Lancaster Weather Records (USC00334403)

Record envelope, standing records and threshold days for Lancaster (USC00334403), Ohio, United States, with 53 years of record.

Key Facts for Lancaster

Lancaster (USC00334403) is a weather station in Ohio, United States at 39.72 latitude and -82.61 longitude, 252 m (827 ft) above sea level.
The station reports from 1974 to 2026, 53 years of record.
1,464 records set at Lancaster still stand.
Records are tracked for prcp: an element needs 30 years of data to be eligible.
Lancaster set a daily record precipitation of 14.5 mm (0.6 in) on 18 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, 39.72 latitude, -82.61 longitude.
Elevation: 252 m (827 ft).
Period of record: 1974 to 2026, 53 years.
Eligible elements: prcp.

Daily Record Envelope and 2026

25 days at or beyond a record

The band shows the record high and record low for each calendar day at Lancaster. The lines show the 2026 daily maximum and minimum. 25 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.

Daily record high and record low at Lancaster, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	22.2 C (72.0 F)	-24.4 C (-11.9 F)	20.0 C (68.0 F)	-21.7 C (-7.1 F)
Feb	26.1 C (79.0 F)	-23.3 C (-9.9 F)	18.3 C (64.9 F)	-23.3 C (-9.9 F)
Mar	30.0 C (86.0 F)	-16.7 C (1.9 F)	30.0 C (86.0 F)	-7.2 C (19.0 F)
Apr	31.1 C (88.0 F)	-8.9 C (16.0 F)	29.4 C (84.9 F)	-1.7 C (28.9 F)
May	33.3 C (91.9 F)	-2.2 C (28.0 F)	31.7 C (89.1 F)	0.0 C (32.0 F)
Jun	37.2 C (99.0 F)	4.4 C (39.9 F)	32.8 C (91.0 F)	6.1 C (43.0 F)
Jul	37.8 C (100.0 F)	5.0 C (41.0 F)	35.0 C (95.0 F)	11.1 C (52.0 F)
Aug	37.2 C (99.0 F)	4.4 C (39.9 F)	31.7 C (89.1 F)	12.2 C (54.0 F)
Sep	36.1 C (97.0 F)	-0.6 C (30.9 F)	34.4 C (93.9 F)	7.2 C (45.0 F)
Oct	32.8 C (91.0 F)	-7.8 C (18.0 F)	23.3 C (73.9 F)	3.9 C (39.0 F)
Nov	27.2 C (81.0 F)	-11.7 C (10.9 F)	n/a	n/a
Dec	23.3 C (73.9 F)	-21.7 C (-7.1 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Lancaster still stand. 2007 holds the most, with 72.

Standing records at Lancaster by the year they were set
Year set	Standing records
1997	51
1998	60
1999	65
2000	51
2001	44
2002	56
2003	43
2004	37
2005	59
2006	53
2007	72
2008	42
2009	44
2010	46
2011	30
2012	69
2013	47
2014	52
2015	63
2016	45
2017	53
2018	70
2019	40
2020	40
2021	29
2022	31
2023	43
2024	62
2025	37
2026	30

Wettest Day of Each Month

Jan: 115.6 mm (4.6 in)

The wettest day on record for each calendar month at Lancaster. The most was 115.6 mm (4.6 in) on 5 January 2004.

Record daily precipitation for each month at Lancaster
Month	Record daily precipitation (mm)	Date
Jan	115.6 mm (4.6 in)	5 January 2004
Feb	47.8 mm (1.9 in)	23 February 1975
Mar	47.8 mm (1.9 in)	18 March 2008
Apr	52.6 mm (2.1 in)	3 April 2018
May	61.5 mm (2.4 in)	19 May 2004
Jun	61.2 mm (2.4 in)	3 June 2008
Jul	76.7 mm (3.0 in)	6 July 2022
Aug	72.9 mm (2.9 in)	31 August 2005
Sep	75.7 mm (3.0 in)	9 September 2004
Oct	64.8 mm (2.6 in)	8 October 1998
Nov	57.2 mm (2.3 in)	5 November 2017
Dec	49.5 mm (1.9 in)	17 December 2016

Period of Record Coverage

1997 to 2026

30 years of record at Lancaster, 1997 to 2026. 6 years have data for under 90 percent of days and are left out of rankings: 1997, 2004, 2007, 2008, 2011, 2026.

Days with data per year at Lancaster
Year	Days with data	Share of year	Complete
1997	323	88%	No
1998	361	99%	Yes
1999	363	99%	Yes
2000	347	95%	Yes
2001	340	93%	Yes
2002	361	99%	Yes
2003	362	99%	Yes
2004	323	88%	No
2005	356	98%	Yes
2006	339	93%	Yes
2007	311	85%	No
2008	305	83%	No
2009	342	94%	Yes
2010	348	95%	Yes
2011	327	90%	No
2012	365	100%	Yes
2013	365	100%	Yes
2014	363	99%	Yes
2015	363	99%	Yes
2016	365	100%	Yes
2017	361	99%	Yes
2018	360	99%	Yes
2019	359	98%	Yes
2020	366	100%	Yes
2021	365	100%	Yes
2022	365	100%	Yes
2023	358	98%	Yes
2024	357	98%	Yes
2025	358	98%	Yes
2026	261	72%	No

Latest Records

Latest records at Lancaster
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 September 2026	Lancaster, US	daily rain (Provisional)	14.5 mm (0.6 in)	5.4 mm (0.21 in)	13 years	13 of 100 (Routine)
12 August 2026	Lancaster, US	daily rain	40.4 mm (1.6 in)	26.9 mm (1.1 in)	12 years	30 of 100 (Routine)
11 August 2026	Lancaster, US	daily rain	50.8 mm (2.0 in)	30.0 mm (1.2 in)	51 years	45 of 100 (Notable)
2 August 2026	Lancaster, US	daily rain	11.4 mm (0.4 in)	1.2 mm (0.05 in)	52 years	20 of 100 (Routine)
25 May 2026	Lancaster, US	daily rain	7.4 mm (0.29 in)	2.1 mm (0.08 in)	51 years	20 of 100 (Routine)
23 May 2026	Lancaster, US	daily rain	36.8 mm (1.4 in)	6.8 mm (0.27 in)	27 years	20 of 100 (Routine)
28 April 2026	Lancaster, US	daily rain	29.2 mm (1.1 in)	4.6 mm (0.18 in)	12 years	12 of 100 (Routine)
23 April 2026	Lancaster, US	daily rain	44.5 mm (1.8 in)	17.8 mm (0.7 in)	20 years	28 of 100 (Routine)
27 March 2026	Lancaster, US	daily rain	36.1 mm (1.4 in)	22.6 mm (0.9 in)	17 years	36 of 100 (Notable)
12 March 2026	Lancaster, US	daily rain	32.5 mm (1.3 in)	16.0 mm (0.6 in)	25 years	30 of 100 (Routine)
5 March 2026	Lancaster, US	daily rain	44.5 mm (1.8 in)	23.2 mm (0.9 in)	12 years	35 of 100 (Notable)
25 January 2026	Lancaster, US	daily rain	7.6 mm (0.30 in)	0.5 mm (0.02 in)	8 years	7 of 100 (Routine)
15 January 2026	Lancaster, US	daily rain	11.4 mm (0.4 in)	5.0 mm (0.20 in)	27 years	17 of 100 (Routine)

Climate Trend

21 complete years, 1998 to 2025

One stripe for each of 21 complete years at Lancaster, 1998 to 2025. Blue stripes are years cooler than the station's own mean of 12.1 C (53.8 F); red stripes are warmer. The coolest year was 2014, at 10.7 C (51.3 F), and the warmest was 2012, at 13.2 C (55.7 F). The strongest colour marks a difference of 1.5 C (2.7 F).

Annual mean temperature at Lancaster as warming stripes, 1998 to 2025
Year	Annual mean temperature	Difference from the station mean
1998	12.9 C	+0.78 C
1999	12.2 C	+0.05 C
2002	12.3 C	+0.21 C
2003	11.0 C	-1.08 C
2005	11.4 C	-0.67 C
2006	11.9 C	-0.18 C
2009	11.4 C	-0.71 C
2010	11.7 C	-0.46 C
2012	13.2 C	+1.07 C
2013	11.6 C	-0.55 C
2014	10.7 C	-1.41 C
2015	12.1 C	-0.03 C
2016	12.9 C	+0.80 C
2017	12.7 C	+0.59 C
2018	12.3 C	+0.21 C
2019	12.4 C	+0.26 C
2020	12.4 C	+0.32 C
2021	12.7 C	+0.59 C
2022	11.7 C	-0.44 C
2024	12.9 C	+0.83 C
2025	12.0 C	-0.09 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

1974 to 2026

Yearly extremes at Lancaster: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	37.8 C (100.0 F)	2012	35.0 C (95.0 F)	30
Coldest night (TNn)	-24.4 C (-11.9 F)	2014	-18.3 C (-0.9 F)	30
Wettest day (Rx1day)	115.6 mm (4.6 in)	2004	52.1 mm (2.1 in)	33
Wettest five days (Rx5day)	152.9 mm (6.0 in)	2004	85.4 mm (3.4 in)	33
Longest dry spell (CDD)	30 days	2015	17 days	33

Hottest day (TXx)

The hottest day of the year at Lancaster, 1974 to 2026. The record is 37.8 C (100.0 F) in 2012, marked on the chart; the median year is 35.0 C (95.0 F).

Hottest day (TXx) at Lancaster by year
Year	Hottest day (TXx)
1974	n/a
1975	n/a
1976	n/a
1997	34.4 C (93.9 F)
1998	36.1 C (97.0 F)
1999	37.2 C (99.0 F)
2000	35.6 C (96.1 F)
2001	33.9 C (93.0 F)
2002	35.6 C (96.1 F)
2003	33.3 C (91.9 F)
2004	32.8 C (91.0 F)
2005	36.7 C (98.1 F)
2006	35.0 C (95.0 F)
2007	36.1 C (97.0 F)
2008	33.9 C (93.0 F)
2009	33.3 C (91.9 F)
2010	34.4 C (93.9 F)
2011	35.0 C (95.0 F)
2012	37.8 C (100.0 F)
2013	33.9 C (93.0 F)
2014	33.3 C (91.9 F)
2015	33.3 C (91.9 F)
2016	34.4 C (93.9 F)
2017	33.3 C (91.9 F)
2018	35.0 C (95.0 F)
2019	34.4 C (93.9 F)
2020	35.0 C (95.0 F)
2021	35.6 C (96.1 F)
2022	35.0 C (95.0 F)
2023	33.3 C (91.9 F)
2024	36.1 C (97.0 F)
2025	36.1 C (97.0 F)
2026	35.0 C (95.0 F)

Coldest night (TNn)

The coldest night of the year at Lancaster, 1974 to 2026. The record is -24.4 C (-11.9 F) in 2014, marked on the chart; the median year is -18.3 C (-0.9 F).

Coldest night (TNn) at Lancaster by year
Year	Coldest night (TNn)
1974	n/a
1975	n/a
1976	n/a
1997	-9.4 C (15.1 F)
1998	-11.7 C (10.9 F)
1999	-19.4 C (-2.9 F)
2000	-21.1 C (-6.0 F)
2001	-13.9 C (7.0 F)
2002	-13.9 C (7.0 F)
2003	-22.2 C (-8.0 F)
2004	-23.3 C (-9.9 F)
2005	-18.3 C (-0.9 F)
2006	-14.4 C (6.1 F)
2007	-18.9 C (-2.0 F)
2008	-18.3 C (-0.9 F)
2009	-22.8 C (-9.0 F)
2010	-16.1 C (3.0 F)
2011	-20.6 C (-5.1 F)
2012	-13.9 C (7.0 F)
2013	-14.4 C (6.1 F)
2014	-24.4 C (-11.9 F)
2015	-22.8 C (-9.0 F)
2016	-16.7 C (1.9 F)
2017	-16.7 C (1.9 F)
2018	-21.1 C (-6.0 F)
2019	-21.1 C (-6.0 F)
2020	-11.1 C (12.0 F)
2021	-15.6 C (3.9 F)
2022	-21.7 C (-7.1 F)
2023	-13.9 C (7.0 F)
2024	-16.7 C (1.9 F)
2025	-21.1 C (-6.0 F)
2026	-23.3 C (-9.9 F)

Wettest day (Rx1day)

The wettest day of the year at Lancaster, 1974 to 2026. The record is 115.6 mm (4.6 in) in 2004, marked on the chart; the median year is 52.1 mm (2.1 in).

Wettest day (Rx1day) at Lancaster by year
Year	Wettest day (Rx1day)
1974	54.6 mm (2.1 in)
1975	51.3 mm (2.0 in)
1976	15.0 mm (0.6 in)
1997	53.3 mm (2.1 in)
1998	64.8 mm (2.6 in)
1999	59.9 mm (2.4 in)
2000	70.6 mm (2.8 in)
2001	47.2 mm (1.9 in)
2002	36.8 mm (1.4 in)
2003	52.1 mm (2.1 in)
2004	115.6 mm (4.6 in)
2005	72.9 mm (2.9 in)
2006	45.0 mm (1.8 in)
2007	50.3 mm (2.0 in)
2008	61.2 mm (2.4 in)
2009	58.2 mm (2.3 in)
2010	45.5 mm (1.8 in)
2011	52.1 mm (2.1 in)
2012	42.4 mm (1.7 in)
2013	50.8 mm (2.0 in)
2014	38.9 mm (1.5 in)
2015	55.1 mm (2.2 in)
2016	59.2 mm (2.3 in)
2017	57.2 mm (2.3 in)
2018	52.6 mm (2.1 in)
2019	45.0 mm (1.8 in)
2020	42.9 mm (1.7 in)
2021	44.5 mm (1.8 in)
2022	76.7 mm (3.0 in)
2023	49.5 mm (1.9 in)
2024	45.7 mm (1.8 in)
2025	58.4 mm (2.3 in)
2026	50.8 mm (2.0 in)

Wettest five days (Rx5day)

The wettest five days of the year at Lancaster, 1974 to 2026. The record is 152.9 mm (6.0 in) in 2004, marked on the chart; the median year is 85.4 mm (3.4 in).

Wettest five days (Rx5day) at Lancaster by year
Year	Wettest five days (Rx5day)
1974	77.4 mm (3.0 in)
1975	75.5 mm (3.0 in)
1976	18.8 mm (0.7 in)
1997	133.5 mm (5.3 in)
1998	85.4 mm (3.4 in)
1999	139.4 mm (5.5 in)
2000	79.5 mm (3.1 in)
2001	80.0 mm (3.1 in)
2002	66.3 mm (2.6 in)
2003	59.4 mm (2.3 in)
2004	152.9 mm (6.0 in)
2005	113.5 mm (4.5 in)
2006	58.9 mm (2.3 in)
2007	55.4 mm (2.2 in)
2008	90.2 mm (3.6 in)
2009	78.8 mm (3.1 in)
2010	63.3 mm (2.5 in)
2011	96.0 mm (3.8 in)
2012	70.6 mm (2.8 in)
2013	101.6 mm (4.0 in)
2014	94.7 mm (3.7 in)
2015	100.5 mm (4.0 in)
2016	89.6 mm (3.5 in)
2017	112.0 mm (4.4 in)
2018	70.3 mm (2.8 in)
2019	100.5 mm (4.0 in)
2020	84.0 mm (3.3 in)
2021	60.4 mm (2.4 in)
2022	97.0 mm (3.8 in)
2023	92.2 mm (3.6 in)
2024	64.8 mm (2.6 in)
2025	104.3 mm (4.1 in)
2026	99.3 mm (3.9 in)

Longest dry spell (CDD)

The longest dry spell of the year at Lancaster, 1974 to 2026. The record is 30 days in 2015, marked on the chart; the median year is 17 days.

Longest dry spell (CDD) at Lancaster by year
Year	Longest dry spell (CDD)
1974	13 days
1975	12 days
1976	10 days
1997	23 days
1998	14 days
1999	20 days
2000	21 days
2001	20 days
2002	27 days
2003	16 days
2004	16 days
2005	15 days
2006	16 days
2007	18 days
2008	15 days
2009	18 days
2010	17 days
2011	14 days
2012	19 days
2013	15 days
2014	19 days
2015	30 days
2016	18 days
2017	20 days
2018	18 days
2019	20 days
2020	17 days
2021	16 days
2022	22 days
2023	23 days
2024	16 days
2025	17 days
2026	11 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

21 years with a frost

Across 21 years with a frost, the median last spring frost at Lancaster falls on 25 April and the median first autumn frost on 23 October, which leaves a median of 179 days between them.

Frost dates and growing season at Lancaster
Measure	Median, all years	Earliest period	Recent period (1998 to 2025)	Recent against earliest	Fitted trend
Last spring frost	25 April	n/a	25 April	n/a	n/a
First autumn frost	23 October	n/a	23 October	n/a	n/a
Growing days	179 days	n/a	179 days	n/a	n/a

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 standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Lancaster 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 2026-10-14. Last revised 14 October 2026 (2026-10-14).