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Built 2026-10-17 (17 October 2026)

Dunkirk Chautauqua Co AP Weather Records (USW00014747)

Record envelope, standing records and threshold days for Dunkirk Chautauqua Co AP (USW00014747), New York, United States, with 82 years of record.

Key Facts for Dunkirk Chautauqua Co AP

  • Dunkirk Chautauqua Co AP (USW00014747) is a weather station in New York, United States at 42.49 latitude and -79.28 longitude, 204 m (669 ft) above sea level.
  • The station reports from 1945 to 2026, 82 years of record.
  • 1,464 records set at Dunkirk Chautauqua Co AP still stand.
  • Records are tracked for tmax, tmin, prcp: an element needs 30 years of data to be eligible.
  • Dunkirk Chautauqua Co AP set a daily record low minimum temperature of 2.2 C (36.0 F) on 25 September 2026 (provisional).

Provisional Records

Records set in the last 60 days are provisional until they clear the revision window.

About the Station

  • Location: New York, United States, 42.49 latitude, -79.28 longitude.
  • Elevation: 204 m (669 ft).
  • Period of record: 1945 to 2026, 82 years.
  • Eligible elements: tmax, tmin, prcp.

Daily Record Envelope and 2026

18 days at or beyond a record
Daily record high and record low at Dunkirk Chautauqua Co AP, with 2026 drawn through them The band shows the record high and record low for each calendar day at Dunkirk Chautauqua Co AP. The lines show the 2026 daily maximum and minimum. 18 days in 2026 matched or passed a record. Temperatures are in degrees Celsius. -40-2002040 JanFebMarAprMayJunJulAugSepOctNovDec
The band shows the record high and record low for each calendar day at Dunkirk Chautauqua Co AP. The lines show the 2026 daily maximum and minimum. 18 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.
Daily record high and record low at Dunkirk Chautauqua Co AP, with 2026 drawn through them
MonthHighest record highLowest record low2026 highest maximum2026 lowest minimum
Jan22.2 C (72.0 F)-26.7 C (-16.1 F)15.6 C (60.1 F)-25.6 C (-14.1 F)
Feb23.3 C (73.9 F)-33.2 C (-27.8 F)11.7 C (53.1 F)-26.7 C (-16.1 F)
Mar27.2 C (81.0 F)-23.9 C (-11.0 F)23.9 C (75.0 F)-12.8 C (9.0 F)
Apr30.0 C (86.0 F)-7.8 C (18.0 F)25.0 C (77.0 F)-7.2 C (19.0 F)
May31.7 C (89.1 F)-2.8 C (27.0 F)22.8 C (73.0 F)-0.6 C (30.9 F)
Jun34.4 C (93.9 F)3.9 C (39.0 F)31.1 C (88.0 F)11.1 C (52.0 F)
Jul37.2 C (99.0 F)7.2 C (45.0 F)31.7 C (89.1 F)8.3 C (46.9 F)
Aug35.6 C (96.1 F)6.1 C (43.0 F)30.6 C (87.1 F)11.1 C (52.0 F)
Sep35.6 C (96.1 F)0.0 C (32.0 F)31.1 C (88.0 F)2.2 C (36.0 F)
Oct30.6 C (87.1 F)-5.6 C (21.9 F)27.2 C (81.0 F)1.7 C (35.1 F)
Nov29.4 C (84.9 F)-16.1 C (3.0 F)n/an/a
Dec21.7 C (71.1 F)-24.4 C (-11.9 F)n/an/a

Which Years Hold Standing Records

1,464 standing records
Standing records at Dunkirk Chautauqua Co AP by the year they were set 1,464 records at Dunkirk Chautauqua Co AP still stand. 1950 holds the most, with 62. 0204060801945: 91946: 451947: 401948: 321949: 441950: 621951: 421952: 271953: 351997: 371998: 371999: 442000: 372001: 382002: 472003: 312004: 502005: 382006: 352007: 442008: 362009: 342010: 262011: 282012: 442013: 402014: 562015: 592016: 352017: 402018: 362019: 222020: 312021: 392022: 322023: 322024: 502025: 242026: 261945194919532000200420082012201620202024
1,464 records at Dunkirk Chautauqua Co AP still stand. 1950 holds the most, with 62.
Standing records at Dunkirk Chautauqua Co AP by the year they were set
Year setStanding records
19459
194645
194740
194832
194944
195062
195142
195227
195335
199737
199837
199944
200037
200138
200247
200331
200450
200538
200635
200744
200836
200934
201026
201128
201244
201340
201456
201559
201635
201740
201836
201922
202031
202139
202232
202332
202450
202524
202626

Wettest Day of Each Month

Jul: 70.6 mm (2.8 in)
Record daily precipitation for each month at Dunkirk Chautauqua Co AP The wettest day on record for each calendar month at Dunkirk Chautauqua Co AP. The most was 70.6 mm (2.8 in) on 24 July 2018. 020406080 Jan: 26.4 mm (1.0 in), 31 January 2002 Jan Feb: 32.3 mm (1.3 in), 9 February 2023 Feb Mar: 37.3 mm (1.5 in), 31 March 2026 Mar Apr: 34.0 mm (1.3 in), 2 April 2005 Apr May: 54.9 mm (2.2 in), 13 May 2014 May Jun: 61.0 mm (2.4 in), 17 June 1946 Jun Jul: 70.6 mm (2.8 in), 24 July 2018 Jul Aug: 69.3 mm (2.7 in), 9 August 2009 Aug Sep: 70.1 mm (2.8 in), 16 September 2005 Sep Oct: 52.1 mm (2.1 in), 12 October 1946 Oct Nov: 54.6 mm (2.1 in), 2 November 1999 Nov Dec: 34.8 mm (1.4 in), 21 December 2013 Dec
The wettest day on record for each calendar month at Dunkirk Chautauqua Co AP. The most was 70.6 mm (2.8 in) on 24 July 2018.
Record daily precipitation for each month at Dunkirk Chautauqua Co AP
MonthRecord daily precipitation (mm)Date
Jan26.4 mm (1.0 in)31 January 2002
Feb32.3 mm (1.3 in)9 February 2023
Mar37.3 mm (1.5 in)31 March 2026
Apr34.0 mm (1.3 in)2 April 2005
May54.9 mm (2.2 in)13 May 2014
Jun61.0 mm (2.4 in)17 June 1946
Jul70.6 mm (2.8 in)24 July 2018
Aug69.3 mm (2.7 in)9 August 2009
Sep70.1 mm (2.8 in)16 September 2005
Oct52.1 mm (2.1 in)12 October 1946
Nov54.6 mm (2.1 in)2 November 1999
Dec34.8 mm (1.4 in)21 December 2013

Period of Record Coverage

1945 to 2026
Days with data per year at Dunkirk Chautauqua Co AP 39 years of record at Dunkirk Chautauqua Co AP, 1945 to 2026. 3 years have data for under 90 percent of days and are left out of rankings: 1945, 1947, 2026. 1945: 61 of 365 days1946: 337 of 365 days1947: 223 of 365 days1948: 336 of 366 days1949: 364 of 365 days1950: 361 of 365 days1951: 365 of 365 days1952: 366 of 366 days1953: 364 of 365 days1997: 358 of 365 days1998: 365 of 365 days1999: 359 of 365 days2000: 359 of 366 days2001: 365 of 365 days2002: 362 of 365 days2003: 363 of 365 days2004: 357 of 366 days2005: 363 of 365 days2006: 363 of 365 days2007: 364 of 365 days2008: 365 of 366 days2009: 353 of 365 days2010: 365 of 365 days2011: 362 of 365 days2012: 365 of 366 days2013: 363 of 365 days2014: 363 of 365 days2015: 364 of 365 days2016: 365 of 366 days2017: 361 of 365 days2018: 363 of 365 days2019: 362 of 365 days2020: 362 of 366 days2021: 365 of 365 days2022: 364 of 365 days2023: 365 of 365 days2024: 364 of 366 days2025: 335 of 365 days2026: 268 of 365 days19451950200020052010201520202025
39 years of record at Dunkirk Chautauqua Co AP, 1945 to 2026. 3 years have data for under 90 percent of days and are left out of rankings: 1945, 1947, 2026.
Days with data per year at Dunkirk Chautauqua Co AP
YearDays with dataShare of yearComplete
19456117%No
194633792%Yes
194722361%No
194833692%Yes
1949364100%Yes
195036199%Yes
1951365100%Yes
1952366100%Yes
1953364100%Yes
199735898%Yes
1998365100%Yes
199935998%Yes
200035998%Yes
2001365100%Yes
200236299%Yes
200336399%Yes
200435798%Yes
200536399%Yes
200636399%Yes
2007364100%Yes
2008365100%Yes
200935397%Yes
2010365100%Yes
201136299%Yes
2012365100%Yes
201336399%Yes
201436399%Yes
2015364100%Yes
2016365100%Yes
201736199%Yes
201836399%Yes
201936299%Yes
202036299%Yes
2021365100%Yes
2022364100%Yes
2023365100%Yes
202436499%Yes
202533592%Yes
202626873%No

Latest Records

20
Latest records at Dunkirk Chautauqua Co AP
DateStationRecordValueBeat old record byOld record stoodSignificance
25 September 2026Dunkirk Chautauqua Co AP, USdaily low min (Provisional)2.2 C (36.0 F)1.1 C (2.0 F)77 years33 of 100 (Routine)
24 September 2026Dunkirk Chautauqua Co AP, USdaily low min (Tie, Provisional)3.9 C (39.0 F)tie12 years2 of 100 (Routine)
17 September 2026Dunkirk Chautauqua Co AP, USdaily high min (Tie, Provisional)18.9 C (66.0 F)tie9 years2 of 100 (Routine)
16 September 2026Dunkirk Chautauqua Co AP, USdaily high min (Provisional)18.9 C (66.0 F)0.6 C (1.1 F)21 years15 of 100 (Routine)
9 September 2026Dunkirk Chautauqua Co AP, USdaily high min (Provisional)22.2 C (72.0 F)1.1 C (2.0 F)24 years17 of 100 (Routine)
7 September 2026Dunkirk Chautauqua Co AP, USdaily low min (Tie, Provisional)8.3 C (46.9 F)tie73 years7 of 100 (Routine)
1 September 2026Dunkirk Chautauqua Co AP, USdaily high min (Provisional)23.3 C (73.9 F)1.6 C (2.9 F)72 years32 of 100 (Routine)
24 August 2026Dunkirk Chautauqua Co AP, USdaily low max (Provisional)18.9 C (66.0 F)1.1 C (2.0 F)80 years35 of 100 (Notable)
2 August 2026Dunkirk Chautauqua Co AP, USdaily rain17.3 mm (0.7 in)6.1 mm (0.24 in)25 years20 of 100 (Routine)
24 July 2026Dunkirk Chautauqua Co AP, USdaily low min9.4 C (48.9 F)2.3 C (4.1 F)28 years22 of 100 (Routine)
23 July 2026Dunkirk Chautauqua Co AP, USdaily low min8.3 C (46.9 F)2.8 C (5.0 F)19 years20 of 100 (Routine)
14 July 2026Dunkirk Chautauqua Co AP, USdaily high max (Tie)31.7 C (89.1 F)tie73 years7 of 100 (Routine)
3 July 2026Dunkirk Chautauqua Co AP, USdaily high min (Tie)23.3 C (73.9 F)tie1 year2 of 100 (Routine)
2 July 2026Dunkirk Chautauqua Co AP, USdaily high min24.4 C (75.9 F)1.1 C (2.0 F)24 years18 of 100 (Routine)
1 July 2026Dunkirk Chautauqua Co AP, USdaily high min23.3 C (73.9 F)0.5 C (0.9 F)76 years32 of 100 (Routine)
25 June 2026Dunkirk Chautauqua Co AP, USdaily rain19.8 mm (0.8 in)4.8 mm (0.19 in)76 years20 of 100 (Routine)
22 June 2026Dunkirk Chautauqua Co AP, USdaily rain17.5 mm (0.7 in)4.0 mm (0.16 in)75 years20 of 100 (Routine)
22 June 2026Dunkirk Chautauqua Co AP, USdaily low max (Tie)17.2 C (63.0 F)tie4 years2 of 100 (Routine)
11 June 2026Dunkirk Chautauqua Co AP, USdaily rain22.6 mm (0.9 in)14.5 mm (0.6 in)25 years20 of 100 (Routine)
14 May 2026Dunkirk Chautauqua Co AP, USdaily low max8.9 C (48.0 F)1.1 C (2.0 F)24 years17 of 100 (Routine)

Climate Trend

32 complete years, 1949 to 2024
Annual mean temperature at Dunkirk Chautauqua Co AP as warming stripes, 1949 to 2024 One stripe for each of 32 complete years at Dunkirk Chautauqua Co AP, 1949 to 2024. Blue stripes are years cooler than the station's own mean of 9.9 C (49.8 F); red stripes are warmer. The coolest year was 2014, at 8.1 C (46.7 F), and the warmest was 2024, at 12.4 C (54.3 F). The strongest colour marks a difference of 2.6 C (4.7 F). 1949: 10.5 C, +0.6 C from the station mean1950: 8.7 C, -1.2 C from the station mean1951: 9.2 C, -0.6 C from the station mean1952: 9.7 C, -0.2 C from the station mean1953: 10.3 C, +0.4 C from the station mean1997: 8.5 C, -1.3 C from the station mean1998: 11.0 C, +1.2 C from the station mean1999: 9.9 C, 0.0 C from the station mean2000: 9.5 C, -0.4 C from the station mean2001: 10.0 C, +0.1 C from the station mean2002: 9.9 C, 0.0 C from the station mean2003: 8.5 C, -1.3 C from the station mean2004: 9.0 C, -0.9 C from the station mean2005: 9.7 C, -0.1 C from the station mean2006: 10.7 C, +0.8 C from the station mean2007: 9.5 C, -0.4 C from the station mean2008: 9.4 C, -0.5 C from the station mean2010: 9.9 C, 0.0 C from the station mean2011: 9.7 C, -0.2 C from the station mean2012: 11.0 C, +1.1 C from the station mean2013: 9.2 C, -0.6 C from the station mean2014: 8.1 C, -1.7 C from the station mean2015: 8.7 C, -1.1 C from the station mean2016: 10.4 C, +0.5 C from the station mean2017: 10.0 C, +0.1 C from the station mean2018: 9.4 C, -0.4 C from the station mean2019: 9.3 C, -0.5 C from the station mean2020: 11.0 C, +1.1 C from the station mean2021: 11.2 C, +1.3 C from the station mean2022: 10.3 C, +0.4 C from the station mean2023: 11.4 C, +1.6 C from the station mean2024: 12.4 C, +2.5 C from the station mean19491960197019801990200020102020
One stripe for each of 32 complete years at Dunkirk Chautauqua Co AP, 1949 to 2024. Blue stripes are years cooler than the station's own mean of 9.9 C (49.8 F); red stripes are warmer. The coolest year was 2014, at 8.1 C (46.7 F), and the warmest was 2024, at 12.4 C (54.3 F). The strongest colour marks a difference of 2.6 C (4.7 F).
Annual mean temperature at Dunkirk Chautauqua Co AP as warming stripes, 1949 to 2024
YearAnnual mean temperatureDifference from the station mean
194910.5 C+0.59 C
19508.7 C-1.21 C
19519.2 C-0.65 C
19529.7 C-0.18 C
195310.3 C+0.40 C
19978.5 C-1.33 C
199811.0 C+1.16 C
19999.9 C+0.02 C
20009.5 C-0.36 C
200110.0 C+0.08 C
20029.9 C+0.03 C
20038.5 C-1.35 C
20049.0 C-0.89 C
20059.7 C-0.13 C
200610.7 C+0.82 C
20079.5 C-0.38 C
20089.4 C-0.51 C
20109.9 C-0.02 C
20119.7 C-0.19 C
201211.0 C+1.10 C
20139.2 C-0.63 C
20148.1 C-1.73 C
20158.7 C-1.14 C
201610.4 C+0.49 C
201710.0 C+0.11 C
20189.4 C-0.45 C
20199.3 C-0.53 C
202011.0 C+1.13 C
202111.2 C+1.28 C
202210.3 C+0.38 C
202311.4 C+1.57 C
202412.4 C+2.51 C

The fitted trend in annual mean temperature here over 1949 to 2024 is 0.1 C (-0.1 to 0.2) per decade. The interval includes zero, so the trend is not clearly different from zero. In Fahrenheit: 0.2 F (-0.1 to 0.4) per decade. The slope is a straight line fitted to 32 complete years; the brackets give its 95 percent interval.

Fitted temperature trends per decade at Dunkirk Chautauqua Co AP
MeasurePer decade (C)Per decade (F)PeriodComplete yearsReading
Annual mean temperature0.1 C (-0.1 to 0.2) per decade0.2 F (-0.1 to 0.4) per decade1949 to 202432Not clearly different from zero
Mean daily maximum0.13 C (-0.02 to 0.27) per decade0.23 F (-0.04 to 0.49) per decade1949 to 202432Not clearly different from zero
Mean daily minimum0.1 C (-0.1 to 0.2) per decade0.1 F (-0.2 to 0.4) per decade1949 to 202432Not clearly different from zero

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

1945 to 2026
Yearly extremes at Dunkirk Chautauqua Co AP: the record and the median year
MeasureRecordYear of the recordMedian yearYears with a value
Hottest day (TXx)37.2 C (99.0 F)194933.3 C (91.9 F)39
Coldest night (TNn)-33.2 C (-27.8 F)2015-19.9 C (-3.8 F)39
Wettest day (Rx1day)70.6 mm (2.8 in)201842.5 mm (1.7 in)38
Wettest five days (Rx5day)116.3 mm (4.6 in)200970.4 mm (2.8 in)38
Longest dry spell (CDD)30 days202516 days38

Hottest day (TXx)

Hottest day (TXx) at Dunkirk Chautauqua Co AP by year The hottest day of the year at Dunkirk Chautauqua Co AP, 1945 to 2026. The record is 37.2 C (99.0 F) in 1949, marked on the chart; the median year is 33.3 C (91.9 F). 20253035401960198020002020Record: 37.2 C (99.0 F) in 1949
The hottest day of the year at Dunkirk Chautauqua Co AP, 1945 to 2026. The record is 37.2 C (99.0 F) in 1949, marked on the chart; the median year is 33.3 C (91.9 F).
Hottest day (TXx) at Dunkirk Chautauqua Co AP by year
YearHottest day (TXx)
194521.7 C (71.1 F)
194634.4 C (93.9 F)
194733.3 C (91.9 F)
194835.0 C (95.0 F)
194937.2 C (99.0 F)
195032.2 C (90.0 F)
195133.3 C (91.9 F)
195232.8 C (91.0 F)
195335.6 C (96.1 F)
199731.1 C (88.0 F)
199832.8 C (91.0 F)
199936.1 C (97.0 F)
200033.9 C (93.0 F)
200132.8 C (91.0 F)
200235.0 C (95.0 F)
200332.2 C (90.0 F)
200432.8 C (91.0 F)
200534.4 C (93.9 F)
200633.9 C (93.0 F)
200733.9 C (93.0 F)
200832.8 C (91.0 F)
200931.7 C (89.1 F)
201032.8 C (91.0 F)
201133.3 C (91.9 F)
201235.6 C (96.1 F)
201332.2 C (90.0 F)
201432.2 C (90.0 F)
201532.2 C (90.0 F)
201633.9 C (93.0 F)
201732.2 C (90.0 F)
201832.2 C (90.0 F)
201931.1 C (88.0 F)
202034.4 C (93.9 F)
202133.3 C (91.9 F)
202233.9 C (93.0 F)
202332.8 C (91.0 F)
202434.4 C (93.9 F)
202533.9 C (93.0 F)
202631.7 C (89.1 F)

Coldest night (TNn)

Coldest night (TNn) at Dunkirk Chautauqua Co AP by year The coldest night of the year at Dunkirk Chautauqua Co AP, 1945 to 2026. The record is -33.2 C (-27.8 F) in 2015, marked on the chart; the median year is -19.9 C (-3.8 F). -40-30-20-101960198020002020Record: -33.2 C (-27.8 F) in 2015
The coldest night of the year at Dunkirk Chautauqua Co AP, 1945 to 2026. The record is -33.2 C (-27.8 F) in 2015, marked on the chart; the median year is -19.9 C (-3.8 F).
Coldest night (TNn) at Dunkirk Chautauqua Co AP by year
YearColdest night (TNn)
1945-24.4 C (-11.9 F)
1946-16.7 C (1.9 F)
1947-11.7 C (10.9 F)
1948-24.4 C (-11.9 F)
1949-13.9 C (7.0 F)
1950-18.3 C (-0.9 F)
1951-22.8 C (-9.0 F)
1952-15.0 C (5.0 F)
1953-14.4 C (6.1 F)
1997-20.6 C (-5.1 F)
1998-11.7 C (10.9 F)
1999-21.7 C (-7.1 F)
2000-17.8 C (0.0 F)
2001-13.9 C (7.0 F)
2002-16.1 C (3.0 F)
2003-26.7 C (-16.1 F)
2004-24.4 C (-11.9 F)
2005-25.6 C (-14.1 F)
2006-14.3 C (6.3 F)
2007-18.8 C (-1.8 F)
2008-15.5 C (4.1 F)
2009-18.2 C (-0.8 F)
2010-21.0 C (-5.8 F)
2011-26.6 C (-15.9 F)
2012-20.5 C (-4.9 F)
2013-19.9 C (-3.8 F)
2014-26.6 C (-15.9 F)
2015-33.2 C (-27.8 F)
2016-19.9 C (-3.8 F)
2017-15.5 C (4.1 F)
2018-23.8 C (-10.8 F)
2019-21.0 C (-5.8 F)
2020-19.9 C (-3.8 F)
2021-16.6 C (2.1 F)
2022-23.2 C (-9.8 F)
2023-13.2 C (8.2 F)
2024-17.1 C (1.2 F)
2025-20.6 C (-5.1 F)
2026-26.7 C (-16.1 F)

Wettest day (Rx1day)

Wettest day (Rx1day) at Dunkirk Chautauqua Co AP by year The wettest day of the year at Dunkirk Chautauqua Co AP, 1945 to 2026. The record is 70.6 mm (2.8 in) in 2018, marked on the chart; the median year is 42.5 mm (1.7 in). 204060801960198020002020Record: 70.6 mm (2.8 in) in 2018
The wettest day of the year at Dunkirk Chautauqua Co AP, 1945 to 2026. The record is 70.6 mm (2.8 in) in 2018, marked on the chart; the median year is 42.5 mm (1.7 in).
Wettest day (Rx1day) at Dunkirk Chautauqua Co AP by year
YearWettest day (Rx1day)
194531.2 mm (1.2 in)
194661.0 mm (2.4 in)
194756.6 mm (2.2 in)
194836.6 mm (1.4 in)
194928.2 mm (1.1 in)
195036.8 mm (1.4 in)
195130.0 mm (1.2 in)
195264.5 mm (2.5 in)
195368.8 mm (2.7 in)
1997n/a
199836.3 mm (1.4 in)
199954.6 mm (2.1 in)
200044.5 mm (1.8 in)
200137.8 mm (1.5 in)
200245.2 mm (1.8 in)
200334.0 mm (1.3 in)
200447.2 mm (1.9 in)
200570.1 mm (2.8 in)
200650.8 mm (2.0 in)
200739.6 mm (1.6 in)
200831.5 mm (1.2 in)
200969.3 mm (2.7 in)
201032.8 mm (1.3 in)
201139.6 mm (1.6 in)
201243.2 mm (1.7 in)
201368.3 mm (2.7 in)
201454.9 mm (2.2 in)
201555.6 mm (2.2 in)
201634.5 mm (1.4 in)
201738.4 mm (1.5 in)
201870.6 mm (2.8 in)
201966.5 mm (2.6 in)
202032.0 mm (1.3 in)
202169.9 mm (2.8 in)
202240.4 mm (1.6 in)
202332.8 mm (1.3 in)
202441.7 mm (1.6 in)
202550.3 mm (2.0 in)
202637.3 mm (1.5 in)

Wettest five days (Rx5day)

Wettest five days (Rx5day) at Dunkirk Chautauqua Co AP by year The wettest five days of the year at Dunkirk Chautauqua Co AP, 1945 to 2026. The record is 116.3 mm (4.6 in) in 2009, marked on the chart; the median year is 70.4 mm (2.8 in). 4060801001201960198020002020Record: 116.3 mm (4.6 in) in 2009
The wettest five days of the year at Dunkirk Chautauqua Co AP, 1945 to 2026. The record is 116.3 mm (4.6 in) in 2009, marked on the chart; the median year is 70.4 mm (2.8 in).
Wettest five days (Rx5day) at Dunkirk Chautauqua Co AP by year
YearWettest five days (Rx5day)
194558.4 mm (2.3 in)
194683.6 mm (3.3 in)
194791.9 mm (3.6 in)
194863.2 mm (2.5 in)
194951.8 mm (2.0 in)
195076.7 mm (3.0 in)
195163.2 mm (2.5 in)
195285.3 mm (3.4 in)
195397.4 mm (3.8 in)
1997n/a
199849.8 mm (2.0 in)
199961.9 mm (2.4 in)
200089.2 mm (3.5 in)
200147.3 mm (1.9 in)
200264.2 mm (2.5 in)
200361.3 mm (2.4 in)
200488.2 mm (3.5 in)
200586.7 mm (3.4 in)
200658.4 mm (2.3 in)
200755.4 mm (2.2 in)
200880.9 mm (3.2 in)
2009116.3 mm (4.6 in)
201078.1 mm (3.1 in)
201171.4 mm (2.8 in)
201274.1 mm (2.9 in)
201383.3 mm (3.3 in)
201483.1 mm (3.3 in)
201563.7 mm (2.5 in)
201654.4 mm (2.1 in)
201778.2 mm (3.1 in)
2018112.3 mm (4.4 in)
201969.3 mm (2.7 in)
202054.0 mm (2.1 in)
202193.1 mm (3.7 in)
202255.6 mm (2.2 in)
202368.4 mm (2.7 in)
202458.2 mm (2.3 in)
2025103.8 mm (4.1 in)
202668.3 mm (2.7 in)

Longest dry spell (CDD)

Longest dry spell (CDD) at Dunkirk Chautauqua Co AP by year The longest dry spell of the year at Dunkirk Chautauqua Co AP, 1945 to 2026. The record is 30 days in 2025, marked on the chart; the median year is 16 days. 01020301960198020002020Record: 30 days in 2025
The longest dry spell of the year at Dunkirk Chautauqua Co AP, 1945 to 2026. The record is 30 days in 2025, marked on the chart; the median year is 16 days.
Longest dry spell (CDD) at Dunkirk Chautauqua Co AP by year
YearLongest dry spell (CDD)
19455 days
194612 days
194721 days
194819 days
194921 days
195015 days
195113 days
195213 days
195317 days
1997n/a
199814 days
199915 days
200020 days
200114 days
200222 days
200316 days
200419 days
200517 days
200617 days
200714 days
200814 days
200913 days
201015 days
201116 days
201220 days
201313 days
201416 days
201514 days
201620 days
201720 days
201821 days
201915 days
202020 days
202120 days
202216 days
202321 days
202415 days
202530 days
202623 days

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.

Frost Dates and Growing Season

32 years with a frost

Across 32 years with a frost, the median last spring frost at Dunkirk Chautauqua Co AP falls on 1 May and the median first autumn frost on 20 October, which leaves a median of 170 days between them.

Fitted over all years, the growing season changes by -0.6 days per decade at this station.

Frost dates and growing season at Dunkirk Chautauqua Co AP
MeasureMedian, all yearsEarliest periodRecent period (1951 to 2024)Recent against earliestFitted trend
Last spring frost1 Mayn/a1 Mayn/a+1.1 days per decade
First autumn frost20 Octobern/a19 Octobern/a+0.5 days per decade
Growing days170 daysn/a169 daysn/a-0.6 days per decade

A frost day is a day with a daily minimum at or below 0 C (32 F). The last spring frost and the first autumn frost are the last and first such days of the cold season, and growing days are the days between them. A negative trend for the last spring frost means it comes earlier.

Rainfall Return Levels

33 years, 1946 to 2025

A day with at least 46.4 mm (1.8 in) of rain is expected about once in 2 years. A day with at least 90.1 mm (3.5 in) of rain is expected about once in 100 years.

Rainfall return levels at Dunkirk Chautauqua Co AP: the daily rain expected about once in a given number of years
Expected about once inA day with at leastNote
2 years46.4 mm (1.8 in)
5 years59.5 mm (2.3 in)
10 years67.5 mm (2.7 in)
25 years77.1 mm (3.0 in)
50 years83.8 mm (3.3 in)Longer than the 33 years of record
100 years90.1 mm (3.5 in)Longer than the 33 years of record

The levels come from a generalised extreme value (GEV) distribution fitted by L-moments to the wettest-day total of each year, 33 years of values from 1946 to 2025.

A return level is an estimate. It is least reliable for the long periods, 50 and 100 years, and for any period longer than the record behind the fit, where the fit has to reach past the largest day actually observed. It is not a forecast.

The largest wettest-day totals in the fit: 70.6 mm (2.8 in) in 2018; 70.1 mm (2.8 in) in 2005; 69.9 mm (2.8 in) in 2021.

Download the Data

  • Data for Dunkirk Chautauqua Co AP standing records by year: CSV or JSON. Field meanings are on the data page.
  • Data for Dunkirk Chautauqua Co AP 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 (2026-10-15).