Big Sandy Weather Records (USC00400705)

Record envelope, standing records and threshold days for Big Sandy (USC00400705), Tennessee, United States, with 30 years of record.

Key Facts for Big Sandy

Big Sandy (USC00400705) is a weather station in Tennessee, United States at 36.24 latitude and -88.09 longitude, 116 m (380 ft) above sea level.
The station reports from 1997 to 2026, 30 years of record.
1,464 records set at Big Sandy still stand.
Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

Location: Tennessee, United States, 36.24 latitude, -88.09 longitude.
Elevation: 116 m (380 ft).
Period of record: 1997 to 2026, 30 years.
Eligible elements: none yet.

Daily Record Envelope and 2026

17 days at or beyond a record

The band shows the record high and record low for each calendar day at Big Sandy. The lines show the 2026 daily maximum and minimum. 17 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.

Daily record high and record low at Big Sandy, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	23.9 C (75.0 F)	-20.6 C (-5.1 F)	16.7 C (62.1 F)	-15.0 C (5.0 F)
Feb	26.7 C (80.1 F)	-17.8 C (0.0 F)	25.0 C (77.0 F)	-13.9 C (7.0 F)
Mar	30.6 C (87.1 F)	-13.3 C (8.1 F)	28.9 C (84.0 F)	-5.0 C (23.0 F)
Apr	32.8 C (91.0 F)	-6.7 C (19.9 F)	31.1 C (88.0 F)	-0.6 C (30.9 F)
May	34.4 C (93.9 F)	1.1 C (34.0 F)	29.4 C (84.9 F)	5.6 C (42.1 F)
Jun	40.0 C (104.0 F)	6.7 C (44.1 F)	34.4 C (93.9 F)	13.3 C (55.9 F)
Jul	40.6 C (105.1 F)	11.7 C (53.1 F)	35.6 C (96.1 F)	18.9 C (66.0 F)
Aug	40.6 C (105.1 F)	9.4 C (48.9 F)	37.2 C (99.0 F)	10.0 C (50.0 F)
Sep	38.3 C (100.9 F)	1.1 C (34.0 F)	33.3 C (91.9 F)	8.9 C (48.0 F)
Oct	35.0 C (95.0 F)	-4.4 C (24.1 F)	30.6 C (87.1 F)	2.2 C (36.0 F)
Nov	30.0 C (86.0 F)	-10.6 C (12.9 F)	25.6 C (78.1 F)	-6.1 C (21.0 F)
Dec	25.6 C (78.1 F)	-19.4 C (-2.9 F)	24.4 C (75.9 F)	-12.2 C (10.0 F)

Which Years Hold Standing Records

1,464 standing records

1,464 records at Big Sandy still stand. 2007 holds the most, with 76.

Standing records at Big Sandy by the year they were set
Year set	Standing records
1997	22
1998	46
1999	70
2000	62
2001	44
2002	49
2003	48
2004	42
2005	45
2006	62
2007	76
2008	49
2009	45
2010	72
2011	73
2012	73
2013	48
2014	57
2015	44
2016	40
2017	42
2018	53
2019	45
2020	38
2021	42
2022	58
2023	36
2024	45
2025	38

Wettest Day of Each Month

Sep: 241.3 mm (9.5 in)

The wettest day on record for each calendar month at Big Sandy. The most was 241.3 mm (9.5 in) on 27 September 2002.

Record daily precipitation for each month at Big Sandy
Month	Record daily precipitation (mm)	Date
Jan	85.1 mm (3.4 in)	3 January 2023
Feb	76.2 mm (3.0 in)	9 February 2003
Mar	97.5 mm (3.8 in)	10 March 2016
Apr	93.2 mm (3.7 in)	6 April 2025
May	91.9 mm (3.6 in)	26 May 1998
Jun	88.4 mm (3.5 in)	4 June 1998
Jul	91.9 mm (3.6 in)	5 July 2017
Aug	94.7 mm (3.7 in)	27 August 2023
Sep	241.3 mm (9.5 in)	27 September 2002
Oct	86.4 mm (3.4 in)	6 October 2013
Nov	166.1 mm (6.5 in)	28 November 2001
Dec	98.3 mm (3.9 in)	19 December 2002

Period of Record Coverage

1997 to 2025

29 years of record at Big Sandy, 1997 to 2025. 3 years have data for under 90 percent of days and are left out of rankings: 1997, 2003, 2005.

Days with data per year at Big Sandy
Year	Days with data	Share of year	Complete
1997	148	41%	No
1998	335	92%	Yes
1999	363	99%	Yes
2000	356	97%	Yes
2001	341	93%	Yes
2002	336	92%	Yes
2003	327	90%	No
2004	335	92%	Yes
2005	325	89%	No
2006	329	90%	Yes
2007	346	95%	Yes
2008	351	96%	Yes
2009	348	95%	Yes
2010	357	98%	Yes
2011	365	100%	Yes
2012	362	99%	Yes
2013	364	100%	Yes
2014	364	100%	Yes
2015	343	94%	Yes
2016	366	100%	Yes
2017	365	100%	Yes
2018	365	100%	Yes
2019	365	100%	Yes
2020	366	100%	Yes
2021	334	92%	Yes
2022	365	100%	Yes
2023	363	99%	Yes
2024	362	99%	Yes
2025	358	98%	Yes

Latest Records

No records were set at this station in the latest data.

Climate Trend

25 complete years, 1999 to 2025

One stripe for each of 25 complete years at Big Sandy, 1999 to 2025. Blue stripes are years cooler than the station's own mean of 15.4 C (59.8 F); red stripes are warmer. The coolest year was 2014, at 13.8 C (56.8 F), and the warmest was 2012, at 16.4 C (61.5 F). The strongest colour marks a difference of 1.7 C (3.1 F).

Annual mean temperature at Big Sandy as warming stripes, 1999 to 2025
Year	Annual mean temperature	Difference from the station mean
1999	15.3 C	-0.09 C
2000	15.3 C	-0.10 C
2001	15.2 C	-0.21 C
2002	15.3 C	-0.14 C
2003	14.7 C	-0.75 C
2004	15.6 C	+0.13 C
2005	15.7 C	+0.25 C
2006	15.6 C	+0.19 C
2007	16.0 C	+0.60 C
2008	14.6 C	-0.78 C
2009	14.9 C	-0.56 C
2010	15.3 C	-0.10 C
2011	15.6 C	+0.20 C
2012	16.4 C	+0.99 C
2013	14.4 C	-1.05 C
2014	13.8 C	-1.64 C
2016	15.8 C	+0.41 C
2017	15.9 C	+0.45 C
2018	15.5 C	+0.08 C
2019	15.7 C	+0.32 C
2020	15.6 C	+0.13 C
2022	15.3 C	-0.08 C
2023	16.0 C	+0.60 C
2024	16.3 C	+0.90 C
2025	15.7 C	+0.32 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

1997 to 2026

Yearly extremes at Big Sandy: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	40.6 C (105.1 F)	2007	36.1 C (97.0 F)	30
Coldest night (TNn)	-20.6 C (-5.1 F)	2024	-13.9 C (7.0 F)	30
Wettest day (Rx1day)	241.3 mm (9.5 in)	2002	69.7 mm (2.7 in)	30
Wettest five days (Rx5day)	385.8 mm (15.2 in)	2001	115.7 mm (4.6 in)	30
Longest dry spell (CDD)	58 days	2016	23 days	30

Hottest day (TXx)

The hottest day of the year at Big Sandy, 1997 to 2026. The record is 40.6 C (105.1 F) in 2007, marked on the chart; the median year is 36.1 C (97.0 F).

Hottest day (TXx) at Big Sandy by year
Year	Hottest day (TXx)
1997	33.3 C (91.9 F)
1998	36.1 C (97.0 F)
1999	38.3 C (100.9 F)
2000	37.2 C (99.0 F)
2001	35.6 C (96.1 F)
2002	37.2 C (99.0 F)
2003	35.0 C (95.0 F)
2004	34.4 C (93.9 F)
2005	36.7 C (98.1 F)
2006	37.2 C (99.0 F)
2007	40.6 C (105.1 F)
2008	37.2 C (99.0 F)
2009	35.6 C (96.1 F)
2010	37.8 C (100.0 F)
2011	39.4 C (102.9 F)
2012	40.6 C (105.1 F)
2013	34.4 C (93.9 F)
2014	34.4 C (93.9 F)
2015	35.0 C (95.0 F)
2016	35.0 C (95.0 F)
2017	35.0 C (95.0 F)
2018	35.6 C (96.1 F)
2019	36.1 C (97.0 F)
2020	33.9 C (93.0 F)
2021	34.4 C (93.9 F)
2022	37.8 C (100.0 F)
2023	36.7 C (98.1 F)
2024	38.3 C (100.9 F)
2025	37.2 C (99.0 F)
2026	36.1 C (97.0 F)

Coldest night (TNn)

The coldest night of the year at Big Sandy, 1997 to 2026. The record is -20.6 C (-5.1 F) in 2024, marked on the chart; the median year is -13.9 C (7.0 F).

Coldest night (TNn) at Big Sandy by year
Year	Coldest night (TNn)
1997	-9.4 C (15.1 F)
1998	-10.0 C (14.0 F)
1999	-12.2 C (10.0 F)
2000	-13.9 C (7.0 F)
2001	-16.1 C (3.0 F)
2002	-11.7 C (10.9 F)
2003	-19.4 C (-2.9 F)
2004	-13.9 C (7.0 F)
2005	-11.1 C (12.0 F)
2006	-11.7 C (10.9 F)
2007	-13.3 C (8.1 F)
2008	-13.3 C (8.1 F)
2009	-15.0 C (5.0 F)
2010	-16.1 C (3.0 F)
2011	-17.8 C (0.0 F)
2012	-8.3 C (17.1 F)
2013	-9.4 C (15.1 F)
2014	-18.3 C (-0.9 F)
2015	-17.2 C (1.0 F)
2016	-12.2 C (10.0 F)
2017	-15.6 C (3.9 F)
2018	-17.8 C (0.0 F)
2019	-10.6 C (12.9 F)
2020	-8.3 C (17.1 F)
2021	-17.2 C (1.0 F)
2022	-19.4 C (-2.9 F)
2023	-7.8 C (18.0 F)
2024	-20.6 C (-5.1 F)
2025	-15.0 C (5.0 F)
2026	-14.4 C (6.1 F)

Wettest day (Rx1day)

The wettest day of the year at Big Sandy, 1997 to 2026. The record is 241.3 mm (9.5 in) in 2002, marked on the chart; the median year is 69.7 mm (2.7 in).

Wettest day (Rx1day) at Big Sandy by year
Year	Wettest day (Rx1day)
1997	56.9 mm (2.2 in)
1998	91.9 mm (3.6 in)
1999	61.0 mm (2.4 in)
2000	51.6 mm (2.0 in)
2001	166.1 mm (6.5 in)
2002	241.3 mm (9.5 in)
2003	76.2 mm (3.0 in)
2004	52.6 mm (2.1 in)
2005	55.9 mm (2.2 in)
2006	54.4 mm (2.1 in)
2007	55.9 mm (2.2 in)
2008	71.1 mm (2.8 in)
2009	55.9 mm (2.2 in)
2010	50.8 mm (2.0 in)
2011	81.3 mm (3.2 in)
2012	84.6 mm (3.3 in)
2013	86.4 mm (3.4 in)
2014	68.3 mm (2.7 in)
2015	53.3 mm (2.1 in)
2016	97.5 mm (3.8 in)
2017	91.9 mm (3.6 in)
2018	62.7 mm (2.5 in)
2019	47.2 mm (1.9 in)
2020	88.9 mm (3.5 in)
2021	46.7 mm (1.8 in)
2022	79.8 mm (3.1 in)
2023	94.7 mm (3.7 in)
2024	84.3 mm (3.3 in)
2025	93.2 mm (3.7 in)
2026	47.5 mm (1.9 in)

Wettest five days (Rx5day)

The wettest five days of the year at Big Sandy, 1997 to 2026. The record is 385.8 mm (15.2 in) in 2001, marked on the chart; the median year is 115.7 mm (4.6 in).

Wettest five days (Rx5day) at Big Sandy by year
Year	Wettest five days (Rx5day)
1997	89.4 mm (3.5 in)
1998	183.7 mm (7.2 in)
1999	101.6 mm (4.0 in)
2000	96.5 mm (3.8 in)
2001	385.8 mm (15.2 in)
2002	267.2 mm (10.5 in)
2003	127.0 mm (5.0 in)
2004	115.8 mm (4.6 in)
2005	87.1 mm (3.4 in)
2006	72.5 mm (2.9 in)
2007	130.9 mm (5.2 in)
2008	129.5 mm (5.1 in)
2009	95.0 mm (3.7 in)
2010	97.8 mm (3.9 in)
2011	203.3 mm (8.0 in)
2012	93.7 mm (3.7 in)
2013	142.3 mm (5.6 in)
2014	116.9 mm (4.6 in)
2015	114.6 mm (4.5 in)
2016	148.1 mm (5.8 in)
2017	127.8 mm (5.0 in)
2018	127.5 mm (5.0 in)
2019	98.6 mm (3.9 in)
2020	88.9 mm (3.5 in)
2021	79.2 mm (3.1 in)
2022	126.1 mm (5.0 in)
2023	115.5 mm (4.5 in)
2024	135.7 mm (5.3 in)
2025	108.2 mm (4.3 in)
2026	65.7 mm (2.6 in)

Longest dry spell (CDD)

The longest dry spell of the year at Big Sandy, 1997 to 2026. The record is 58 days in 2016, marked on the chart; the median year is 23 days.

Longest dry spell (CDD) at Big Sandy by year
Year	Longest dry spell (CDD)
1997	11 days
1998	25 days
1999	31 days
2000	23 days
2001	15 days
2002	18 days
2003	18 days
2004	19 days
2005	23 days
2006	15 days
2007	25 days
2008	26 days
2009	22 days
2010	32 days
2011	26 days
2012	32 days
2013	13 days
2014	21 days
2015	13 days
2016	58 days
2017	23 days
2018	23 days
2019	29 days
2020	17 days
2021	17 days
2022	30 days
2023	21 days
2024	41 days
2025	14 days
2026	17 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

25 years with a frost

Across 25 years with a frost, the median last spring frost at Big Sandy falls on 15 April and the median first autumn frost on 28 October, which leaves a median of 192 days between them.

Fitted over all years, the growing season changes by +2.6 days per decade at this station.

Frost dates and growing season at Big Sandy
Measure	Median, all years	Earliest period	Recent period (1999 to 2025)	Recent against earliest	Fitted trend
Last spring frost	15 April	n/a	15 April	n/a	-0.3 days per decade
First autumn frost	28 October	n/a	28 October	n/a	+2.3 days per decade
Growing days	192 days	n/a	192 days	n/a	+2.6 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.

Download the Data

Data for Big Sandy standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Big Sandy 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 2025-12-31. Last revised 31 December 2025 (2025-12-31).