Smyrna AP Weather Records (USW00013827)

Record envelope, standing records and threshold days for Smyrna AP (USW00013827), Tennessee, United States, with 78 years of record.

Key Facts for Smyrna AP

Smyrna AP (USW00013827) is a weather station in Tennessee, United States at 36.01 latitude and -86.52 longitude, 166 m (543 ft) above sea level.
The station reports from 1949 to 2026, 78 years of record.
1,464 records set at Smyrna AP 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, 36.01 latitude, -86.52 longitude.
Elevation: 166 m (543 ft).
Period of record: 1949 to 2026, 78 years.
Eligible elements: none yet.

Daily Record Envelope and 2026

26 days at or beyond a record

The band shows the record high and record low for each calendar day at Smyrna AP. The lines show the 2026 daily maximum and minimum. 26 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.

Daily record high and record low at Smyrna AP, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	26.1 C (79.0 F)	-25.0 C (-13.0 F)	17.8 C (64.0 F)	-15.6 C (3.9 F)
Feb	27.8 C (82.0 F)	-23.9 C (-11.0 F)	25.6 C (78.1 F)	-11.1 C (12.0 F)
Mar	28.9 C (84.0 F)	-13.9 C (7.0 F)	26.7 C (80.1 F)	-4.4 C (24.1 F)
Apr	31.1 C (88.0 F)	-3.9 C (25.0 F)	30.6 C (87.1 F)	-1.1 C (30.0 F)
May	34.4 C (93.9 F)	-0.6 C (30.9 F)	30.0 C (86.0 F)	8.9 C (48.0 F)
Jun	40.0 C (104.0 F)	3.3 C (37.9 F)	35.6 C (96.1 F)	13.9 C (57.0 F)
Jul	41.7 C (107.1 F)	10.0 C (50.0 F)	36.1 C (97.0 F)	20.0 C (68.0 F)
Aug	39.4 C (102.9 F)	8.9 C (48.0 F)	36.1 C (97.0 F)	11.7 C (53.1 F)
Sep	40.0 C (104.0 F)	2.2 C (36.0 F)	33.3 C (91.9 F)	10.0 C (50.0 F)
Oct	33.9 C (93.0 F)	-4.4 C (24.1 F)	30.6 C (87.1 F)	2.0 C (35.6 F)
Nov	28.9 C (84.0 F)	-18.3 C (-0.9 F)	23.9 C (75.0 F)	-5.0 C (23.0 F)
Dec	24.4 C (75.9 F)	-23.3 C (-9.9 F)	22.2 C (72.0 F)	-11.7 C (10.9 F)

Which Years Hold Standing Records

1,464 standing records

1,464 records at Smyrna AP still stand. 1952 holds the most, with 119.

Standing records at Smyrna AP by the year they were set
Year set	Standing records
1949	48
1950	79
1951	94
1952	119
1953	74
1954	88
1955	77
1956	54
1957	46
1958	50
1959	39
1960	65
1961	55
1962	73
1963	80
1964	43
1965	55
1966	72
1967	99
1968	44
1969	36
1970	19
2025	55

Wettest Day of Each Month

Aug: 108.2 mm (4.3 in)

The wettest day on record for each calendar month at Smyrna AP. The most was 108.2 mm (4.3 in) on 28 August 1963.

Record daily precipitation for each month at Smyrna AP
Month	Record daily precipitation (mm)	Date
Jan	90.2 mm (3.6 in)	29 January 1956
Feb	81.8 mm (3.2 in)	27 February 1962
Mar	96.5 mm (3.8 in)	11 March 1963
Apr	52.3 mm (2.1 in)	11 April 1962
May	60.7 mm (2.4 in)	27 May 1964
Jun	107.2 mm (4.2 in)	17 June 1960
Jul	53.6 mm (2.1 in)	12 July 1949
Aug	108.2 mm (4.3 in)	28 August 1963
Sep	82.3 mm (3.2 in)	20 September 1958
Oct	55.1 mm (2.2 in)	23 October 1951
Nov	50.3 mm (2.0 in)	17 November 1957
Dec	80.5 mm (3.2 in)	14 December 1951

Period of Record Coverage

1949 to 2025

23 years of record at Smyrna AP, 1949 to 2025. 2 years have data for under 90 percent of days and are left out of rankings: 1949, 1970.

Days with data per year at Smyrna AP
Year	Days with data	Share of year	Complete
1949	303	83%	No
1950	363	99%	Yes
1951	364	100%	Yes
1952	366	100%	Yes
1953	365	100%	Yes
1954	365	100%	Yes
1955	365	100%	Yes
1956	365	100%	Yes
1957	365	100%	Yes
1958	365	100%	Yes
1959	364	100%	Yes
1960	366	100%	Yes
1961	365	100%	Yes
1962	363	99%	Yes
1963	365	100%	Yes
1964	361	99%	Yes
1965	363	99%	Yes
1966	362	99%	Yes
1967	363	99%	Yes
1968	361	99%	Yes
1969	333	91%	Yes
1970	90	25%	No
2025	342	94%	Yes

Latest Records

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

Climate Trend

19 complete years, 1950 to 1968

One stripe for each of 19 complete years at Smyrna AP, 1950 to 1968. Blue stripes are years cooler than the station's own mean of 14.8 C (58.6 F); red stripes are warmer. The coolest year was 1966, at 13.4 C (56.0 F), and the warmest was 1954, at 16.2 C (61.2 F). The strongest colour marks a difference of 1.5 C (2.7 F).

Annual mean temperature at Smyrna AP as warming stripes, 1950 to 1968
Year	Annual mean temperature	Difference from the station mean
1950	14.8 C	-0.05 C
1951	15.4 C	+0.61 C
1952	15.9 C	+1.08 C
1953	16.1 C	+1.33 C
1954	16.2 C	+1.42 C
1955	15.6 C	+0.78 C
1956	16.1 C	+1.26 C
1957	15.8 C	+0.97 C
1958	14.2 C	-0.63 C
1959	15.5 C	+0.69 C
1960	14.4 C	-0.43 C
1961	14.4 C	-0.45 C
1962	14.2 C	-0.57 C
1963	13.4 C	-1.41 C
1964	14.3 C	-0.52 C
1965	14.4 C	-0.43 C
1966	13.4 C	-1.44 C
1967	13.7 C	-1.09 C
1968	13.8 C	-1.04 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

1949 to 2026

Yearly extremes at Smyrna AP: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	41.7 C (107.1 F)	1952	36.4 C (97.5 F)	24
Coldest night (TNn)	-25.0 C (-13.0 F)	1963	-15.6 C (3.9 F)	24
Wettest day (Rx1day)	108.2 mm (4.3 in)	1963	62.7 mm (2.5 in)	23
Wettest five days (Rx5day)	176.1 mm (6.9 in)	1962	105.4 mm (4.1 in)	23
Longest dry spell (CDD)	33 days	1963	20 days	23

Hottest day (TXx)

The hottest day of the year at Smyrna AP, 1949 to 2026. The record is 41.7 C (107.1 F) in 1952, marked on the chart; the median year is 36.4 C (97.5 F).

Hottest day (TXx) at Smyrna AP by year
Year	Hottest day (TXx)
1949	35.0 C (95.0 F)
1950	34.4 C (93.9 F)
1951	39.4 C (102.9 F)
1952	41.7 C (107.1 F)
1953	37.8 C (100.0 F)
1954	40.0 C (104.0 F)
1955	36.1 C (97.0 F)
1956	37.2 C (99.0 F)
1957	37.2 C (99.0 F)
1958	35.6 C (96.1 F)
1959	35.6 C (96.1 F)
1960	36.1 C (97.0 F)
1961	33.3 C (91.9 F)
1962	37.8 C (100.0 F)
1963	36.1 C (97.0 F)
1964	36.7 C (98.1 F)
1965	36.1 C (97.0 F)
1966	37.2 C (99.0 F)
1967	33.3 C (91.9 F)
1968	37.2 C (99.0 F)
1969	36.7 C (98.1 F)
1970	22.2 C (72.0 F)
2025	36.1 C (97.0 F)
2026	38.3 C (100.9 F)

Coldest night (TNn)

The coldest night of the year at Smyrna AP, 1949 to 2026. The record is -25.0 C (-13.0 F) in 1963, marked on the chart; the median year is -15.6 C (3.9 F).

Coldest night (TNn) at Smyrna AP by year
Year	Coldest night (TNn)
1949	-12.2 C (10.0 F)
1950	-18.3 C (-0.9 F)
1951	-23.9 C (-11.0 F)
1952	-10.0 C (14.0 F)
1953	-13.3 C (8.1 F)
1954	-11.1 C (12.0 F)
1955	-13.9 C (7.0 F)
1956	-10.0 C (14.0 F)
1957	-12.8 C (9.0 F)
1958	-18.9 C (-2.0 F)
1959	-16.7 C (1.9 F)
1960	-14.4 C (6.1 F)
1961	-16.1 C (3.0 F)
1962	-23.3 C (-9.9 F)
1963	-25.0 C (-13.0 F)
1964	-13.3 C (8.1 F)
1965	-18.3 C (-0.9 F)
1966	-22.8 C (-9.0 F)
1967	-15.6 C (3.9 F)
1968	-13.9 C (7.0 F)
1969	-15.6 C (3.9 F)
1970	-20.0 C (-4.0 F)
2025	-15.6 C (3.9 F)
2026	-13.9 C (7.0 F)

Wettest day (Rx1day)

The wettest day of the year at Smyrna AP, 1949 to 2026. The record is 108.2 mm (4.3 in) in 1963, marked on the chart; the median year is 62.7 mm (2.5 in).

Wettest day (Rx1day) at Smyrna AP by year
Year	Wettest day (Rx1day)
1949	62.0 mm (2.4 in)
1950	68.8 mm (2.7 in)
1951	80.5 mm (3.2 in)
1952	65.5 mm (2.6 in)
1953	44.5 mm (1.8 in)
1954	78.2 mm (3.1 in)
1955	87.6 mm (3.4 in)
1956	90.2 mm (3.6 in)
1957	62.7 mm (2.5 in)
1958	82.3 mm (3.2 in)
1959	39.1 mm (1.5 in)
1960	107.2 mm (4.2 in)
1961	55.1 mm (2.2 in)
1962	81.8 mm (3.2 in)
1963	108.2 mm (4.3 in)
1964	60.7 mm (2.4 in)
1965	58.4 mm (2.3 in)
1966	70.9 mm (2.8 in)
1967	62.2 mm (2.4 in)
1968	44.5 mm (1.8 in)
1969	42.9 mm (1.7 in)
1970	26.2 mm (1.0 in)
2025	n/a
2026	5.8 mm (0.23 in)

Wettest five days (Rx5day)

The wettest five days of the year at Smyrna AP, 1949 to 2026. The record is 176.1 mm (6.9 in) in 1962, marked on the chart; the median year is 105.4 mm (4.1 in).

Wettest five days (Rx5day) at Smyrna AP by year
Year	Wettest five days (Rx5day)
1949	142.4 mm (5.6 in)
1950	149.5 mm (5.9 in)
1951	114.8 mm (4.5 in)
1952	77.7 mm (3.1 in)
1953	77.8 mm (3.1 in)
1954	108.9 mm (4.3 in)
1955	156.7 mm (6.2 in)
1956	143.3 mm (5.6 in)
1957	146.8 mm (5.8 in)
1958	105.4 mm (4.1 in)
1959	67.0 mm (2.6 in)
1960	170.2 mm (6.7 in)
1961	76.3 mm (3.0 in)
1962	176.1 mm (6.9 in)
1963	131.5 mm (5.2 in)
1964	101.6 mm (4.0 in)
1965	114.3 mm (4.5 in)
1966	95.1 mm (3.7 in)
1967	104.7 mm (4.1 in)
1968	72.7 mm (2.9 in)
1969	94.7 mm (3.7 in)
1970	94.7 mm (3.7 in)
2025	n/a
2026	14.4 mm (0.6 in)

Longest dry spell (CDD)

The longest dry spell of the year at Smyrna AP, 1949 to 2026. The record is 33 days in 1963, marked on the chart; the median year is 20 days.

Longest dry spell (CDD) at Smyrna AP by year
Year	Longest dry spell (CDD)
1949	21 days
1950	16 days
1951	25 days
1952	30 days
1953	31 days
1954	19 days
1955	17 days
1956	25 days
1957	21 days
1958	20 days
1959	25 days
1960	17 days
1961	16 days
1962	27 days
1963	33 days
1964	22 days
1965	19 days
1966	15 days
1967	19 days
1968	20 days
1969	16 days
1970	8 days
2025	n/a
2026	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 Smyrna AP standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Smyrna 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 2026-10-17 (17 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).