Johnson City Weather Records (USC00404657)

Record envelope, standing records and threshold days for Johnson City (USC00404657), Tennessee, United States, with 58 years of record.

Key Facts for Johnson City

Johnson City (USC00404657) is a weather station in Tennessee, United States at 36.32 latitude and -82.37 longitude, 525 m (1,722 ft) above sea level.
The station reports from 1893 to 1950, 58 years of record.
1,464 records set at Johnson City 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, 36.32 latitude, -82.37 longitude.
Elevation: 525 m (1,722 ft).
Period of record: 1893 to 1950, 58 years.
Eligible elements: none yet.

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 Johnson 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 Johnson City, 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)	-21.7 C (-7.1 F)	n/a	n/a
Feb	26.7 C (80.1 F)	-19.4 C (-2.9 F)	n/a	n/a
Mar	31.1 C (88.0 F)	-17.2 C (1.0 F)	n/a	n/a
Apr	34.4 C (93.9 F)	-8.9 C (16.0 F)	n/a	n/a
May	36.7 C (98.1 F)	-0.6 C (30.9 F)	n/a	n/a
Jun	40.0 C (104.0 F)	5.0 C (41.0 F)	n/a	n/a
Jul	40.6 C (105.1 F)	8.9 C (48.0 F)	n/a	n/a
Aug	38.3 C (100.9 F)	7.2 C (45.0 F)	n/a	n/a
Sep	38.3 C (100.9 F)	0.0 C (32.0 F)	n/a	n/a
Oct	34.4 C (93.9 F)	-7.8 C (18.0 F)	n/a	n/a
Nov	28.3 C (82.9 F)	-16.1 C (3.0 F)	n/a	n/a
Dec	23.9 C (75.0 F)	-30.6 C (-23.1 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Johnson City still stand. 1917 holds the most, with 107.

Standing records at Johnson City by the year they were set
Year set	Standing records
1893	34
1894	12
1911	82
1912	62
1913	90
1914	96
1915	61
1916	78
1917	107
1918	56
1919	51
1920	64
1921	46
1922	33
1923	28
1924	45
1925	60
1926	45
1927	66
1928	78
1929	65
1930	68
1931	13
1944	6
1945	22
1948	21
1949	59
1950	16

Wettest Day of Each Month

Sep: 95.3 mm (3.8 in)

The wettest day on record for each calendar month at Johnson City. The most was 95.3 mm (3.8 in) on 4 September 1922.

Record daily precipitation for each month at Johnson City
Month	Record daily precipitation (mm)	Date
Jan	48.8 mm (1.9 in)	2 January 1919
Feb	53.3 mm (2.1 in)	23 February 1927
Mar	54.6 mm (2.1 in)	14 March 1913
Apr	49.3 mm (1.9 in)	2 April 1920
May	73.7 mm (2.9 in)	19 May 1928
Jun	55.9 mm (2.2 in)	29 June 1928
Jul	67.1 mm (2.6 in)	20 July 1921
Aug	54.9 mm (2.2 in)	14 August 1919
Sep	95.3 mm (3.8 in)	4 September 1922
Oct	53.3 mm (2.1 in)	22 October 1929
Nov	45.7 mm (1.8 in)	13 November 1915
Dec	43.2 mm (1.7 in)	15 December 1922

Period of Record Coverage

1893 to 1950

28 years of record at Johnson City, 1893 to 1950. 12 years have data for under 90 percent of days and are left out of rankings: 1893, 1894, 1918, 1922, 1923, 1925, 1931, 1944 and others.

Days with data per year at Johnson City
Year	Days with data	Share of year	Complete
1893	177	48%	No
1894	60	16%	No
1911	350	96%	Yes
1912	365	100%	Yes
1913	361	99%	Yes
1914	365	100%	Yes
1915	363	99%	Yes
1916	357	98%	Yes
1917	361	99%	Yes
1918	272	75%	No
1919	360	99%	Yes
1920	363	99%	Yes
1921	358	98%	Yes
1922	302	83%	No
1923	211	58%	No
1924	357	98%	Yes
1925	289	79%	No
1926	364	100%	Yes
1927	362	99%	Yes
1928	360	98%	Yes
1929	349	96%	Yes
1930	340	93%	Yes
1931	158	43%	No
1944	61	17%	No
1945	90	25%	No
1948	102	28%	No
1949	320	88%	No
1950	24	7%	No

Latest Records

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

Climate Trend

15 complete years, 1911 to 1949

One stripe for each of 15 complete years at Johnson City, 1911 to 1949. Blue stripes are years cooler than the station's own mean of 14.1 C (57.4 F); red stripes are warmer. The coolest year was 1917, at 12.3 C (54.2 F), and the warmest was 1949, at 16.1 C (60.9 F). The strongest colour marks a difference of 2.0 C (3.6 F).

Annual mean temperature at Johnson City as warming stripes, 1911 to 1949
Year	Annual mean temperature	Difference from the station mean
1911	14.9 C	+0.81 C
1912	13.0 C	-1.14 C
1913	14.3 C	+0.16 C
1914	13.8 C	-0.32 C
1915	13.7 C	-0.45 C
1916	13.8 C	-0.31 C
1917	12.3 C	-1.78 C
1919	14.5 C	+0.40 C
1920	13.3 C	-0.83 C
1921	15.3 C	+1.15 C
1926	14.4 C	+0.28 C
1927	14.8 C	+0.68 C
1928	13.7 C	-0.38 C
1929	13.9 C	-0.23 C
1949	16.1 C	+1.94 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

1893 to 1950

Yearly extremes at Johnson City: 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)	1926	35.3 C (95.5 F)	28
Coldest night (TNn)	-30.6 C (-23.1 F)	1917	-15.0 C (5.0 F)	28
Wettest day (Rx1day)	95.3 mm (3.8 in)	1922	45.7 mm (1.8 in)	29
Wettest five days (Rx5day)	131.4 mm (5.2 in)	1928	76.4 mm (3.0 in)	29
Longest dry spell (CDD)	27 days	1914	16 days	29

Hottest day (TXx)

The hottest day of the year at Johnson City, 1893 to 1950. The record is 40.6 C (105.1 F) in 1926, marked on the chart; the median year is 35.3 C (95.5 F).

Hottest day (TXx) at Johnson City by year
Year	Hottest day (TXx)
1893	35.0 C (95.0 F)
1894	30.0 C (86.0 F)
1910	n/a
1911	38.3 C (100.9 F)
1912	34.4 C (93.9 F)
1913	38.3 C (100.9 F)
1914	40.0 C (104.0 F)
1915	35.0 C (95.0 F)
1916	35.6 C (96.1 F)
1917	35.6 C (96.1 F)
1918	36.1 C (97.0 F)
1919	35.6 C (96.1 F)
1920	32.8 C (91.0 F)
1921	35.0 C (95.0 F)
1922	34.4 C (93.9 F)
1923	29.4 C (84.9 F)
1924	36.1 C (97.0 F)
1925	37.8 C (100.0 F)
1926	40.6 C (105.1 F)
1927	36.1 C (97.0 F)
1928	33.3 C (91.9 F)
1929	33.3 C (91.9 F)
1930	36.7 C (98.1 F)
1931	36.1 C (97.0 F)
1944	23.3 C (73.9 F)
1945	30.0 C (86.0 F)
1948	36.1 C (97.0 F)
1949	35.0 C (95.0 F)
1950	26.1 C (79.0 F)

Coldest night (TNn)

The coldest night of the year at Johnson City, 1893 to 1950. The record is -30.6 C (-23.1 F) in 1917, marked on the chart; the median year is -15.0 C (5.0 F).

Coldest night (TNn) at Johnson City by year
Year	Coldest night (TNn)
1893	-2.8 C (27.0 F)
1894	-8.9 C (16.0 F)
1910	n/a
1911	-11.1 C (12.0 F)
1912	-19.4 C (-2.9 F)
1913	-10.6 C (12.9 F)
1914	-15.6 C (3.9 F)
1915	-7.8 C (18.0 F)
1916	-18.3 C (-0.9 F)
1917	-30.6 C (-23.1 F)
1918	-21.7 C (-7.1 F)
1919	-17.8 C (0.0 F)
1920	-18.3 C (-0.9 F)
1921	-8.3 C (17.1 F)
1922	-14.4 C (6.1 F)
1923	-13.3 C (8.1 F)
1924	-14.4 C (6.1 F)
1925	-17.8 C (0.0 F)
1926	-17.2 C (1.0 F)
1927	-16.7 C (1.9 F)
1928	-19.4 C (-2.9 F)
1929	-16.1 C (3.0 F)
1930	-15.6 C (3.9 F)
1931	-17.2 C (1.0 F)
1944	-12.8 C (9.0 F)
1945	-10.6 C (12.9 F)
1948	-12.2 C (10.0 F)
1949	-8.9 C (16.0 F)
1950	-1.7 C (28.9 F)

Wettest day (Rx1day)

The wettest day of the year at Johnson City, 1893 to 1950. The record is 95.3 mm (3.8 in) in 1922, marked on the chart; the median year is 45.7 mm (1.8 in).

Wettest day (Rx1day) at Johnson City by year
Year	Wettest day (Rx1day)
1893	47.0 mm (1.9 in)
1894	18.5 mm (0.7 in)
1910	51.6 mm (2.0 in)
1911	30.5 mm (1.2 in)
1912	43.2 mm (1.7 in)
1913	54.6 mm (2.1 in)
1914	42.7 mm (1.7 in)
1915	45.7 mm (1.8 in)
1916	50.8 mm (2.0 in)
1917	40.6 mm (1.6 in)
1918	51.6 mm (2.0 in)
1919	54.9 mm (2.2 in)
1920	49.3 mm (1.9 in)
1921	67.1 mm (2.6 in)
1922	95.3 mm (3.8 in)
1923	35.6 mm (1.4 in)
1924	37.8 mm (1.5 in)
1925	33.8 mm (1.3 in)
1926	40.6 mm (1.6 in)
1927	53.3 mm (2.1 in)
1928	73.7 mm (2.9 in)
1929	53.3 mm (2.1 in)
1930	34.3 mm (1.4 in)
1931	48.3 mm (1.9 in)
1944	38.1 mm (1.5 in)
1945	27.9 mm (1.1 in)
1948	33.5 mm (1.3 in)
1949	55.4 mm (2.2 in)
1950	10.2 mm (0.4 in)

Wettest five days (Rx5day)

The wettest five days of the year at Johnson City, 1893 to 1950. The record is 131.4 mm (5.2 in) in 1928, marked on the chart; the median year is 76.4 mm (3.0 in).

Wettest five days (Rx5day) at Johnson City by year
Year	Wettest five days (Rx5day)
1893	88.9 mm (3.5 in)
1894	30.5 mm (1.2 in)
1910	79.7 mm (3.1 in)
1911	61.2 mm (2.4 in)
1912	72.1 mm (2.8 in)
1913	104.2 mm (4.1 in)
1914	60.0 mm (2.4 in)
1915	74.1 mm (2.9 in)
1916	90.2 mm (3.6 in)
1917	117.1 mm (4.6 in)
1918	99.6 mm (3.9 in)
1919	124.5 mm (4.9 in)
1920	90.7 mm (3.6 in)
1921	97.6 mm (3.8 in)
1922	108.3 mm (4.3 in)
1923	71.1 mm (2.8 in)
1924	70.2 mm (2.8 in)
1925	76.4 mm (3.0 in)
1926	68.9 mm (2.7 in)
1927	118.9 mm (4.7 in)
1928	131.4 mm (5.2 in)
1929	106.7 mm (4.2 in)
1930	71.9 mm (2.8 in)
1931	74.2 mm (2.9 in)
1944	47.7 mm (1.9 in)
1945	72.9 mm (2.9 in)
1948	53.0 mm (2.1 in)
1949	127.5 mm (5.0 in)
1950	10.8 mm (0.4 in)

Longest dry spell (CDD)

The longest dry spell of the year at Johnson City, 1893 to 1950. The record is 27 days in 1914, marked on the chart; the median year is 16 days.

Longest dry spell (CDD) at Johnson City by year
Year	Longest dry spell (CDD)
1893	22 days
1894	16 days
1910	17 days
1911	16 days
1912	17 days
1913	18 days
1914	27 days
1915	23 days
1916	17 days
1917	13 days
1918	14 days
1919	12 days
1920	26 days
1921	15 days
1922	23 days
1923	18 days
1924	25 days
1925	13 days
1926	15 days
1927	21 days
1928	14 days
1929	15 days
1930	23 days
1931	20 days
1944	6 days
1945	11 days
1948	9 days
1949	16 days
1950	2 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 Johnson City standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Johnson 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).