Jefferson City Weather Records (USC00404613)

Record envelope, standing records and threshold days for Jefferson City (USC00404613), Tennessee, United States, with 63 years of record.

Key Facts for Jefferson City

Jefferson City (USC00404613) is a weather station in Tennessee, United States at 36.12 latitude and -83.47 longitude, 338 m (1,108 ft) above sea level.
The station reports from 1948 to 2010, 63 years of record.
1,464 records set at Jefferson City still stand.
Records are tracked for prcp: an element needs 30 years of data to be eligible.
Jefferson City set a daily record precipitation of 23.4 mm (0.9 in) on 19 July 2010.

About the Station

Location: Tennessee, United States, 36.12 latitude, -83.47 longitude.
Elevation: 338 m (1,108 ft).
Period of record: 1948 to 2010, 63 years.
Eligible elements: prcp.

Daily Record Envelope and 2026

0 days at or beyond a record

The band shows the record high and record low for each calendar day at Jefferson City. The lines show the 2026 daily maximum and minimum. 0 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.

Daily record high and record low at Jefferson City, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	23.3 C (73.9 F)	-32.2 C (-26.0 F)	n/a	n/a
Feb	26.1 C (79.0 F)	-25.6 C (-14.1 F)	n/a	n/a
Mar	28.9 C (84.0 F)	-17.2 C (1.0 F)	n/a	n/a
Apr	31.7 C (89.1 F)	-9.4 C (15.1 F)	n/a	n/a
May	39.4 C (102.9 F)	-6.7 C (19.9 F)	n/a	n/a
Jun	36.7 C (98.1 F)	1.7 C (35.1 F)	n/a	n/a
Jul	36.7 C (98.1 F)	4.4 C (39.9 F)	n/a	n/a
Aug	38.9 C (102.0 F)	8.3 C (46.9 F)	n/a	n/a
Sep	35.0 C (95.0 F)	0.0 C (32.0 F)	n/a	n/a
Oct	31.7 C (89.1 F)	-10.6 C (12.9 F)	n/a	n/a
Nov	27.2 C (81.0 F)	-11.7 C (10.9 F)	n/a	n/a
Dec	26.1 C (79.0 F)	-21.1 C (-6.0 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Jefferson City still stand. 1988 holds the most, with 85.

Standing records at Jefferson City by the year they were set
Year set	Standing records
1981	2
1982	66
1983	64
1984	71
1985	69
1986	55
1987	47
1988	85
1989	38
1990	37
1991	45
1992	43
1993	45
1994	49
1995	44
1996	63
1997	56
1998	59
1999	5
2000	51
2001	50
2002	67
2003	38
2004	52
2005	51
2006	45
2007	61
2008	56
2009	27
2010	23

Wettest Day of Each Month

Jul: 129.5 mm (5.1 in)

The wettest day on record for each calendar month at Jefferson City. The most was 129.5 mm (5.1 in) on 1 July 1997.

Record daily precipitation for each month at Jefferson City
Month	Record daily precipitation (mm)	Date
Jan	64.0 mm (2.5 in)	30 January 1950
Feb	77.2 mm (3.0 in)	11 February 1994
Mar	126.5 mm (5.0 in)	27 March 1994
Apr	82.6 mm (3.3 in)	22 April 2006
May	122.4 mm (4.8 in)	7 May 1984
Jun	73.7 mm (2.9 in)	4 June 1983
Jul	129.5 mm (5.1 in)	1 July 1997
Aug	69.1 mm (2.7 in)	20 August 1988
Sep	76.2 mm (3.0 in)	27 September 2009
Oct	42.7 mm (1.7 in)	30 October 1949
Nov	100.6 mm (4.0 in)	28 November 1948
Dec	65.0 mm (2.6 in)	3 December 1993

Period of Record Coverage

1981 to 2010

30 years of record at Jefferson City, 1981 to 2010. 14 years have data for under 90 percent of days and are left out of rankings: 1981, 1983, 1984, 1985, 1986, 1989, 1990, 1992 and others.

Days with data per year at Jefferson City
Year	Days with data	Share of year	Complete
1981	59	16%	No
1982	345	95%	Yes
1983	311	85%	No
1984	301	82%	No
1985	306	84%	No
1986	324	89%	No
1987	352	96%	Yes
1988	355	97%	Yes
1989	246	67%	No
1990	310	85%	No
1991	329	90%	Yes
1992	309	84%	No
1993	309	85%	No
1994	241	66%	No
1995	342	94%	Yes
1996	324	89%	No
1997	346	95%	Yes
1998	310	85%	No
1999	92	25%	No
2000	362	99%	Yes
2001	362	99%	Yes
2002	364	100%	Yes
2003	361	99%	Yes
2004	364	99%	Yes
2005	364	100%	Yes
2006	361	99%	Yes
2007	361	99%	Yes
2008	365	100%	Yes
2009	360	99%	Yes
2010	205	56%	No

Latest Records

Latest records at Jefferson City
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
19 July 2010	Jefferson City, US	daily rain	23.4 mm (0.9 in)	15.8 mm (0.6 in)	20 years	20 of 100 (Routine)
20 June 2010	Jefferson City, US	daily rain	16.0 mm (0.6 in)	6.1 mm (0.24 in)	23 years	17 of 100 (Routine)
11 May 2010	Jefferson City, US	daily rain	10.2 mm (0.4 in)	2.1 mm (0.08 in)	8 years	9 of 100 (Routine)
22 March 2010	Jefferson City, US	daily rain	9.7 mm (0.38 in)	1.8 mm (0.07 in)	24 years	14 of 100 (Routine)
25 January 2010	Jefferson City, US	daily rain	40.6 mm (1.6 in)	10.1 mm (0.4 in)	8 years	17 of 100 (Routine)
22 January 2010	Jefferson City, US	daily rain	17.8 mm (0.7 in)	0.5 mm (0.02 in)	3 years	6 of 100 (Routine)

Climate Trend

18 complete years, 1982 to 2009

One stripe for each of 18 complete years at Jefferson City, 1982 to 2009. Blue stripes are years cooler than the station's own mean of 13.5 C (56.2 F); red stripes are warmer. The coolest year was 2004, at 12.7 C (54.9 F), and the warmest was 1986, at 14.5 C (58.1 F). The strongest colour marks a difference of 1.1 C (2.0 F).

Annual mean temperature at Jefferson City as warming stripes, 1982 to 2009
Year	Annual mean temperature	Difference from the station mean
1982	14.0 C	+0.58 C
1983	13.3 C	-0.18 C
1985	13.9 C	+0.42 C
1986	14.5 C	+1.05 C
1987	14.2 C	+0.71 C
1988	13.0 C	-0.43 C
1995	13.5 C	+0.09 C
1997	13.4 C	-0.02 C
2000	13.2 C	-0.30 C
2001	13.2 C	-0.21 C
2002	13.6 C	+0.10 C
2003	13.2 C	-0.30 C
2004	12.7 C	-0.75 C
2005	13.5 C	+0.01 C
2006	13.4 C	-0.08 C
2007	14.0 C	+0.58 C
2008	12.9 C	-0.57 C
2009	12.8 C	-0.70 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

1948 to 2010

Yearly extremes at Jefferson City: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	39.4 C (102.9 F)	1994	34.7 C (94.5 F)	30
Coldest night (TNn)	-32.2 C (-26.0 F)	1985	-15.3 C (4.5 F)	30
Wettest day (Rx1day)	129.5 mm (5.1 in)	1997	58.7 mm (2.3 in)	34
Wettest five days (Rx5day)	207.7 mm (8.2 in)	1984	89.2 mm (3.5 in)	34
Longest dry spell (CDD)	28 days	2000	18 days	34

Hottest day (TXx)

The hottest day of the year at Jefferson City, 1948 to 2010. The record is 39.4 C (102.9 F) in 1994, marked on the chart; the median year is 34.7 C (94.5 F).

Hottest day (TXx) at Jefferson City by year
Year	Hottest day (TXx)
1948	n/a
1949	n/a
1950	n/a
1951	n/a
1981	23.9 C (75.0 F)
1982	33.9 C (93.0 F)
1983	38.9 C (102.0 F)
1984	33.3 C (91.9 F)
1985	35.0 C (95.0 F)
1986	34.4 C (93.9 F)
1987	35.6 C (96.1 F)
1988	36.7 C (98.1 F)
1989	32.2 C (90.0 F)
1990	35.6 C (96.1 F)
1991	33.9 C (93.0 F)
1992	33.3 C (91.9 F)
1993	36.1 C (97.0 F)
1994	39.4 C (102.9 F)
1995	34.4 C (93.9 F)
1996	33.3 C (91.9 F)
1997	35.0 C (95.0 F)
1998	35.0 C (95.0 F)
1999	27.2 C (81.0 F)
2000	33.9 C (93.0 F)
2001	33.3 C (91.9 F)
2002	35.6 C (96.1 F)
2003	32.8 C (91.0 F)
2004	33.9 C (93.0 F)
2005	35.6 C (96.1 F)
2006	35.0 C (95.0 F)
2007	37.2 C (99.0 F)
2008	35.0 C (95.0 F)
2009	36.1 C (97.0 F)
2010	34.4 C (93.9 F)

Coldest night (TNn)

The coldest night of the year at Jefferson City, 1948 to 2010. The record is -32.2 C (-26.0 F) in 1985, marked on the chart; the median year is -15.3 C (4.5 F).

Coldest night (TNn) at Jefferson City by year
Year	Coldest night (TNn)
1948	n/a
1949	n/a
1950	n/a
1951	n/a
1981	-14.4 C (6.1 F)
1982	-23.3 C (-9.9 F)
1983	-21.1 C (-6.0 F)
1984	-18.3 C (-0.9 F)
1985	-32.2 C (-26.0 F)
1986	-19.4 C (-2.9 F)
1987	-18.3 C (-0.9 F)
1988	-17.2 C (1.0 F)
1989	-11.7 C (10.9 F)
1990	-12.2 C (10.0 F)
1991	-14.4 C (6.1 F)
1992	-12.8 C (9.0 F)
1993	-17.2 C (1.0 F)
1994	-23.3 C (-9.9 F)
1995	-13.9 C (7.0 F)
1996	-25.6 C (-14.1 F)
1997	-16.1 C (3.0 F)
1998	-7.2 C (19.0 F)
1999	-11.7 C (10.9 F)
2000	-15.0 C (5.0 F)
2001	-15.6 C (3.9 F)
2002	-12.2 C (10.0 F)
2003	-16.7 C (1.9 F)
2004	-12.8 C (9.0 F)
2005	-14.4 C (6.1 F)
2006	-12.8 C (9.0 F)
2007	-16.7 C (1.9 F)
2008	-16.1 C (3.0 F)
2009	-15.0 C (5.0 F)
2010	-15.0 C (5.0 F)

Wettest day (Rx1day)

The wettest day of the year at Jefferson City, 1948 to 2010. The record is 129.5 mm (5.1 in) in 1997, marked on the chart; the median year is 58.7 mm (2.3 in).

Wettest day (Rx1day) at Jefferson City by year
Year	Wettest day (Rx1day)
1948	100.6 mm (4.0 in)
1949	43.2 mm (1.7 in)
1950	64.0 mm (2.5 in)
1951	42.2 mm (1.7 in)
1981	27.7 mm (1.1 in)
1982	64.8 mm (2.6 in)
1983	73.7 mm (2.9 in)
1984	122.4 mm (4.8 in)
1985	58.2 mm (2.3 in)
1986	67.1 mm (2.6 in)
1987	53.3 mm (2.1 in)
1988	69.1 mm (2.7 in)
1989	42.9 mm (1.7 in)
1990	64.8 mm (2.6 in)
1991	67.3 mm (2.6 in)
1992	39.4 mm (1.6 in)
1993	65.0 mm (2.6 in)
1994	126.5 mm (5.0 in)
1995	51.8 mm (2.0 in)
1996	45.0 mm (1.8 in)
1997	129.5 mm (5.1 in)
1998	67.3 mm (2.6 in)
1999	44.7 mm (1.8 in)
2000	40.1 mm (1.6 in)
2001	59.2 mm (2.3 in)
2002	106.7 mm (4.2 in)
2003	55.4 mm (2.2 in)
2004	53.8 mm (2.1 in)
2005	45.7 mm (1.8 in)
2006	82.6 mm (3.3 in)
2007	40.6 mm (1.6 in)
2008	45.0 mm (1.8 in)
2009	76.2 mm (3.0 in)
2010	40.6 mm (1.6 in)

Wettest five days (Rx5day)

The wettest five days of the year at Jefferson City, 1948 to 2010. The record is 207.7 mm (8.2 in) in 1984, marked on the chart; the median year is 89.2 mm (3.5 in).

Wettest five days (Rx5day) at Jefferson City by year
Year	Wettest five days (Rx5day)
1948	127.0 mm (5.0 in)
1949	85.7 mm (3.4 in)
1950	140.4 mm (5.5 in)
1951	73.5 mm (2.9 in)
1981	46.2 mm (1.8 in)
1982	88.2 mm (3.5 in)
1983	75.9 mm (3.0 in)
1984	207.7 mm (8.2 in)
1985	76.0 mm (3.0 in)
1986	85.8 mm (3.4 in)
1987	76.7 mm (3.0 in)
1988	81.3 mm (3.2 in)
1989	80.6 mm (3.2 in)
1990	111.8 mm (4.4 in)
1991	122.4 mm (4.8 in)
1992	65.3 mm (2.6 in)
1993	108.0 mm (4.3 in)
1994	167.1 mm (6.6 in)
1995	72.9 mm (2.9 in)
1996	90.2 mm (3.6 in)
1997	141.9 mm (5.6 in)
1998	121.9 mm (4.8 in)
1999	49.3 mm (1.9 in)
2000	91.4 mm (3.6 in)
2001	95.4 mm (3.8 in)
2002	145.0 mm (5.7 in)
2003	104.5 mm (4.1 in)
2004	103.0 mm (4.1 in)
2005	76.2 mm (3.0 in)
2006	104.5 mm (4.1 in)
2007	75.0 mm (3.0 in)
2008	80.8 mm (3.2 in)
2009	111.5 mm (4.4 in)
2010	72.8 mm (2.9 in)

Longest dry spell (CDD)

The longest dry spell of the year at Jefferson City, 1948 to 2010. The record is 28 days in 2000, marked on the chart; the median year is 18 days.

Longest dry spell (CDD) at Jefferson City by year
Year	Longest dry spell (CDD)
1948	25 days
1949	14 days
1950	17 days
1951	18 days
1981	10 days
1982	12 days
1983	13 days
1984	23 days
1985	23 days
1986	21 days
1987	19 days
1988	14 days
1989	16 days
1990	13 days
1991	17 days
1992	19 days
1993	17 days
1994	16 days
1995	14 days
1996	20 days
1997	18 days
1998	21 days
1999	22 days
2000	28 days
2001	21 days
2002	19 days
2003	12 days
2004	10 days
2005	17 days
2006	12 days
2007	25 days
2008	18 days
2009	18 days
2010	10 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.

Download the Data

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