Record envelope, standing records and threshold days for Johnsonville (USC00404673), Tennessee, United States, with 67 years of record.
Key Facts for Johnsonville
Johnsonville (USC00404673) is a weather station in Tennessee, United States at 36.00 latitude and -88.03 longitude, 128 m (420 ft) above sea level.
The station reports from 1885 to 1951, 67 years of record.
1,464 records set at Johnsonville still stand.
Records are tracked for tmax, tmin, prcp, snow, snwd: an element needs 30 years of data to be eligible.
Johnsonville set a daily record precipitation of 53.3 mm (2.1 in) on 14 November 1951.
About the Station
Location: Tennessee, United States, 36.00 latitude, -88.03 longitude.
Elevation: 128 m (420 ft).
Period of record: 1885 to 1951, 67 years.
Eligible elements: tmax, tmin, prcp, snow, snwd.
Daily Record Envelope and 2026
0 days at or beyond a record
Record highRecord low2026 daily maximum2026 daily minimum
The band shows the record high and record low for each calendar day at Johnsonville. 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 Johnsonville, 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)
-28.9 C (-20.0 F)
n/a
n/a
Feb
27.2 C (81.0 F)
-30.6 C (-23.1 F)
n/a
n/a
Mar
33.3 C (91.9 F)
-15.6 C (3.9 F)
n/a
n/a
Apr
34.4 C (93.9 F)
-5.6 C (21.9 F)
n/a
n/a
May
37.8 C (100.0 F)
-0.6 C (30.9 F)
n/a
n/a
Jun
40.6 C (105.1 F)
5.0 C (41.0 F)
n/a
n/a
Jul
43.3 C (109.9 F)
8.9 C (48.0 F)
n/a
n/a
Aug
42.8 C (109.0 F)
8.9 C (48.0 F)
n/a
n/a
Sep
42.2 C (108.0 F)
-1.1 C (30.0 F)
n/a
n/a
Oct
35.0 C (95.0 F)
-6.1 C (21.0 F)
n/a
n/a
Nov
31.1 C (88.0 F)
-14.4 C (6.1 F)
n/a
n/a
Dec
26.1 C (79.0 F)
-28.3 C (-18.9 F)
n/a
n/a
Which Years Hold Standing Records
1,464 standing records
Year with most
1,464 records at Johnsonville still stand. 1930 holds the most, with 52.
Standing records at Johnsonville by the year they were set
Year set
Standing records
1895
5
1896
45
1897
29
1898
30
1899
37
1900
27
1901
40
1902
34
1903
33
1904
18
1905
28
1906
27
1907
41
1908
22
1909
23
1910
33
1911
43
1912
28
1913
26
1914
46
1915
27
1916
27
1917
48
1918
38
1919
18
1920
20
1921
29
1922
23
1923
15
1924
45
1925
40
1926
25
1927
34
1928
25
1929
31
1930
52
1931
42
1932
42
1933
28
1934
24
1935
16
1936
29
1937
24
1938
19
1939
20
1940
33
1941
14
1942
31
1943
30
All-Time Record Progression
2 new records
2 all-time records were set at Johnsonville between 17 March 1919 and 28 July 1930. Each dot is a new record.
When Johnsonville set new all-time records
Date
Kind
Detail
1919-03-17
Record daily precipitation
Record daily precipitation 162.6 mm (6.4 in)
1930-07-28
Record high maximum temperature
Record high maximum temperature 43.3 C (109.9 F)
Wettest Day of Each Month
Mar: 162.6 mm (6.4 in)
The wettest day on record for each calendar month at Johnsonville. The most was 162.6 mm (6.4 in) on 17 March 1919.
Record daily precipitation for each month at Johnsonville
Month
Record daily precipitation (mm)
Date
Jan
140.7 mm (5.5 in)
13 January 1932
Feb
81.8 mm (3.2 in)
23 February 1925
Mar
162.6 mm (6.4 in)
17 March 1919
Apr
124.5 mm (4.9 in)
9 April 1942
May
101.3 mm (4.0 in)
20 May 1909
Jun
106.7 mm (4.2 in)
18 June 1934
Jul
118.4 mm (4.7 in)
13 July 1924
Aug
101.6 mm (4.0 in)
25 August 1950
Sep
79.2 mm (3.1 in)
7 September 1914
Oct
131.8 mm (5.2 in)
7 October 1900
Nov
125.0 mm (4.9 in)
17 November 1906
Dec
156.5 mm (6.2 in)
21 December 1926
Period of Record Coverage
1895 to 1943
Complete yearUnder 90 percent of days
49 years of record at Johnsonville, 1895 to 1943. 6 years have data for under 90 percent of days and are left out of rankings: 1895, 1897, 1901, 1905, 1924, 1943.
Cooler than the station meanWarmer than the station mean
One stripe for each of 39 complete years at Johnsonville, 1898 to 1942. Blue stripes are years cooler than the station's own mean of 15.5 C (59.9 F); red stripes are warmer. The coolest year was 1940, at 14.1 C (57.3 F), and the warmest was 1921, at 17.3 C (63.2 F). The strongest colour marks a difference of 1.9 C (3.4 F).
Annual mean temperature at Johnsonville as warming stripes, 1898 to 1942
Year
Annual mean temperature
Difference from the station mean
1898
15.5 C
+0.03 C
1899
14.8 C
-0.75 C
1900
15.5 C
-0.02 C
1903
14.5 C
-0.97 C
1904
14.7 C
-0.77 C
1906
15.2 C
-0.29 C
1907
15.5 C
0.00 C
1908
15.7 C
+0.20 C
1909
15.4 C
-0.08 C
1910
14.4 C
-1.09 C
1911
16.4 C
+0.85 C
1912
14.4 C
-1.10 C
1913
15.9 C
+0.44 C
1914
15.7 C
+0.20 C
1915
15.6 C
+0.14 C
1916
15.6 C
+0.10 C
1917
14.2 C
-1.29 C
1918
15.6 C
+0.07 C
1919
15.9 C
+0.42 C
1920
15.1 C
-0.44 C
1921
17.3 C
+1.81 C
1922
16.4 C
+0.87 C
1923
15.3 C
-0.17 C
1925
16.0 C
+0.45 C
1926
15.2 C
-0.31 C
1927
16.3 C
+0.81 C
1928
14.9 C
-0.56 C
1929
15.2 C
-0.33 C
1930
15.6 C
+0.05 C
1931
16.2 C
+0.65 C
1932
15.8 C
+0.28 C
1933
16.4 C
+0.86 C
1934
15.8 C
+0.32 C
1935
15.5 C
+0.01 C
1936
15.5 C
+0.04 C
1938
16.3 C
+0.81 C
1939
15.8 C
+0.32 C
1940
14.1 C
-1.42 C
1942
15.4 C
-0.11 C
The fitted trend in annual mean temperature here over 1898 to 1942 is 0.13 C (-0.05 to 0.30) per decade. The interval includes zero, so the trend is not clearly different from zero. In Fahrenheit: 0.2 F (-0.1 to 0.5) per decade. The slope is a straight line fitted to 39 complete years; the brackets give its 95 percent interval.
Fitted temperature trends per decade at Johnsonville
Measure
Per decade (C)
Per decade (F)
Period
Complete years
Reading
Annual mean temperature
0.13 C (-0.05 to 0.30) per decade
0.2 F (-0.1 to 0.5) per decade
1898 to 1942
39
Not clearly different from zero
Mean daily maximum
0.1 C (-0.1 to 0.3) per decade
0.1 F (-0.2 to 0.5) per decade
1898 to 1942
39
Not clearly different from zero
Mean daily minimum
0.17 C (-0.02 to 0.36) per decade
0.31 F (-0.03 to 0.65) per decade
1898 to 1942
39
Not clearly different from zero
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
1885 to 1951
Yearly extremes at Johnsonville: the record and the median year
Measure
Record
Year of the record
Median year
Years with a value
Hottest day (TXx)
43.3 C (109.9 F)
1930
37.8 C (100.0 F)
49
Coldest night (TNn)
-30.6 C (-23.1 F)
1899
-16.1 C (3.0 F)
49
Wettest day (Rx1day)
162.6 mm (6.4 in)
1919
78.3 mm (3.1 in)
62
Wettest five days (Rx5day)
291.6 mm (11.5 in)
1937
127.4 mm (5.0 in)
62
Longest dry spell (CDD)
39 days
1897
20 days
62
Hottest day (TXx)
The hottest day of the year at Johnsonville, 1885 to 1951. The record is 43.3 C (109.9 F) in 1930, marked on the chart; the median year is 37.8 C (100.0 F).
Hottest day (TXx) at Johnsonville by year
Year
Hottest day (TXx)
1885
n/a
1886
n/a
1887
n/a
1888
n/a
1889
n/a
1890
n/a
1891
n/a
1892
n/a
1893
n/a
1894
n/a
1895
21.7 C (71.1 F)
1896
38.9 C (102.0 F)
1897
37.8 C (100.0 F)
1898
36.7 C (98.1 F)
1899
38.9 C (102.0 F)
1900
37.8 C (100.0 F)
1901
41.1 C (106.0 F)
1902
39.4 C (102.9 F)
1903
37.2 C (99.0 F)
1904
36.1 C (97.0 F)
1905
36.7 C (98.1 F)
1906
38.3 C (100.9 F)
1907
38.9 C (102.0 F)
1908
37.8 C (100.0 F)
1909
38.9 C (102.0 F)
1910
37.2 C (99.0 F)
1911
40.0 C (104.0 F)
1912
37.8 C (100.0 F)
1913
39.4 C (102.9 F)
1914
40.6 C (105.1 F)
1915
38.3 C (100.9 F)
1916
37.2 C (99.0 F)
1917
36.7 C (98.1 F)
1918
41.1 C (106.0 F)
1919
37.8 C (100.0 F)
1920
36.1 C (97.0 F)
1921
37.8 C (100.0 F)
1922
38.3 C (100.9 F)
1923
34.4 C (93.9 F)
1924
36.7 C (98.1 F)
1925
42.2 C (108.0 F)
1926
39.4 C (102.9 F)
1927
36.7 C (98.1 F)
1928
35.0 C (95.0 F)
1929
36.7 C (98.1 F)
1930
43.3 C (109.9 F)
1931
40.0 C (104.0 F)
1932
37.2 C (99.0 F)
1933
37.2 C (99.0 F)
1934
38.9 C (102.0 F)
1935
40.0 C (104.0 F)
1936
40.0 C (104.0 F)
1937
37.8 C (100.0 F)
1938
36.1 C (97.0 F)
1939
37.2 C (99.0 F)
1940
38.3 C (100.9 F)
1941
37.2 C (99.0 F)
1942
37.8 C (100.0 F)
1943
40.0 C (104.0 F)
1949
n/a
1950
n/a
1951
n/a
Coldest night (TNn)
The coldest night of the year at Johnsonville, 1885 to 1951. The record is -30.6 C (-23.1 F) in 1899, marked on the chart; the median year is -16.1 C (3.0 F).
Coldest night (TNn) at Johnsonville by year
Year
Coldest night (TNn)
1885
n/a
1886
n/a
1887
n/a
1888
n/a
1889
n/a
1890
n/a
1891
n/a
1892
n/a
1893
n/a
1894
n/a
1895
-9.4 C (15.1 F)
1896
-12.8 C (9.0 F)
1897
-22.2 C (-8.0 F)
1898
-19.4 C (-2.9 F)
1899
-30.6 C (-23.1 F)
1900
-20.0 C (-4.0 F)
1901
-15.0 C (5.0 F)
1902
-16.7 C (1.9 F)
1903
-18.3 C (-0.9 F)
1904
-14.4 C (6.1 F)
1905
-20.0 C (-4.0 F)
1906
-13.3 C (8.1 F)
1907
-18.3 C (-0.9 F)
1908
-11.7 C (10.9 F)
1909
-15.6 C (3.9 F)
1910
-23.3 C (-9.9 F)
1911
-14.4 C (6.1 F)
1912
-21.7 C (-7.1 F)
1913
-11.7 C (10.9 F)
1914
-17.8 C (0.0 F)
1915
-11.1 C (12.0 F)
1916
-17.2 C (1.0 F)
1917
-28.3 C (-18.9 F)
1918
-25.0 C (-13.0 F)
1919
-15.0 C (5.0 F)
1920
-14.4 C (6.1 F)
1921
-6.7 C (19.9 F)
1922
-11.7 C (10.9 F)
1923
-11.1 C (12.0 F)
1924
-18.3 C (-0.9 F)
1925
-15.6 C (3.9 F)
1926
-12.2 C (10.0 F)
1927
-16.1 C (3.0 F)
1928
-17.8 C (0.0 F)
1929
-17.8 C (0.0 F)
1930
-21.1 C (-6.0 F)
1931
-16.1 C (3.0 F)
1932
-14.4 C (6.1 F)
1933
-19.4 C (-2.9 F)
1934
-16.1 C (3.0 F)
1935
-15.6 C (3.9 F)
1936
-18.9 C (-2.0 F)
1937
-15.6 C (3.9 F)
1938
-12.2 C (10.0 F)
1939
-10.6 C (12.9 F)
1940
-25.0 C (-13.0 F)
1941
-10.0 C (14.0 F)
1942
-28.9 C (-20.0 F)
1943
-12.8 C (9.0 F)
1949
n/a
1950
n/a
1951
n/a
Wettest day (Rx1day)
The wettest day of the year at Johnsonville, 1885 to 1951. The record is 162.6 mm (6.4 in) in 1919, marked on the chart; the median year is 78.3 mm (3.1 in).
Wettest day (Rx1day) at Johnsonville by year
Year
Wettest day (Rx1day)
1885
27.4 mm (1.1 in)
1886
77.0 mm (3.0 in)
1887
49.8 mm (2.0 in)
1888
31.2 mm (1.2 in)
1889
63.5 mm (2.5 in)
1890
62.2 mm (2.4 in)
1891
63.5 mm (2.5 in)
1892
97.0 mm (3.8 in)
1893
75.2 mm (3.0 in)
1894
44.2 mm (1.7 in)
1895
41.1 mm (1.6 in)
1896
118.4 mm (4.7 in)
1897
41.9 mm (1.6 in)
1898
85.9 mm (3.4 in)
1899
64.3 mm (2.5 in)
1900
131.8 mm (5.2 in)
1901
62.7 mm (2.5 in)
1902
87.9 mm (3.5 in)
1903
60.5 mm (2.4 in)
1904
74.4 mm (2.9 in)
1905
93.5 mm (3.7 in)
1906
125.0 mm (4.9 in)
1907
88.4 mm (3.5 in)
1908
53.8 mm (2.1 in)
1909
101.3 mm (4.0 in)
1910
60.5 mm (2.4 in)
1911
75.9 mm (3.0 in)
1912
48.3 mm (1.9 in)
1913
101.6 mm (4.0 in)
1914
101.1 mm (4.0 in)
1915
76.7 mm (3.0 in)
1916
79.5 mm (3.1 in)
1917
46.5 mm (1.8 in)
1918
58.7 mm (2.3 in)
1919
162.6 mm (6.4 in)
1920
76.7 mm (3.0 in)
1921
82.8 mm (3.3 in)
1922
80.3 mm (3.2 in)
1923
83.8 mm (3.3 in)
1924
132.1 mm (5.2 in)
1925
81.8 mm (3.2 in)
1926
156.5 mm (6.2 in)
1927
89.9 mm (3.5 in)
1928
83.3 mm (3.3 in)
1929
61.0 mm (2.4 in)
1930
63.5 mm (2.5 in)
1931
96.5 mm (3.8 in)
1932
140.7 mm (5.5 in)
1933
57.9 mm (2.3 in)
1934
106.7 mm (4.2 in)
1935
119.6 mm (4.7 in)
1936
99.1 mm (3.9 in)
1937
97.5 mm (3.8 in)
1938
65.3 mm (2.6 in)
1939
64.0 mm (2.5 in)
1940
45.5 mm (1.8 in)
1941
69.9 mm (2.8 in)
1942
124.5 mm (4.9 in)
1943
58.4 mm (2.3 in)
1949
90.2 mm (3.6 in)
1950
101.6 mm (4.0 in)
1951
80.5 mm (3.2 in)
Wettest five days (Rx5day)
The wettest five days of the year at Johnsonville, 1885 to 1951. The record is 291.6 mm (11.5 in) in 1937, marked on the chart; the median year is 127.4 mm (5.0 in).
Wettest five days (Rx5day) at Johnsonville by year
Year
Wettest five days (Rx5day)
1885
61.0 mm (2.4 in)
1886
113.6 mm (4.5 in)
1887
93.8 mm (3.7 in)
1888
104.9 mm (4.1 in)
1889
126.7 mm (5.0 in)
1890
130.0 mm (5.1 in)
1891
99.1 mm (3.9 in)
1892
150.8 mm (5.9 in)
1893
145.9 mm (5.7 in)
1894
60.9 mm (2.4 in)
1895
65.7 mm (2.6 in)
1896
178.6 mm (7.0 in)
1897
66.3 mm (2.6 in)
1898
136.0 mm (5.4 in)
1899
137.0 mm (5.4 in)
1900
151.4 mm (6.0 in)
1901
126.2 mm (5.0 in)
1902
158.0 mm (6.2 in)
1903
141.3 mm (5.6 in)
1904
139.7 mm (5.5 in)
1905
119.4 mm (4.7 in)
1906
265.7 mm (10.5 in)
1907
128.1 mm (5.0 in)
1908
112.2 mm (4.4 in)
1909
109.2 mm (4.3 in)
1910
104.0 mm (4.1 in)
1911
155.4 mm (6.1 in)
1912
103.0 mm (4.1 in)
1913
150.9 mm (5.9 in)
1914
167.0 mm (6.6 in)
1915
130.6 mm (5.1 in)
1916
128.5 mm (5.1 in)
1917
84.3 mm (3.3 in)
1918
118.9 mm (4.7 in)
1919
180.6 mm (7.1 in)
1920
124.0 mm (4.9 in)
1921
144.2 mm (5.7 in)
1922
144.3 mm (5.7 in)
1923
102.1 mm (4.0 in)
1924
181.3 mm (7.1 in)
1925
109.2 mm (4.3 in)
1926
242.3 mm (9.5 in)
1927
170.2 mm (6.7 in)
1928
194.1 mm (7.6 in)
1929
90.4 mm (3.6 in)
1930
114.8 mm (4.5 in)
1931
122.4 mm (4.8 in)
1932
176.5 mm (6.9 in)
1933
136.1 mm (5.4 in)
1934
107.5 mm (4.2 in)
1935
232.1 mm (9.1 in)
1936
119.2 mm (4.7 in)
1937
291.6 mm (11.5 in)
1938
139.4 mm (5.5 in)
1939
122.5 mm (4.8 in)
1940
61.5 mm (2.4 in)
1941
80.1 mm (3.2 in)
1942
159.5 mm (6.3 in)
1943
95.7 mm (3.8 in)
1949
195.9 mm (7.7 in)
1950
124.9 mm (4.9 in)
1951
109.5 mm (4.3 in)
Longest dry spell (CDD)
The longest dry spell of the year at Johnsonville, 1885 to 1951. The record is 39 days in 1897, marked on the chart; the median year is 20 days.
Longest dry spell (CDD) at Johnsonville by year
Year
Longest dry spell (CDD)
1885
9 days
1886
12 days
1887
14 days
1888
10 days
1889
33 days
1890
29 days
1891
32 days
1892
14 days
1893
36 days
1894
24 days
1895
19 days
1896
15 days
1897
39 days
1898
19 days
1899
13 days
1900
23 days
1901
21 days
1902
17 days
1903
24 days
1904
22 days
1905
18 days
1906
20 days
1907
18 days
1908
35 days
1909
30 days
1910
22 days
1911
18 days
1912
19 days
1913
19 days
1914
24 days
1915
20 days
1916
17 days
1917
17 days
1918
16 days
1919
20 days
1920
17 days
1921
23 days
1922
15 days
1923
16 days
1924
33 days
1925
23 days
1926
16 days
1927
21 days
1928
32 days
1929
22 days
1930
23 days
1931
20 days
1932
14 days
1933
17 days
1934
16 days
1935
18 days
1936
23 days
1937
11 days
1938
33 days
1939
36 days
1940
24 days
1941
20 days
1942
20 days
1943
25 days
1949
13 days
1950
16 days
1951
28 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
39 years with a frost
Across 39 years with a frost, the median last spring frost at Johnsonville falls on 12 April and the median first autumn frost on 23 October, which leaves a median of 192 days between them.
Fitted over all years, the growing season changes by -0.1 days per decade at this station.
Frost dates and growing season at Johnsonville
Measure
Median, all years
Earliest period
Recent period (1910 to 1942)
Recent against earliest
Fitted trend
Last spring frost
12 April
n/a
12 April
n/a
+0.9 days per decade
First autumn frost
23 October
n/a
24 October
n/a
+0.8 days per decade
Growing days
192 days
n/a
196 days
n/a
-0.1 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.
Rainfall Return Levels
54 years, 1890 to 1950
A day with at least 79.8 mm (3.1 in) of rain is expected about once in 2 years. A day with at least 175.7 mm (6.9 in) of rain is expected about once in 100 years.
Rainfall return levels at Johnsonville: the daily rain expected about once in a given number of years
Expected about once in
A day with at least
Note
2 years
79.8 mm (3.1 in)
5 years
106.2 mm (4.2 in)
10 years
123.4 mm (4.9 in)
25 years
144.8 mm (5.7 in)
50 years
160.4 mm (6.3 in)
100 years
175.7 mm (6.9 in)
Longer than the 54 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, 54 years of values from 1890 to 1950.
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: 162.6 mm (6.4 in) in 1919; 156.5 mm (6.2 in) in 1926; 140.7 mm (5.5 in) in 1932.
Download the Data
Data for Johnsonville standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Johnsonville 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.