Old Hickory Dam Weather Records (USC00406803)

Record envelope, standing records and threshold days for Old Hickory Dam (USC00406803), Tennessee, United States, with 73 years of record.

Key Facts for Old Hickory Dam

Old Hickory Dam (USC00406803) is a weather station in Tennessee, United States at 36.30 latitude and -86.66 longitude, 136 m (445 ft) above sea level.
The station reports from 1954 to 2026, 73 years of record.
1,464 records set at Old Hickory Dam still stand.
Records are tracked for prcp, snow, snwd: an element needs 30 years of data to be eligible.
Old Hickory Dam set a daily record precipitation of 33.8 mm (1.3 in) on 3 October 2026 (provisional).

Provisional Records

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

About the Station

Location: Tennessee, United States, 36.30 latitude, -86.66 longitude.
Elevation: 136 m (445 ft).
Period of record: 1954 to 2026, 73 years.
Eligible elements: prcp, snow, snwd.

Daily Record Envelope and 2026

43 days at or beyond a record

The band shows the record high and record low for each calendar day at Old Hickory Dam. The lines show the 2026 daily maximum and minimum. 43 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.

Daily record high and record low at Old Hickory Dam, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	24.4 C (75.9 F)	-23.3 C (-9.9 F)	21.1 C (70.0 F)	-13.3 C (8.1 F)
Feb	27.8 C (82.0 F)	-17.8 C (0.0 F)	24.4 C (75.9 F)	-10.6 C (12.9 F)
Mar	31.1 C (88.0 F)	-13.3 C (8.1 F)	31.1 C (88.0 F)	-3.9 C (25.0 F)
Apr	32.8 C (91.0 F)	-5.6 C (21.9 F)	30.0 C (86.0 F)	4.4 C (39.9 F)
May	34.4 C (93.9 F)	1.1 C (34.0 F)	33.3 C (91.9 F)	4.4 C (39.9 F)
Jun	41.1 C (106.0 F)	8.3 C (46.9 F)	35.0 C (95.0 F)	12.8 C (55.0 F)
Jul	41.1 C (106.0 F)	12.2 C (54.0 F)	36.7 C (98.1 F)	17.8 C (64.0 F)
Aug	38.9 C (102.0 F)	12.2 C (54.0 F)	36.7 C (98.1 F)	16.7 C (62.1 F)
Sep	38.3 C (100.9 F)	2.2 C (36.0 F)	37.8 C (100.0 F)	10.6 C (51.1 F)
Oct	35.6 C (96.1 F)	-3.3 C (26.1 F)	33.3 C (91.9 F)	9.4 C (48.9 F)
Nov	30.6 C (87.1 F)	-10.0 C (14.0 F)	n/a	n/a
Dec	23.9 C (75.0 F)	-19.4 C (-2.9 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Old Hickory Dam still stand. 2012 holds the most, with 132.

Standing records at Old Hickory Dam by the year they were set
Year set	Standing records
1965	28
1966	24
1967	17
1968	32
1969	21
1970	22
1972	9
1977	2
2011	100
2012	132
2013	99
2014	95
2015	96
2016	89
2017	108
2018	100
2019	61
2020	81
2021	68
2022	44
2023	59
2024	58
2025	61
2026	58

All-Time Record Progression

2 new records

2 all-time records were set at Old Hickory Dam between 2 May 2010 and 3 May 2010. Each dot is a new record.

When Old Hickory Dam set new all-time records
Date	Kind	Detail
2010-05-02	Record daily precipitation	Record daily precipitation 139.7 mm (5.5 in)
2010-05-03	Record daily precipitation	Record daily precipitation 170.9 mm (6.7 in)

Wettest Day of Each Month

May: 170.9 mm (6.7 in)

The wettest day on record for each calendar month at Old Hickory Dam. The most was 170.9 mm (6.7 in) on 3 May 2010.

Record daily precipitation for each month at Old Hickory Dam
Month	Record daily precipitation (mm)	Date
Jan	116.3 mm (4.6 in)	30 January 1956
Feb	104.1 mm (4.1 in)	8 February 1986
Mar	105.7 mm (4.2 in)	29 March 2021
Apr	114.3 mm (4.5 in)	28 April 2013
May	170.9 mm (6.7 in)	3 May 2010
Jun	67.8 mm (2.7 in)	9 June 1961
Jul	95.3 mm (3.8 in)	22 July 2026
Aug	112.0 mm (4.4 in)	8 August 2013
Sep	139.2 mm (5.5 in)	14 September 1979
Oct	88.9 mm (3.5 in)	17 October 1975
Nov	111.3 mm (4.4 in)	28 November 1968
Dec	130.6 mm (5.1 in)	8 December 1978

Period of Record Coverage

1965 to 2026

24 years of record at Old Hickory Dam, 1965 to 2026. 13 years have data for under 90 percent of days and are left out of rankings: 1965, 1966, 1967, 1968, 1969, 1970, 1972, 1977 and others.

Days with data per year at Old Hickory Dam
Year	Days with data	Share of year	Complete
1965	88	24%	No
1966	61	17%	No
1967	30	8%	No
1968	119	33%	No
1969	90	25%	No
1970	30	8%	No
1972	31	8%	No
1977	30	8%	No
2011	354	97%	Yes
2012	342	93%	Yes
2013	353	97%	Yes
2014	364	100%	Yes
2015	352	96%	Yes
2016	357	98%	Yes
2017	365	100%	Yes
2018	352	96%	Yes
2019	356	98%	Yes
2020	365	100%	Yes
2021	340	93%	Yes
2022	222	61%	No
2023	286	78%	No
2024	262	72%	No
2025	325	89%	No
2026	240	66%	No

Latest Records

Latest records at Old Hickory Dam
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
3 October 2026	Old Hickory Dam, US	daily rain (Provisional)	33.8 mm (1.3 in)	18.6 mm (0.7 in)	28 years	29 of 100 (Routine)
1 August 2026	Old Hickory Dam, US	daily rain	40.9 mm (1.6 in)	18.0 mm (0.7 in)	29 years	28 of 100 (Routine)
22 July 2026	Old Hickory Dam, US	monthly rain	95.3 mm (3.8 in)	19.1 mm (0.8 in)	14 years	37 of 100 (Notable)
26 February 2026	Old Hickory Dam, US	daily rain	22.9 mm (0.9 in)	0.8 mm (0.03 in)	64 years	20 of 100 (Routine)
25 January 2026	Old Hickory Dam, US	daily rain	50.8 mm (2.0 in)	24.6 mm (1.0 in)	50 years	42 of 100 (Notable)
19 December 2025	Old Hickory Dam, US	daily rain	35.6 mm (1.4 in)	9.4 mm (0.37 in)	35 years	23 of 100 (Routine)
30 October 2025	Old Hickory Dam, US	daily rain (Tie)	7.6 mm (0.30 in)	tie	51 years	5 of 100 (Routine)
16 March 2025	Old Hickory Dam, US	daily rain	93.5 mm (3.7 in)	47.0 mm (1.9 in)	35 years	51 of 100 (Notable)
16 February 2025	Old Hickory Dam, US	daily rain	63.5 mm (2.5 in)	14.7 mm (0.6 in)	35 years	27 of 100 (Routine)
11 February 2025	Old Hickory Dam, US	daily rain (Tie)	44.5 mm (1.8 in)	tie	31 years	4 of 100 (Routine)
9 May 2024	Old Hickory Dam, US	daily rain	127.0 mm (5.0 in)	76.7 mm (3.0 in)	15 years	51 of 100 (Notable)
2 December 2023	Old Hickory Dam, US	daily rain	30.7 mm (1.2 in)	17.0 mm (0.7 in)	4 years	18 of 100 (Routine)
13 August 2023	Old Hickory Dam, US	daily rain	28.2 mm (1.1 in)	10.7 mm (0.4 in)	9 years	16 of 100 (Routine)
13 May 2023	Old Hickory Dam, US	daily rain	40.1 mm (1.6 in)	1.5 mm (0.06 in)	10 years	10 of 100 (Routine)
11 November 2022	Old Hickory Dam, US	daily rain	36.3 mm (1.4 in)	18.5 mm (0.7 in)	24 years	27 of 100 (Routine)
12 July 2021	Old Hickory Dam, US	daily rain	42.9 mm (1.7 in)	8.6 mm (0.34 in)	32 years	22 of 100 (Routine)
3 June 2021	Old Hickory Dam, US	daily rain	43.9 mm (1.7 in)	14.7 mm (0.6 in)	12 years	21 of 100 (Routine)
5 May 2021	Old Hickory Dam, US	daily rain	41.4 mm (1.6 in)	11.7 mm (0.5 in)	8 years	15 of 100 (Routine)
29 March 2021	Old Hickory Dam, US	monthly rain	105.7 mm (4.2 in)	4.1 mm (0.16 in)	46 years	32 of 100 (Routine)
28 March 2021	Old Hickory Dam, US	monthly rain (Tie)	101.6 mm (4.0 in)	tie	46 years	7 of 100 (Routine)

Climate Trend

12 complete years, 2011 to 2025

One stripe for each of 12 complete years at Old Hickory Dam, 2011 to 2025. Blue stripes are years cooler than the station's own mean of 15.1 C (59.1 F); red stripes are warmer. The coolest year was 2014, at 13.7 C (56.6 F), and the warmest was 2012, at 15.8 C (60.5 F). The strongest colour marks a difference of 1.5 C (2.7 F).

Annual mean temperature at Old Hickory Dam as warming stripes, 2011 to 2025
Year	Annual mean temperature	Difference from the station mean
2011	15.0 C	-0.05 C
2012	15.8 C	+0.75 C
2013	14.2 C	-0.90 C
2014	13.7 C	-1.42 C
2015	15.0 C	-0.12 C
2016	15.7 C	+0.62 C
2017	15.6 C	+0.56 C
2018	15.1 C	+0.06 C
2019	15.5 C	+0.40 C
2020	15.1 C	-0.02 C
2021	15.1 C	0.00 C
2025	15.2 C	+0.16 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

1954 to 2026

Yearly extremes at Old Hickory Dam: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	41.1 C (106.0 F)	2012	36.4 C (97.5 F)	24
Coldest night (TNn)	-23.3 C (-9.9 F)	1966	-13.0 C (8.5 F)	24
Wettest day (Rx1day)	170.9 mm (6.7 in)	2010	67.8 mm (2.7 in)	73
Wettest five days (Rx5day)	310.6 mm (12.2 in)	2010	105.4 mm (4.1 in)	73
Longest dry spell (CDD)	40 days	2005	18 days	73

Hottest day (TXx)

The hottest day of the year at Old Hickory Dam, 1954 to 2026. The record is 41.1 C (106.0 F) in 2012, marked on the chart; the median year is 36.4 C (97.5 F).

Hottest day (TXx) at Old Hickory Dam by year
Year	Hottest day (TXx)
1954	n/a
1955	n/a
1956	n/a
1957	n/a
1958	n/a
1959	n/a
1960	n/a
1961	n/a
1962	n/a
1963	n/a
1964	n/a
1965	34.4 C (93.9 F)
1966	26.7 C (80.1 F)
1967	21.7 C (71.1 F)
1968	31.1 C (88.0 F)
1969	33.3 C (91.9 F)
1970	18.9 C (66.0 F)
1971	n/a
1972	20.0 C (68.0 F)
1973	n/a
1974	n/a
1975	n/a
1976	n/a
1977	35.6 C (96.1 F)
1978	n/a
1979	n/a
1980	n/a
1981	n/a
1982	n/a
1983	n/a
1984	n/a
1985	n/a
1986	n/a
1987	n/a
1988	n/a
1989	n/a
1990	n/a
1991	n/a
1992	n/a
1993	n/a
1994	n/a
1995	n/a
1996	n/a
1997	n/a
1998	n/a
1999	n/a
2000	n/a
2001	n/a
2002	n/a
2003	n/a
2004	n/a
2005	n/a
2006	n/a
2007	n/a
2008	n/a
2009	n/a
2010	n/a
2011	38.9 C (102.0 F)
2012	41.1 C (106.0 F)
2013	35.0 C (95.0 F)
2014	35.6 C (96.1 F)
2015	36.7 C (98.1 F)
2016	35.6 C (96.1 F)
2017	36.1 C (97.0 F)
2018	36.7 C (98.1 F)
2019	37.2 C (99.0 F)
2020	37.2 C (99.0 F)
2021	36.7 C (98.1 F)
2022	37.2 C (99.0 F)
2023	36.7 C (98.1 F)
2024	37.8 C (100.0 F)
2025	37.2 C (99.0 F)
2026	37.8 C (100.0 F)

Coldest night (TNn)

The coldest night of the year at Old Hickory Dam, 1954 to 2026. The record is -23.3 C (-9.9 F) in 1966, marked on the chart; the median year is -13.0 C (8.5 F).

Coldest night (TNn) at Old Hickory Dam by year
Year	Coldest night (TNn)
1954	n/a
1955	n/a
1956	n/a
1957	n/a
1958	n/a
1959	n/a
1960	n/a
1961	n/a
1962	n/a
1963	n/a
1964	n/a
1965	-17.8 C (0.0 F)
1966	-23.3 C (-9.9 F)
1967	-10.0 C (14.0 F)
1968	-15.6 C (3.9 F)
1969	-8.9 C (16.0 F)
1970	-20.0 C (-4.0 F)
1971	n/a
1972	-12.2 C (10.0 F)
1973	n/a
1974	n/a
1975	n/a
1976	n/a
1977	11.1 C (52.0 F)
1978	n/a
1979	n/a
1980	n/a
1981	n/a
1982	n/a
1983	n/a
1984	n/a
1985	n/a
1986	n/a
1987	n/a
1988	n/a
1989	n/a
1990	n/a
1991	n/a
1992	n/a
1993	n/a
1994	n/a
1995	n/a
1996	n/a
1997	n/a
1998	n/a
1999	n/a
2000	n/a
2001	n/a
2002	n/a
2003	n/a
2004	n/a
2005	n/a
2006	n/a
2007	n/a
2008	n/a
2009	n/a
2010	n/a
2011	-15.0 C (5.0 F)
2012	-9.4 C (15.1 F)
2013	-8.9 C (16.0 F)
2014	-18.3 C (-0.9 F)
2015	-17.2 C (1.0 F)
2016	-12.2 C (10.0 F)
2017	-13.9 C (7.0 F)
2018	-15.6 C (3.9 F)
2019	-10.0 C (14.0 F)
2020	-9.4 C (15.1 F)
2021	-12.8 C (9.0 F)
2022	-19.4 C (-2.9 F)
2023	-7.8 C (18.0 F)
2024	-9.4 C (15.1 F)
2025	-14.4 C (6.1 F)
2026	-13.3 C (8.1 F)

Wettest day (Rx1day)

The wettest day of the year at Old Hickory Dam, 1954 to 2026. The record is 170.9 mm (6.7 in) in 2010, marked on the chart; the median year is 67.8 mm (2.7 in).

Wettest day (Rx1day) at Old Hickory Dam by year
Year	Wettest day (Rx1day)
1954	50.3 mm (2.0 in)
1955	55.9 mm (2.2 in)
1956	116.3 mm (4.6 in)
1957	68.6 mm (2.7 in)
1958	59.2 mm (2.3 in)
1959	59.7 mm (2.4 in)
1960	54.1 mm (2.1 in)
1961	67.8 mm (2.7 in)
1962	101.9 mm (4.0 in)
1963	61.0 mm (2.4 in)
1964	56.9 mm (2.2 in)
1965	53.3 mm (2.1 in)
1966	52.6 mm (2.1 in)
1967	49.0 mm (1.9 in)
1968	111.3 mm (4.4 in)
1969	66.0 mm (2.6 in)
1970	48.8 mm (1.9 in)
1971	37.8 mm (1.5 in)
1972	63.5 mm (2.5 in)
1973	65.5 mm (2.6 in)
1974	92.7 mm (3.6 in)
1975	101.6 mm (4.0 in)
1976	57.2 mm (2.3 in)
1977	68.1 mm (2.7 in)
1978	130.6 mm (5.1 in)
1979	139.2 mm (5.5 in)
1980	85.1 mm (3.4 in)
1981	68.3 mm (2.7 in)
1982	58.4 mm (2.3 in)
1983	92.7 mm (3.6 in)
1984	108.7 mm (4.3 in)
1985	28.4 mm (1.1 in)
1986	104.1 mm (4.1 in)
1987	53.3 mm (2.1 in)
1988	74.9 mm (2.9 in)
1989	77.2 mm (3.0 in)
1990	57.2 mm (2.3 in)
1991	69.3 mm (2.7 in)
1992	70.6 mm (2.8 in)
1993	51.6 mm (2.0 in)
1994	68.1 mm (2.7 in)
1995	56.4 mm (2.2 in)
1996	77.7 mm (3.1 in)
1997	55.9 mm (2.2 in)
1998	83.8 mm (3.3 in)
1999	81.3 mm (3.2 in)
2000	58.4 mm (2.3 in)
2001	53.3 mm (2.1 in)
2002	69.9 mm (2.8 in)
2003	61.5 mm (2.4 in)
2004	73.7 mm (2.9 in)
2005	54.6 mm (2.1 in)
2006	49.5 mm (1.9 in)
2007	51.3 mm (2.0 in)
2008	74.9 mm (2.9 in)
2009	69.1 mm (2.7 in)
2010	170.9 mm (6.7 in)
2011	61.7 mm (2.4 in)
2012	76.2 mm (3.0 in)
2013	114.3 mm (4.5 in)
2014	84.6 mm (3.3 in)
2015	45.7 mm (1.8 in)
2016	49.5 mm (1.9 in)
2017	98.3 mm (3.9 in)
2018	58.4 mm (2.3 in)
2019	57.4 mm (2.3 in)
2020	74.7 mm (2.9 in)
2021	105.7 mm (4.2 in)
2022	53.3 mm (2.1 in)
2023	40.1 mm (1.6 in)
2024	127.0 mm (5.0 in)
2025	93.5 mm (3.7 in)
2026	95.3 mm (3.8 in)

Wettest five days (Rx5day)

The wettest five days of the year at Old Hickory Dam, 1954 to 2026. The record is 310.6 mm (12.2 in) in 2010, marked on the chart; the median year is 105.4 mm (4.1 in).

Wettest five days (Rx5day) at Old Hickory Dam by year
Year	Wettest five days (Rx5day)
1954	104.9 mm (4.1 in)
1955	145.2 mm (5.7 in)
1956	198.9 mm (7.8 in)
1957	127.5 mm (5.0 in)
1958	76.3 mm (3.0 in)
1959	97.6 mm (3.8 in)
1960	80.7 mm (3.2 in)
1961	86.1 mm (3.4 in)
1962	191.6 mm (7.5 in)
1963	75.5 mm (3.0 in)
1964	99.6 mm (3.9 in)
1965	93.3 mm (3.7 in)
1966	96.5 mm (3.8 in)
1967	87.9 mm (3.5 in)
1968	132.2 mm (5.2 in)
1969	119.6 mm (4.7 in)
1970	120.1 mm (4.7 in)
1971	62.5 mm (2.5 in)
1972	101.8 mm (4.0 in)
1973	113.5 mm (4.5 in)
1974	140.0 mm (5.5 in)
1975	185.6 mm (7.3 in)
1976	80.4 mm (3.2 in)
1977	89.7 mm (3.5 in)
1978	246.7 mm (9.7 in)
1979	139.2 mm (5.5 in)
1980	130.5 mm (5.1 in)
1981	70.8 mm (2.8 in)
1982	85.8 mm (3.4 in)
1983	150.3 mm (5.9 in)
1984	170.6 mm (6.7 in)
1985	52.5 mm (2.1 in)
1986	132.3 mm (5.2 in)
1987	129.0 mm (5.1 in)
1988	115.5 mm (4.5 in)
1989	116.3 mm (4.6 in)
1990	121.7 mm (4.8 in)
1991	136.1 mm (5.4 in)
1992	100.1 mm (3.9 in)
1993	94.0 mm (3.7 in)
1994	93.6 mm (3.7 in)
1995	106.0 mm (4.2 in)
1996	84.6 mm (3.3 in)
1997	142.0 mm (5.6 in)
1998	119.4 mm (4.7 in)
1999	100.4 mm (4.0 in)
2000	81.8 mm (3.2 in)
2001	107.1 mm (4.2 in)
2002	140.4 mm (5.5 in)
2003	108.0 mm (4.3 in)
2004	105.4 mm (4.1 in)
2005	83.9 mm (3.3 in)
2006	58.4 mm (2.3 in)
2007	86.5 mm (3.4 in)
2008	107.7 mm (4.2 in)
2009	101.3 mm (4.0 in)
2010	310.6 mm (12.2 in)
2011	116.3 mm (4.6 in)
2012	76.2 mm (3.0 in)
2013	176.3 mm (6.9 in)
2014	105.4 mm (4.1 in)
2015	85.9 mm (3.4 in)
2016	83.8 mm (3.3 in)
2017	128.8 mm (5.1 in)
2018	123.7 mm (4.9 in)
2019	104.4 mm (4.1 in)
2020	104.2 mm (4.1 in)
2021	242.3 mm (9.5 in)
2022	53.3 mm (2.1 in)
2023	81.0 mm (3.2 in)
2024	128.6 mm (5.1 in)
2025	133.1 mm (5.2 in)
2026	101.6 mm (4.0 in)

Longest dry spell (CDD)

The longest dry spell of the year at Old Hickory Dam, 1954 to 2026. The record is 40 days in 2005, marked on the chart; the median year is 18 days.

Longest dry spell (CDD) at Old Hickory Dam by year
Year	Longest dry spell (CDD)
1954	20 days
1955	24 days
1956	18 days
1957	14 days
1958	18 days
1959	18 days
1960	11 days
1961	19 days
1962	21 days
1963	32 days
1964	22 days
1965	17 days
1966	15 days
1967	20 days
1968	20 days
1969	16 days
1970	13 days
1971	19 days
1972	15 days
1973	23 days
1974	15 days
1975	15 days
1976	13 days
1977	18 days
1978	18 days
1979	13 days
1980	17 days
1981	13 days
1982	10 days
1983	22 days
1984	16 days
1985	18 days
1986	19 days
1987	17 days
1988	14 days
1989	19 days
1990	23 days
1991	20 days
1992	19 days
1993	18 days
1994	15 days
1995	21 days
1996	15 days
1997	18 days
1998	39 days
1999	22 days
2000	31 days
2001	19 days
2002	22 days
2003	17 days
2004	18 days
2005	40 days
2006	15 days
2007	22 days
2008	23 days
2009	18 days
2010	17 days
2011	15 days
2012	14 days
2013	12 days
2014	25 days
2015	27 days
2016	28 days
2017	28 days
2018	14 days
2019	21 days
2020	25 days
2021	19 days
2022	11 days
2023	21 days
2024	24 days
2025	16 days
2026	13 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.

Rainfall Return Levels

63 years, 1955 to 2021

A day with at least 66.0 mm (2.6 in) of rain is expected about once in 2 years. A day with at least 174.4 mm (6.9 in) of rain is expected about once in 100 years.

Rainfall return levels at Old Hickory Dam: the daily rain expected about once in a given number of years
Expected about once in	A day with at least	Note
2 years	66.0 mm (2.6 in)
5 years	85.7 mm (3.4 in)
10 years	101.8 mm (4.0 in)
25 years	126.6 mm (5.0 in)
50 years	148.7 mm (5.9 in)
100 years	174.4 mm (6.9 in)	Longer than the 63 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, 63 years of values from 1955 to 2021.

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: 170.9 mm (6.7 in) in 2010; 139.2 mm (5.5 in) in 1979; 130.6 mm (5.1 in) in 1978.

Download the Data

Data for Old Hickory Dam standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Old Hickory Dam 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 2026-10-13 (13 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-13. Last revised 13 October 2026 (2026-10-13).