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Lancaster Fairfield Co AP Weather Records (USW00053844)

Record envelope, standing records and threshold days for Lancaster Fairfield Co AP (USW00053844), Ohio, United States, with 31 years of record.

Key Facts for Lancaster Fairfield Co AP

  • Lancaster Fairfield Co AP (USW00053844) is a weather station in Ohio, United States at 39.76 latitude and -82.66 longitude, 259 m (849 ft) above sea level.
  • The station reports from 1996 to 2026, 31 years of record.
  • 1,464 records set at Lancaster Fairfield Co AP still stand.
  • Records are tracked for tmax, tmin: an element needs 30 years of data to be eligible.
  • Lancaster Fairfield Co AP set a daily record low maximum temperature of 16.7 C (62.1 F) on 22 September 2026 (provisional).

Provisional Records

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

About the Station

  • Location: Ohio, United States, 39.76 latitude, -82.66 longitude.
  • Elevation: 259 m (849 ft).
  • Period of record: 1996 to 2026, 31 years.
  • Eligible elements: tmax, tmin.

Daily Record Envelope and 2026

30 days at or beyond a record
Daily record high and record low at Lancaster Fairfield Co AP, with 2026 drawn through them The band shows the record high and record low for each calendar day at Lancaster Fairfield Co AP. The lines show the 2026 daily maximum and minimum. 30 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 Lancaster Fairfield Co AP. The lines show the 2026 daily maximum and minimum. 30 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.
Daily record high and record low at Lancaster Fairfield Co AP, with 2026 drawn through them
MonthHighest record highLowest record low2026 highest maximum2026 lowest minimum
Jan22.2 C (72.0 F)-29.4 C (-20.9 F)20.0 C (68.0 F)-28.3 C (-18.9 F)
Feb26.1 C (79.0 F)-28.8 C (-19.8 F)17.8 C (64.0 F)-26.1 C (-15.0 F)
Mar28.9 C (84.0 F)-20.5 C (-4.9 F)28.9 C (84.0 F)-7.8 C (18.0 F)
Apr30.6 C (87.1 F)-9.4 C (15.1 F)28.9 C (84.0 F)-3.9 C (25.0 F)
May33.9 C (93.0 F)-3.3 C (26.1 F)32.2 C (90.0 F)-1.7 C (28.9 F)
Jun37.2 C (99.0 F)2.2 C (36.0 F)33.9 C (93.0 F)6.1 C (43.0 F)
Jul37.8 C (100.0 F)6.1 C (43.0 F)35.0 C (95.0 F)10.0 C (50.0 F)
Aug37.2 C (99.0 F)5.0 C (41.0 F)32.8 C (91.0 F)10.6 C (51.1 F)
Sep35.6 C (96.1 F)-1.1 C (30.0 F)35.0 C (95.0 F)5.6 C (42.1 F)
Oct33.9 C (93.0 F)-7.2 C (19.0 F)30.0 C (86.0 F)2.2 C (36.0 F)
Nov26.7 C (80.1 F)-14.9 C (5.2 F)n/an/a
Dec22.8 C (73.0 F)-22.7 C (-8.9 F)n/an/a

Which Years Hold Standing Records

1,464 standing records
Standing records at Lancaster Fairfield Co AP by the year they were set 1,464 records at Lancaster Fairfield Co AP still stand. 1999 holds the most, with 75. 0204060801996: 291997: 651998: 361999: 752000: 552001: 532002: 532003: 422004: 392005: 482006: 482007: 752008: 472009: 442010: 422011: 392012: 602013: 432014: 452015: 582016: 512017: 512018: 562019: 302020: 372021: 442022: 262023: 322024: 612025: 372026: 4319962000200420082012201620202024
1,464 records at Lancaster Fairfield Co AP still stand. 1999 holds the most, with 75.
Standing records at Lancaster Fairfield Co AP by the year they were set
Year setStanding records
199629
199765
199836
199975
200055
200153
200253
200342
200439
200548
200648
200775
200847
200944
201042
201139
201260
201343
201445
201558
201651
201751
201856
201930
202037
202144
202226
202332
202461
202537
202643

Wettest Day of Each Month

Jun: 78.0 mm (3.1 in)
Record daily precipitation for each month at Lancaster Fairfield Co AP The wettest day on record for each calendar month at Lancaster Fairfield Co AP. The most was 78.0 mm (3.1 in) on 23 June 2016. 020406080 Jan: 65.5 mm (2.6 in), 3 January 2000 Jan Feb: 43.9 mm (1.7 in), 17 February 2022 Feb Mar: 58.4 mm (2.3 in), 1 March 2017 Mar Apr: 61.0 mm (2.4 in), 3 April 2018 Apr May: 55.6 mm (2.2 in), 18 May 2004 May Jun: 78.0 mm (3.1 in), 23 June 2016 Jun Jul: 74.9 mm (2.9 in), 6 July 2022 Jul Aug: 59.4 mm (2.3 in), 30 August 2005 Aug Sep: 60.2 mm (2.4 in), 8 September 2004 Sep Oct: 63.0 mm (2.5 in), 23 October 2007 Oct Nov: 74.2 mm (2.9 in), 5 November 2017 Nov Dec: 68.3 mm (2.7 in), 16 December 2000 Dec
The wettest day on record for each calendar month at Lancaster Fairfield Co AP. The most was 78.0 mm (3.1 in) on 23 June 2016.
Record daily precipitation for each month at Lancaster Fairfield Co AP
MonthRecord daily precipitation (mm)Date
Jan65.5 mm (2.6 in)3 January 2000
Feb43.9 mm (1.7 in)17 February 2022
Mar58.4 mm (2.3 in)1 March 2017
Apr61.0 mm (2.4 in)3 April 2018
May55.6 mm (2.2 in)18 May 2004
Jun78.0 mm (3.1 in)23 June 2016
Jul74.9 mm (2.9 in)6 July 2022
Aug59.4 mm (2.3 in)30 August 2005
Sep60.2 mm (2.4 in)8 September 2004
Oct63.0 mm (2.5 in)23 October 2007
Nov74.2 mm (2.9 in)5 November 2017
Dec68.3 mm (2.7 in)16 December 2000

Period of Record Coverage

1996 to 2026
Days with data per year at Lancaster Fairfield Co AP 31 years of record at Lancaster Fairfield Co AP, 1996 to 2026. 3 years have data for under 90 percent of days and are left out of rankings: 1996, 2009, 2026. 1996: 184 of 366 days1997: 360 of 365 days1998: 363 of 365 days1999: 362 of 365 days2000: 366 of 366 days2001: 365 of 365 days2002: 364 of 365 days2003: 354 of 365 days2004: 357 of 366 days2005: 365 of 365 days2006: 365 of 365 days2007: 365 of 365 days2008: 362 of 366 days2009: 325 of 365 days2010: 364 of 365 days2011: 363 of 365 days2012: 364 of 366 days2013: 365 of 365 days2014: 365 of 365 days2015: 364 of 365 days2016: 365 of 366 days2017: 365 of 365 days2018: 365 of 365 days2019: 364 of 365 days2020: 366 of 366 days2021: 365 of 365 days2022: 365 of 365 days2023: 365 of 365 days2024: 366 of 366 days2025: 365 of 365 days2026: 284 of 365 days200020052010201520202025
31 years of record at Lancaster Fairfield Co AP, 1996 to 2026. 3 years have data for under 90 percent of days and are left out of rankings: 1996, 2009, 2026.
Days with data per year at Lancaster Fairfield Co AP
YearDays with dataShare of yearComplete
199618450%No
199736099%Yes
199836399%Yes
199936299%Yes
2000366100%Yes
2001365100%Yes
2002364100%Yes
200335497%Yes
200435798%Yes
2005365100%Yes
2006365100%Yes
2007365100%Yes
200836299%Yes
200932589%No
2010364100%Yes
201136399%Yes
201236499%Yes
2013365100%Yes
2014365100%Yes
2015364100%Yes
2016365100%Yes
2017365100%Yes
2018365100%Yes
2019364100%Yes
2020366100%Yes
2021365100%Yes
2022365100%Yes
2023365100%Yes
2024366100%Yes
2025365100%Yes
202628478%No

Latest Records

20
Latest records at Lancaster Fairfield Co AP
DateStationRecordValueBeat old record byOld record stoodSignificance
22 September 2026Lancaster Fairfield Co AP, USdaily low max (Provisional)16.7 C (62.1 F)1.6 C (2.9 F)12 years9 of 100 (Routine)
20 September 2026Lancaster Fairfield Co AP, USdaily high min (Provisional)20.0 C (68.0 F)1.1 C (2.0 F)4 years6 of 100 (Routine)
17 September 2026Lancaster Fairfield Co AP, USdaily high min (Tie, Provisional)20.6 C (69.1 F)tie9 years1 of 100 (Routine)
16 September 2026Lancaster Fairfield Co AP, USdaily high min (Provisional)19.4 C (66.9 F)0.5 C (0.9 F)8 years6 of 100 (Routine)
16 September 2026Lancaster Fairfield Co AP, USdaily high max (Provisional)31.7 C (89.1 F)0.6 C (1.1 F)7 years6 of 100 (Routine)
3 September 2026Lancaster Fairfield Co AP, USdaily high min (Provisional)22.2 C (72.0 F)1.1 C (2.0 F)13 years9 of 100 (Routine)
3 September 2026Lancaster Fairfield Co AP, USdaily high max (Tie, Provisional)35.0 C (95.0 F)tie15 years1 of 100 (Routine)
2 September 2026Lancaster Fairfield Co AP, USdaily high max (Tie, Provisional)34.4 C (93.9 F)tie16 years1 of 100 (Routine)
1 September 2026Lancaster Fairfield Co AP, USdaily high max (Tie, Provisional)33.3 C (91.9 F)tie16 years1 of 100 (Routine)
23 July 2026Lancaster Fairfield Co AP, USdaily low max (Tie)23.9 C (75.0 F)tie23 years2 of 100 (Routine)
9 July 2026Lancaster Fairfield Co AP, USdaily high min22.2 C (72.0 F)0.5 C (0.9 F)12 years7 of 100 (Routine)
3 July 2026Lancaster Fairfield Co AP, USdaily high max (Tie)34.4 C (93.9 F)tie13 years1 of 100 (Routine)
3 July 2026Lancaster Fairfield Co AP, USdaily high min (Tie)21.7 C (71.1 F)tie1 year0 of 100 (Routine)
2 July 2026Lancaster Fairfield Co AP, USdaily high max34.4 C (93.9 F)0.5 C (0.9 F)24 years11 of 100 (Routine)
1 July 2026Lancaster Fairfield Co AP, USdaily high max35.0 C (95.0 F)0.6 C (1.1 F)13 years9 of 100 (Routine)
30 June 2026Lancaster Fairfield Co AP, USdaily high max33.9 C (93.0 F)1.1 C (2.0 F)7 years7 of 100 (Routine)
15 June 2026Lancaster Fairfield Co AP, USdaily low max21.7 C (71.1 F)1.1 C (2.0 F)15 years9 of 100 (Routine)
11 June 2026Lancaster Fairfield Co AP, USdaily high min23.9 C (75.0 F)2.8 C (5.0 F)25 years16 of 100 (Routine)
10 June 2026Lancaster Fairfield Co AP, USdaily high min21.7 C (71.1 F)0.6 C (1.1 F)21 years10 of 100 (Routine)
6 June 2026Lancaster Fairfield Co AP, USdaily high min19.4 C (66.9 F)0.5 C (0.9 F)17 years9 of 100 (Routine)

Climate Trend

28 complete years, 1997 to 2025
Annual mean temperature at Lancaster Fairfield Co AP as warming stripes, 1997 to 2025 One stripe for each of 28 complete years at Lancaster Fairfield Co AP, 1997 to 2025. Blue stripes are years cooler than the station's own mean of 11.5 C (52.7 F); red stripes are warmer. The coolest year was 1997, at 10.0 C (50.0 F), and the warmest was 2024, at 13.1 C (55.5 F). The strongest colour marks a difference of 1.6 C (2.9 F). 1997: 10.0 C, -1.5 C from the station mean1998: 12.2 C, +0.7 C from the station mean1999: 11.1 C, -0.3 C from the station mean2000: 10.3 C, -1.2 C from the station mean2001: 11.3 C, -0.2 C from the station mean2002: 11.7 C, +0.2 C from the station mean2003: 10.4 C, -1.1 C from the station mean2004: 10.8 C, -0.7 C from the station mean2005: 10.9 C, -0.6 C from the station mean2006: 12.0 C, +0.5 C from the station mean2007: 11.9 C, +0.5 C from the station mean2008: 11.2 C, -0.3 C from the station mean2010: 10.8 C, -0.7 C from the station mean2011: 11.7 C, +0.2 C from the station mean2012: 12.3 C, +0.8 C from the station mean2013: 10.8 C, -0.7 C from the station mean2014: 10.2 C, -1.3 C from the station mean2015: 11.4 C, -0.1 C from the station mean2016: 12.4 C, +0.9 C from the station mean2017: 12.4 C, +0.9 C from the station mean2018: 11.7 C, +0.2 C from the station mean2019: 11.7 C, +0.2 C from the station mean2020: 12.0 C, +0.5 C from the station mean2021: 12.2 C, +0.7 C from the station mean2022: 11.3 C, -0.2 C from the station mean2023: 12.4 C, +0.9 C from the station mean2024: 13.1 C, +1.6 C from the station mean2025: 11.4 C, -0.1 C from the station mean1997200020052010201520202025
One stripe for each of 28 complete years at Lancaster Fairfield Co AP, 1997 to 2025. Blue stripes are years cooler than the station's own mean of 11.5 C (52.7 F); red stripes are warmer. The coolest year was 1997, at 10.0 C (50.0 F), and the warmest was 2024, at 13.1 C (55.5 F). The strongest colour marks a difference of 1.6 C (2.9 F).
Annual mean temperature at Lancaster Fairfield Co AP as warming stripes, 1997 to 2025
YearAnnual mean temperatureDifference from the station mean
199710.0 C-1.48 C
199812.2 C+0.75 C
199911.1 C-0.34 C
200010.3 C-1.20 C
200111.3 C-0.18 C
200211.7 C+0.20 C
200310.4 C-1.09 C
200410.8 C-0.69 C
200510.9 C-0.61 C
200612.0 C+0.47 C
200711.9 C+0.46 C
200811.2 C-0.28 C
201010.8 C-0.66 C
201111.7 C+0.22 C
201212.3 C+0.83 C
201310.8 C-0.67 C
201410.2 C-1.27 C
201511.4 C-0.07 C
201612.4 C+0.94 C
201712.4 C+0.92 C
201811.7 C+0.22 C
201911.7 C+0.24 C
202012.0 C+0.51 C
202112.2 C+0.67 C
202211.3 C-0.19 C
202312.4 C+0.94 C
202413.1 C+1.59 C
202511.4 C-0.10 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

1996 to 2026
Yearly extremes at Lancaster Fairfield Co AP: the record and the median year
MeasureRecordYear of the recordMedian yearYears with a value
Hottest day (TXx)37.8 C (100.0 F)201234.4 C (93.9 F)31
Coldest night (TNn)-29.4 C (-20.9 F)2003-22.1 C (-7.8 F)31
Wettest day (Rx1day)78.0 mm (3.1 in)201656.9 mm (2.2 in)29
Wettest five days (Rx5day)123.9 mm (4.9 in)202580.2 mm (3.2 in)29
Longest dry spell (CDD)37 days200916 days29

Hottest day (TXx)

Hottest day (TXx) at Lancaster Fairfield Co AP by year The hottest day of the year at Lancaster Fairfield Co AP, 1996 to 2026. The record is 37.8 C (100.0 F) in 2012, marked on the chart; the median year is 34.4 C (93.9 F). 32343638200020052010201520202025Record: 37.8 C (100.0 F) in 2012
The hottest day of the year at Lancaster Fairfield Co AP, 1996 to 2026. The record is 37.8 C (100.0 F) in 2012, marked on the chart; the median year is 34.4 C (93.9 F).
Hottest day (TXx) at Lancaster Fairfield Co AP by year
YearHottest day (TXx)
199632.8 C (91.0 F)
199733.3 C (91.9 F)
199835.0 C (95.0 F)
199937.2 C (99.0 F)
200032.2 C (90.0 F)
200133.9 C (93.0 F)
200235.6 C (96.1 F)
200332.8 C (91.0 F)
200432.2 C (90.0 F)
200536.7 C (98.1 F)
200635.0 C (95.0 F)
200736.1 C (97.0 F)
200834.4 C (93.9 F)
200933.3 C (91.9 F)
201034.4 C (93.9 F)
201135.0 C (95.0 F)
201237.8 C (100.0 F)
201333.3 C (91.9 F)
201432.8 C (91.0 F)
201532.8 C (91.0 F)
201634.4 C (93.9 F)
201733.9 C (93.0 F)
201833.9 C (93.0 F)
201934.4 C (93.9 F)
202034.4 C (93.9 F)
202135.6 C (96.1 F)
202235.6 C (96.1 F)
202333.3 C (91.9 F)
202437.2 C (99.0 F)
202535.0 C (95.0 F)
202635.0 C (95.0 F)

Coldest night (TNn)

Coldest night (TNn) at Lancaster Fairfield Co AP by year The coldest night of the year at Lancaster Fairfield Co AP, 1996 to 2026. The record is -29.4 C (-20.9 F) in 2003, marked on the chart; the median year is -22.1 C (-7.8 F). -30-25-20-15-10200020052010201520202025Record: -29.4 C (-20.9 F) in 2003
The coldest night of the year at Lancaster Fairfield Co AP, 1996 to 2026. The record is -29.4 C (-20.9 F) in 2003, marked on the chart; the median year is -22.1 C (-7.8 F).
Coldest night (TNn) at Lancaster Fairfield Co AP by year
YearColdest night (TNn)
1996-12.8 C (9.0 F)
1997-18.9 C (-2.0 F)
1998-13.3 C (8.1 F)
1999-21.1 C (-6.0 F)
2000-26.7 C (-16.1 F)
2001-18.3 C (-0.9 F)
2002-15.0 C (5.0 F)
2003-29.4 C (-20.9 F)
2004-23.9 C (-11.0 F)
2005-25.0 C (-13.0 F)
2006-15.5 C (4.1 F)
2007-23.8 C (-10.8 F)
2008-21.6 C (-6.9 F)
2009-28.8 C (-19.8 F)
2010-22.1 C (-7.8 F)
2011-27.1 C (-16.8 F)
2012-18.2 C (-0.8 F)
2013-18.2 C (-0.8 F)
2014-28.8 C (-19.8 F)
2015-28.8 C (-19.8 F)
2016-19.9 C (-3.8 F)
2017-22.7 C (-8.9 F)
2018-26.0 C (-14.8 F)
2019-22.7 C (-8.9 F)
2020-14.9 C (5.2 F)
2021-21.0 C (-5.8 F)
2022-22.1 C (-7.8 F)
2023-11.6 C (11.1 F)
2024-16.0 C (3.2 F)
2025-22.7 C (-8.9 F)
2026-28.3 C (-18.9 F)

Wettest day (Rx1day)

Wettest day (Rx1day) at Lancaster Fairfield Co AP by year The wettest day of the year at Lancaster Fairfield Co AP, 1996 to 2026. The record is 78.0 mm (3.1 in) in 2016, marked on the chart; the median year is 56.9 mm (2.2 in). 20406080200020052010201520202025Record: 78.0 mm (3.1 in) in 2016
The wettest day of the year at Lancaster Fairfield Co AP, 1996 to 2026. The record is 78.0 mm (3.1 in) in 2016, marked on the chart; the median year is 56.9 mm (2.2 in).
Wettest day (Rx1day) at Lancaster Fairfield Co AP by year
YearWettest day (Rx1day)
1996n/a
1997n/a
199859.7 mm (2.4 in)
199939.1 mm (1.5 in)
200068.3 mm (2.7 in)
200132.0 mm (1.3 in)
200234.0 mm (1.3 in)
200344.2 mm (1.7 in)
200460.2 mm (2.4 in)
200559.4 mm (2.3 in)
200650.8 mm (2.0 in)
200763.0 mm (2.5 in)
200860.5 mm (2.4 in)
200963.2 mm (2.5 in)
201048.5 mm (1.9 in)
201158.9 mm (2.3 in)
201231.2 mm (1.2 in)
201339.6 mm (1.6 in)
201427.9 mm (1.1 in)
201556.9 mm (2.2 in)
201678.0 mm (3.1 in)
201774.2 mm (2.9 in)
201861.0 mm (2.4 in)
201942.7 mm (1.7 in)
202037.3 mm (1.5 in)
202131.5 mm (1.2 in)
202274.9 mm (2.9 in)
202333.0 mm (1.3 in)
202456.9 mm (2.2 in)
202558.4 mm (2.3 in)
202675.2 mm (3.0 in)

Wettest five days (Rx5day)

Wettest five days (Rx5day) at Lancaster Fairfield Co AP by year The wettest five days of the year at Lancaster Fairfield Co AP, 1996 to 2026. The record is 123.9 mm (4.9 in) in 2025, marked on the chart; the median year is 80.2 mm (3.2 in). 406080100120140200020052010201520202025Record: 123.9 mm (4.9 in) in 2025
The wettest five days of the year at Lancaster Fairfield Co AP, 1996 to 2026. The record is 123.9 mm (4.9 in) in 2025, marked on the chart; the median year is 80.2 mm (3.2 in).
Wettest five days (Rx5day) at Lancaster Fairfield Co AP by year
YearWettest five days (Rx5day)
1996n/a
1997n/a
199885.2 mm (3.4 in)
199948.5 mm (1.9 in)
200081.1 mm (3.2 in)
200184.1 mm (3.3 in)
200277.4 mm (3.0 in)
200374.0 mm (2.9 in)
2004110.3 mm (4.3 in)
2005116.3 mm (4.6 in)
200661.6 mm (2.4 in)
200776.5 mm (3.0 in)
2008104.5 mm (4.1 in)
200979.1 mm (3.1 in)
201072.4 mm (2.9 in)
201180.2 mm (3.2 in)
201272.8 mm (2.9 in)
201361.4 mm (2.4 in)
201463.1 mm (2.5 in)
201581.9 mm (3.2 in)
201683.8 mm (3.3 in)
2017123.3 mm (4.9 in)
201894.8 mm (3.7 in)
201994.4 mm (3.7 in)
202074.6 mm (2.9 in)
202158.1 mm (2.3 in)
202297.0 mm (3.8 in)
202346.2 mm (1.8 in)
202472.4 mm (2.9 in)
2025123.9 mm (4.9 in)
2026118.4 mm (4.7 in)

Longest dry spell (CDD)

Longest dry spell (CDD) at Lancaster Fairfield Co AP by year The longest dry spell of the year at Lancaster Fairfield Co AP, 1996 to 2026. The record is 37 days in 2009, marked on the chart; the median year is 16 days. 10203040200020052010201520202025Record: 37 days in 2009
The longest dry spell of the year at Lancaster Fairfield Co AP, 1996 to 2026. The record is 37 days in 2009, marked on the chart; the median year is 16 days.
Longest dry spell (CDD) at Lancaster Fairfield Co AP by year
YearLongest dry spell (CDD)
1996n/a
1997n/a
199812 days
199922 days
200015 days
200118 days
200215 days
200313 days
200414 days
200515 days
200616 days
200717 days
200813 days
200937 days
201018 days
201117 days
201219 days
201316 days
201418 days
201511 days
201616 days
201714 days
201813 days
201926 days
202015 days
202116 days
202216 days
202321 days
202419 days
202521 days
202612 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

28 years with a frost

Across 28 years with a frost, the median last spring frost at Lancaster Fairfield Co AP falls on 27 April and the median first autumn frost on 16 October, which leaves a median of 171 days between them.

Fitted over all years, the growing season changes by +8.1 days per decade at this station.

Frost dates and growing season at Lancaster Fairfield Co AP
MeasureMedian, all yearsEarliest periodRecent period (1997 to 2025)Recent against earliestFitted trend
Last spring frost27 Apriln/a27 Apriln/a-2.6 days per decade
First autumn frost16 Octobern/a16 Octobern/a+5.5 days per decade
Growing days171 daysn/a171 daysn/a+8.1 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.

Download the Data

  • Data for Lancaster Fairfield Co AP standing records by year: CSV or JSON. Field meanings are on the data page.
  • Data for Lancaster Fairfield 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).