Daily record high and record low at Chios, with 2026 drawn through them
MonthHighest record highLowest record low2026 highest maximum2026 lowest minimum
Jan19.8 C (67.6 F)-4.0 C (24.8 F)n/an/a
Feb22.0 C (71.6 F)-4.0 C (24.8 F)n/an/a
Mar24.0 C (75.2 F)-3.0 C (26.6 F)n/an/a
Apr27.8 C (82.0 F)0.0 C (32.0 F)n/an/a
May35.6 C (96.1 F)5.0 C (41.0 F)n/an/a
Jun39.0 C (102.2 F)9.0 C (48.2 F)n/an/a
Jul39.0 C (102.2 F)11.0 C (51.8 F)n/an/a
Aug40.6 C (105.1 F)12.0 C (53.6 F)n/an/a
Sep35.0 C (95.0 F)5.8 C (42.4 F)n/an/a
Oct32.8 C (91.0 F)3.4 C (38.1 F)n/an/a
Nov26.6 C (79.9 F)-0.6 C (30.9 F)n/an/a
Dec21.4 C (70.5 F)-2.0 C (28.4 F)n/an/a

Which Years Hold Standing Records

1,464 standing records
Standing records at Chios by the year they were set 1,464 records at Chios still stand. 1987 holds the most, with 81. 02550751001973: 81974: 271975: 421976: 601977: 641978: 381979: 671980: 481981: 541982: 451983: 551984: 261985: 331986: 141987: 811988: 501989: 441990: 471991: 561992: 551993: 411994: 541995: 471996: 271997: 361998: 431999: 312000: 512001: 692002: 342003: 532004: 6419731977198119851989199319972001
1,464 records at Chios still stand. 1987 holds the most, with 81.
Standing records at Chios by the year they were set
Year setStanding records
19738
197427
197542
197660
197764
197838
197967
198048
198154
198245
198355
198426
198533
198614
198781
198850
198944
199047
199156
199255
199341
199454
199547
199627
199736
199843
199931
200051
200169
200234
200353
200464

All-Time Record Progression

1 new records
When Chios set new all-time records 1 all-time records were set at Chios between 14 February 2004 and 14 February 2004. Each dot is a new record. Record low maximum temperature14 February 2004: Record low maximum temperature 1.2 C (34.2 F)2005
1 all-time records were set at Chios between 14 February 2004 and 14 February 2004. Each dot is a new record.
When Chios set new all-time records
DateKindDetail
2004-02-14Record low maximum temperatureRecord low maximum temperature 1.2 C (34.2 F)

Period of Record Coverage

1974 to 2004
Days with data per year at Chios 31 years of record at Chios, 1974 to 2004. Every year has data for at least 90 percent of its days. 1974: 333 of 365 days1975: 360 of 365 days1976: 361 of 366 days1977: 361 of 365 days1978: 357 of 365 days1979: 353 of 365 days1980: 347 of 366 days1981: 358 of 365 days1982: 359 of 365 days1983: 359 of 365 days1984: 361 of 366 days1985: 347 of 365 days1986: 358 of 365 days1987: 352 of 365 days1988: 362 of 366 days1989: 365 of 365 days1990: 363 of 365 days1991: 359 of 365 days1992: 362 of 366 days1993: 362 of 365 days1994: 361 of 365 days1995: 363 of 365 days1996: 363 of 366 days1997: 364 of 365 days1998: 363 of 365 days1999: 365 of 365 days2000: 361 of 366 days2001: 365 of 365 days2002: 365 of 365 days2003: 365 of 365 days2004: 365 of 366 days197519801985199019952000
31 years of record at Chios, 1974 to 2004. Every year has data for at least 90 percent of its days.
Days with data per year at Chios
YearDays with dataShare of yearComplete
197433391%Yes
197536099%Yes
197636199%Yes
197736199%Yes
197835798%Yes
197935397%Yes
198034795%Yes
198135898%Yes
198235998%Yes
198335998%Yes
198436199%Yes
198534795%Yes
198635898%Yes
198735296%Yes
198836299%Yes
1989365100%Yes
199036399%Yes
199135998%Yes
199236299%Yes
199336299%Yes
199436199%Yes
199536399%Yes
199636399%Yes
1997364100%Yes
199836399%Yes
1999365100%Yes
200036199%Yes
2001365100%Yes
2002365100%Yes
2003365100%Yes
2004365100%Yes

Latest Records

20
Latest records at Chios
DateStationRecordValueBeat old record byOld record stoodSignificance
17 December 2004Chios, GRdaily low min-1.0 C (30.2 F)1.0 C (1.8 F)31 years14 of 100 (Routine)
30 November 2004Chios, GRdaily high max (Tie)20.0 C (68.0 F)tie24 years2 of 100 (Routine)
26 November 2004Chios, GRdaily low max8.6 C (47.5 F)0.6 C (1.1 F)11 years7 of 100 (Routine)
23 November 2004Chios, GRdaily low min0.0 C (32.0 F)2.4 C (4.3 F)9 years11 of 100 (Routine)
15 November 2004Chios, GRdaily high min19.2 C (66.6 F)3.2 C (5.8 F)3 years11 of 100 (Routine)
14 November 2004Chios, GRmonthly high min20.6 C (69.1 F)0.6 C (1.1 F)14 years18 of 100 (Routine)
13 November 2004Chios, GRdaily high max23.2 C (73.8 F)0.2 C (0.4 F)3 years3 of 100 (Routine)
12 November 2004Chios, GRdaily high max22.6 C (72.7 F)0.6 C (1.1 F)10 years7 of 100 (Routine)
11 November 2004Chios, GRdaily high min16.6 C (61.9 F)0.8 C (1.4 F)17 years10 of 100 (Routine)
30 October 2004Chios, GRdaily high max25.0 C (77.0 F)0.6 C (1.1 F)12 years7 of 100 (Routine)
29 October 2004Chios, GRdaily high max25.6 C (78.1 F)1.4 C (2.5 F)12 years10 of 100 (Routine)
27 October 2004Chios, GRdaily high max25.8 C (78.4 F)0.2 C (0.4 F)12 years6 of 100 (Routine)
26 October 2004Chios, GRdaily high max26.6 C (79.9 F)3.2 C (5.8 F)12 years15 of 100 (Routine)
21 October 2004Chios, GRdaily high max26.8 C (80.2 F)0.4 C (0.7 F)13 years7 of 100 (Routine)
19 October 2004Chios, GRdaily high min18.0 C (64.4 F)1.0 C (1.8 F)2 years5 of 100 (Routine)
18 October 2004Chios, GRdaily high max27.0 C (80.6 F)0.8 C (1.4 F)11 years8 of 100 (Routine)
4 October 2004Chios, GRdaily high min19.4 C (66.9 F)0.4 C (0.7 F)14 years8 of 100 (Routine)
3 October 2004Chios, GRdaily high min19.8 C (67.6 F)0.8 C (1.4 F)28 years13 of 100 (Routine)
26 September 2004Chios, GRdaily high min22.6 C (72.7 F)0.4 C (0.7 F)10 years7 of 100 (Routine)
13 September 2004Chios, GRdaily low max (Tie)23.0 C (73.4 F)tie14 years1 of 100 (Routine)

Climate Trend

29 complete years, 1975 to 2004
Annual mean temperature at Chios as warming stripes, 1975 to 2004 One stripe for each of 29 complete years at Chios, 1975 to 2004. Blue stripes are years cooler than the station's own mean of 16.8 C (62.2 F); red stripes are warmer. The coolest year was 1976, at 15.7 C (60.3 F), and the warmest was 2001, at 18.2 C (64.8 F). The strongest colour marks a difference of 1.5 C (2.7 F). 1975: 16.6 C, -0.2 C from the station mean1976: 15.7 C, -1.1 C from the station mean1977: 16.7 C, -0.1 C from the station mean1978: 16.6 C, -0.2 C from the station mean1979: 16.8 C, 0.0 C from the station mean1980: 16.3 C, -0.5 C from the station mean1981: 16.7 C, -0.1 C from the station mean1982: 16.1 C, -0.7 C from the station mean1983: 15.9 C, -0.9 C from the station mean1984: 16.8 C, 0.0 C from the station mean1986: 17.0 C, +0.2 C from the station mean1987: 16.4 C, -0.4 C from the station mean1988: 16.6 C, -0.2 C from the station mean1989: 16.6 C, -0.2 C from the station mean1990: 17.1 C, +0.3 C from the station mean1991: 16.2 C, -0.6 C from the station mean1992: 15.9 C, -0.9 C from the station mean1993: 16.5 C, -0.3 C from the station mean1994: 17.6 C, +0.8 C from the station mean1995: 16.9 C, +0.1 C from the station mean1996: 16.7 C, -0.1 C from the station mean1997: 16.6 C, -0.2 C from the station mean1998: 17.3 C, +0.5 C from the station mean1999: 18.0 C, +1.2 C from the station mean2000: 17.0 C, +0.2 C from the station mean2001: 18.2 C, +1.4 C from the station mean2002: 17.6 C, +0.8 C from the station mean2003: 17.2 C, +0.4 C from the station mean2004: 17.5 C, +0.7 C from the station mean197519801985199019952000
One stripe for each of 29 complete years at Chios, 1975 to 2004. Blue stripes are years cooler than the station's own mean of 16.8 C (62.2 F); red stripes are warmer. The coolest year was 1976, at 15.7 C (60.3 F), and the warmest was 2001, at 18.2 C (64.8 F). The strongest colour marks a difference of 1.5 C (2.7 F).
Annual mean temperature at Chios as warming stripes, 1975 to 2004
YearAnnual mean temperatureDifference from the station mean
197516.6 C-0.24 C
197615.7 C-1.06 C
197716.7 C-0.08 C
197816.6 C-0.20 C
197916.8 C+0.04 C
198016.3 C-0.51 C
198116.7 C-0.13 C
198216.1 C-0.73 C
198315.9 C-0.86 C
198416.8 C-0.05 C
198617.0 C+0.24 C
198716.4 C-0.41 C
198816.6 C-0.21 C
198916.6 C-0.19 C
199017.1 C+0.30 C
199116.2 C-0.59 C
199215.9 C-0.86 C
199316.5 C-0.32 C
199417.6 C+0.83 C
199516.9 C+0.05 C
199616.7 C-0.12 C
199716.6 C-0.23 C
199817.3 C+0.53 C
199918.0 C+1.17 C
200017.0 C+0.19 C
200118.2 C+1.40 C
200217.6 C+0.79 C
200317.2 C+0.44 C
200417.5 C+0.68 C

This station does not have enough complete years (30 are needed) to fit a temperature trend.

A year is complete when all 12 months have at least 20 days of both daily maximum and daily minimum readings. The annual mean is the mean of the monthly means. The trend describes this one station over this period; it does not say what caused the change.

Extremes by Year

1973 to 2004
Yearly extremes at Chios: the record and the median year
MeasureRecordYear of the recordMedian yearYears with a value
Hottest day (TXx)40.6 C (105.1 F)199436.0 C (96.8 F)31
Coldest night (TNn)-4.0 C (24.8 F)1983-1.6 C (29.1 F)32

Hottest day (TXx)

Hottest day (TXx) at Chios by year The hottest day of the year at Chios, 1973 to 2004. The record is 40.6 C (105.1 F) in 1994, marked on the chart; the median year is 36.0 C (96.8 F). 3032.53537.54042.5198019902000Record: 40.6 C (105.1 F) in 1994
The hottest day of the year at Chios, 1973 to 2004. The record is 40.6 C (105.1 F) in 1994, marked on the chart; the median year is 36.0 C (96.8 F).
Hottest day (TXx) at Chios by year
YearHottest day (TXx)
1973n/a
197435.8 C (96.4 F)
197534.0 C (93.2 F)
197632.0 C (89.6 F)
197736.2 C (97.2 F)
197836.0 C (96.8 F)
197938.8 C (101.8 F)
198035.0 C (95.0 F)
198136.2 C (97.2 F)
198239.0 C (102.2 F)
198335.6 C (96.1 F)
198435.0 C (95.0 F)
198535.0 C (95.0 F)
198635.6 C (96.1 F)
198739.0 C (102.2 F)
198836.6 C (97.9 F)
198934.0 C (93.2 F)
199037.4 C (99.3 F)
199134.0 C (93.2 F)
199235.0 C (95.0 F)
199334.2 C (93.6 F)
199440.6 C (105.1 F)
199534.4 C (93.9 F)
199635.4 C (95.7 F)
199736.0 C (96.8 F)
199837.0 C (98.6 F)
199936.0 C (96.8 F)
200037.0 C (98.6 F)
200136.4 C (97.5 F)
200236.6 C (97.9 F)
200336.2 C (97.2 F)
200435.2 C (95.4 F)

Coldest night (TNn)

Coldest night (TNn) at Chios by year The coldest night of the year at Chios, 1973 to 2004. The record is -4.0 C (24.8 F) in 1983, marked on the chart; the median year is -1.6 C (29.1 F). -4-202198019902000Record: -4.0 C (24.8 F) in 1983
The coldest night of the year at Chios, 1973 to 2004. The record is -4.0 C (24.8 F) in 1983, marked on the chart; the median year is -1.6 C (29.1 F).
Coldest night (TNn) at Chios by year
YearColdest night (TNn)
19730.0 C (32.0 F)
1974-3.0 C (26.6 F)
1975-3.4 C (25.9 F)
1976-3.0 C (26.6 F)
1977-1.6 C (29.1 F)
1978-0.8 C (30.6 F)
1979-2.0 C (28.4 F)
1980-2.0 C (28.4 F)
1981-0.4 C (31.3 F)
1982-2.0 C (28.4 F)
1983-4.0 C (24.8 F)
19841.0 C (33.8 F)
19850.0 C (32.0 F)
1986-1.2 C (29.8 F)
1987-4.0 C (24.8 F)
1988-1.4 C (29.5 F)
1989-1.0 C (30.2 F)
19900.0 C (32.0 F)
1991-2.8 C (27.0 F)
1992-2.0 C (28.4 F)
1993-1.6 C (29.1 F)
1994-0.4 C (31.3 F)
1995-0.6 C (30.9 F)
1996-1.8 C (28.8 F)
1997-4.0 C (24.8 F)
1998-0.2 C (31.6 F)
1999-1.0 C (30.2 F)
2000-3.0 C (26.6 F)
2001-1.0 C (30.2 F)
2002-2.0 C (28.4 F)
20030.0 C (32.0 F)
2004-4.0 C (24.8 F)

Each chart shows one value per year; the dot marks the record year. TXx is the hottest daily maximum, TNn the coldest daily minimum, Rx1day and Rx5day the largest one-day and five-day rain totals, and CDD the longest run of days with less than 1 mm of rain. A year with missing days can understate an extreme.

Download the Data

  • Data for Chios standing records by year: CSV or JSON. Field meanings are on the data page.
  • Data for Chios threshold days by year: CSV or JSON. Field meanings are on the data page.

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)) Data as of 2026-10-14 (14 October 2026). Records are computed by this site and are not official.

Data as of . Last revised (2025-12-31).