Record envelope, standing records and threshold days for Jefferson City Evap (USC00404609), Tennessee, United States, with 72 years of record.
Key Facts for Jefferson City Evap
Jefferson City Evap (USC00404609) is a weather station in Tennessee, United States at 36.12 latitude and -83.50 longitude, 366 m (1,201 ft) above sea level.
The station reports from 1910 to 1981, 72 years of record.
1,464 records set at Jefferson City Evap still stand.
Records are tracked for prcp, snow, snwd: an element needs 30 years of data to be eligible.
Jefferson City Evap set a daily record precipitation of 27.9 mm (1.1 in) on 21 August 1981.
About the Station
Location: Tennessee, United States, 36.12 latitude, -83.50 longitude.
Elevation: 366 m (1,201 ft).
Period of record: 1910 to 1981, 72 years.
Eligible elements: 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 Jefferson City Evap. 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 Evap, with 2026 drawn through them
Month
Highest record high
Lowest record low
2026 highest maximum
2026 lowest minimum
Jan
23.9 C (75.0 F)
-23.9 C (-11.0 F)
n/a
n/a
Feb
28.3 C (82.9 F)
-20.0 C (-4.0 F)
n/a
n/a
Mar
29.4 C (84.9 F)
-18.9 C (-2.0 F)
n/a
n/a
Apr
32.2 C (90.0 F)
-6.1 C (21.0 F)
n/a
n/a
May
33.3 C (91.9 F)
-1.1 C (30.0 F)
n/a
n/a
Jun
38.3 C (100.9 F)
4.4 C (39.9 F)
n/a
n/a
Jul
38.3 C (100.9 F)
7.8 C (46.0 F)
n/a
n/a
Aug
36.7 C (98.1 F)
7.2 C (45.0 F)
n/a
n/a
Sep
39.4 C (102.9 F)
0.6 C (33.1 F)
n/a
n/a
Oct
33.9 C (93.0 F)
-5.6 C (21.9 F)
n/a
n/a
Nov
27.8 C (82.0 F)
-12.8 C (9.0 F)
n/a
n/a
Dec
24.4 C (75.9 F)
-22.2 C (-8.0 F)
n/a
n/a
Which Years Hold Standing Records
1,464 standing records
Year with most
1,464 records at Jefferson City Evap still stand. 1954 holds the most, with 99.
Standing records at Jefferson City Evap by the year they were set
Year set
Standing records
1953
96
1954
99
1955
72
1956
59
1957
65
1958
41
1959
50
1960
48
1961
59
1962
54
1963
58
1964
40
1965
45
1966
48
1967
56
1968
40
1969
27
1970
42
1971
46
1972
43
1973
28
1974
43
1975
31
1976
53
1977
91
1978
52
1979
27
1980
51
Wettest Day of Each Month
Aug: 101.6 mm (4.0 in)
The wettest day on record for each calendar month at Jefferson City Evap. The most was 101.6 mm (4.0 in) on 15 August 1919.
Record daily precipitation for each month at Jefferson City Evap
Month
Record daily precipitation (mm)
Date
Jan
49.5 mm (1.9 in)
16 January 1954
Feb
54.6 mm (2.1 in)
8 February 1911
Mar
98.0 mm (3.9 in)
12 March 1963
Apr
59.9 mm (2.4 in)
28 April 1971
May
61.5 mm (2.4 in)
28 May 1973
Jun
93.2 mm (3.7 in)
29 June 1928
Jul
77.5 mm (3.1 in)
27 July 1968
Aug
101.6 mm (4.0 in)
15 August 1919
Sep
75.2 mm (3.0 in)
17 September 1962
Oct
59.2 mm (2.3 in)
16 October 1974
Nov
62.5 mm (2.5 in)
10 November 1979
Dec
99.8 mm (3.9 in)
10 December 1972
Period of Record Coverage
1953 to 1980
Complete yearUnder 90 percent of days
28 years of record at Jefferson City Evap, 1953 to 1980. 2 years have data for under 90 percent of days and are left out of rankings: 1979, 1980.
Cooler than the station meanWarmer than the station mean
One stripe for each of 22 complete years at Jefferson City Evap, 1953 to 1977. Blue stripes are years cooler than the station's own mean of 13.8 C (56.9 F); red stripes are warmer. The coolest year was 1976, at 12.5 C (54.5 F), and the warmest was 1957, at 15.0 C (59.0 F). The strongest colour marks a difference of 1.4 C (2.5 F).
Annual mean temperature at Jefferson City Evap as warming stripes, 1953 to 1977
Year
Annual mean temperature
Difference from the station mean
1953
14.4 C
+0.60 C
1954
14.1 C
+0.28 C
1955
14.3 C
+0.45 C
1956
14.4 C
+0.60 C
1957
15.0 C
+1.18 C
1958
13.0 C
-0.88 C
1959
14.1 C
+0.21 C
1960
13.1 C
-0.74 C
1961
13.8 C
-0.08 C
1962
14.1 C
+0.30 C
1963
13.2 C
-0.63 C
1964
14.1 C
+0.22 C
1966
13.5 C
-0.31 C
1967
13.5 C
-0.31 C
1968
13.4 C
-0.40 C
1969
13.5 C
-0.38 C
1970
14.3 C
+0.44 C
1971
14.4 C
+0.52 C
1972
13.7 C
-0.16 C
1975
14.3 C
+0.43 C
1976
12.5 C
-1.35 C
1977
13.9 C
+0.03 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
1910 to 1981
Yearly extremes at Jefferson City Evap: 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)
1953
35.0 C (95.0 F)
28
Coldest night (TNn)
-23.9 C (-11.0 F)
1963
-17.5 C (0.5 F)
28
Wettest day (Rx1day)
101.6 mm (4.0 in)
1919
58.2 mm (2.3 in)
53
Wettest five days (Rx5day)
151.1 mm (5.9 in)
1968
92.8 mm (3.7 in)
53
Longest dry spell (CDD)
32 days
1920
18 days
53
Hottest day (TXx)
The hottest day of the year at Jefferson City Evap, 1910 to 1981. The record is 39.4 C (102.9 F) in 1953, marked on the chart; the median year is 35.0 C (95.0 F).
Hottest day (TXx) at Jefferson City Evap by year
Year
Hottest day (TXx)
1910
n/a
1911
n/a
1912
n/a
1913
n/a
1914
n/a
1915
n/a
1916
n/a
1917
n/a
1918
n/a
1919
n/a
1920
n/a
1921
n/a
1922
n/a
1923
n/a
1924
n/a
1925
n/a
1926
n/a
1927
n/a
1928
n/a
1929
n/a
1948
n/a
1949
n/a
1950
n/a
1951
n/a
1952
n/a
1953
39.4 C (102.9 F)
1954
38.3 C (100.9 F)
1955
36.7 C (98.1 F)
1956
35.6 C (96.1 F)
1957
36.7 C (98.1 F)
1958
34.4 C (93.9 F)
1959
35.0 C (95.0 F)
1960
35.0 C (95.0 F)
1961
33.3 C (91.9 F)
1962
35.0 C (95.0 F)
1963
33.3 C (91.9 F)
1964
34.4 C (93.9 F)
1965
34.4 C (93.9 F)
1966
35.6 C (96.1 F)
1967
32.8 C (91.0 F)
1968
35.0 C (95.0 F)
1969
33.9 C (93.0 F)
1970
35.0 C (95.0 F)
1971
32.2 C (90.0 F)
1972
33.3 C (91.9 F)
1973
33.9 C (93.0 F)
1974
35.6 C (96.1 F)
1975
36.7 C (98.1 F)
1976
35.6 C (96.1 F)
1977
35.6 C (96.1 F)
1978
35.6 C (96.1 F)
1979
33.3 C (91.9 F)
1980
38.3 C (100.9 F)
1981
n/a
Coldest night (TNn)
The coldest night of the year at Jefferson City Evap, 1910 to 1981. The record is -23.9 C (-11.0 F) in 1963, marked on the chart; the median year is -17.5 C (0.5 F).
Coldest night (TNn) at Jefferson City Evap by year
Year
Coldest night (TNn)
1910
n/a
1911
n/a
1912
n/a
1913
n/a
1914
n/a
1915
n/a
1916
n/a
1917
n/a
1918
n/a
1919
n/a
1920
n/a
1921
n/a
1922
n/a
1923
n/a
1924
n/a
1925
n/a
1926
n/a
1927
n/a
1928
n/a
1929
n/a
1948
n/a
1949
n/a
1950
n/a
1951
n/a
1952
n/a
1953
-14.4 C (6.1 F)
1954
-14.4 C (6.1 F)
1955
-17.8 C (0.0 F)
1956
-11.1 C (12.0 F)
1957
-16.1 C (3.0 F)
1958
-20.0 C (-4.0 F)
1959
-17.2 C (1.0 F)
1960
-17.8 C (0.0 F)
1961
-20.0 C (-4.0 F)
1962
-22.2 C (-8.0 F)
1963
-23.9 C (-11.0 F)
1964
-14.4 C (6.1 F)
1965
-18.3 C (-0.9 F)
1966
-23.3 C (-9.9 F)
1967
-17.8 C (0.0 F)
1968
-13.3 C (8.1 F)
1969
-16.7 C (1.9 F)
1970
-20.6 C (-5.1 F)
1971
-15.0 C (5.0 F)
1972
-18.9 C (-2.0 F)
1973
-12.8 C (9.0 F)
1974
-7.2 C (19.0 F)
1975
-11.7 C (10.9 F)
1976
-13.9 C (7.0 F)
1977
-20.6 C (-5.1 F)
1978
-17.8 C (0.0 F)
1979
-7.8 C (18.0 F)
1980
-18.9 C (-2.0 F)
1981
n/a
Wettest day (Rx1day)
The wettest day of the year at Jefferson City Evap, 1910 to 1981. The record is 101.6 mm (4.0 in) in 1919, marked on the chart; the median year is 58.2 mm (2.3 in).
Wettest day (Rx1day) at Jefferson City Evap by year
Year
Wettest day (Rx1day)
1910
64.8 mm (2.6 in)
1911
54.6 mm (2.1 in)
1912
44.2 mm (1.7 in)
1913
74.2 mm (2.9 in)
1914
58.4 mm (2.3 in)
1915
59.7 mm (2.4 in)
1916
50.0 mm (2.0 in)
1917
59.2 mm (2.3 in)
1918
50.8 mm (2.0 in)
1919
101.6 mm (4.0 in)
1920
52.3 mm (2.1 in)
1921
38.9 mm (1.5 in)
1922
41.9 mm (1.6 in)
1923
37.8 mm (1.5 in)
1924
62.2 mm (2.4 in)
1925
34.5 mm (1.4 in)
1926
91.4 mm (3.6 in)
1927
49.5 mm (1.9 in)
1928
93.2 mm (3.7 in)
1929
27.9 mm (1.1 in)
1948
n/a
1949
47.2 mm (1.9 in)
1950
35.6 mm (1.4 in)
1951
58.2 mm (2.3 in)
1952
50.8 mm (2.0 in)
1953
77.5 mm (3.1 in)
1954
49.5 mm (1.9 in)
1955
49.5 mm (1.9 in)
1956
59.7 mm (2.4 in)
1957
55.9 mm (2.2 in)
1958
59.4 mm (2.3 in)
1959
58.4 mm (2.3 in)
1960
52.1 mm (2.1 in)
1961
52.3 mm (2.1 in)
1962
75.2 mm (3.0 in)
1963
98.0 mm (3.9 in)
1964
58.2 mm (2.3 in)
1965
50.8 mm (2.0 in)
1966
62.5 mm (2.5 in)
1967
51.3 mm (2.0 in)
1968
77.5 mm (3.1 in)
1969
99.3 mm (3.9 in)
1970
59.2 mm (2.3 in)
1971
59.9 mm (2.4 in)
1972
99.8 mm (3.9 in)
1973
71.1 mm (2.8 in)
1974
59.2 mm (2.3 in)
1975
59.7 mm (2.4 in)
1976
45.0 mm (1.8 in)
1977
55.6 mm (2.2 in)
1978
59.2 mm (2.3 in)
1979
62.5 mm (2.5 in)
1980
57.4 mm (2.3 in)
1981
55.6 mm (2.2 in)
Wettest five days (Rx5day)
The wettest five days of the year at Jefferson City Evap, 1910 to 1981. The record is 151.1 mm (5.9 in) in 1968, marked on the chart; the median year is 92.8 mm (3.7 in).
Wettest five days (Rx5day) at Jefferson City Evap by year
Year
Wettest five days (Rx5day)
1910
75.6 mm (3.0 in)
1911
87.2 mm (3.4 in)
1912
85.1 mm (3.4 in)
1913
88.0 mm (3.5 in)
1914
80.8 mm (3.2 in)
1915
86.1 mm (3.4 in)
1916
69.5 mm (2.7 in)
1917
147.1 mm (5.8 in)
1918
89.2 mm (3.5 in)
1919
114.8 mm (4.5 in)
1920
118.9 mm (4.7 in)
1921
80.0 mm (3.1 in)
1922
84.6 mm (3.3 in)
1923
71.1 mm (2.8 in)
1924
101.8 mm (4.0 in)
1925
103.0 mm (4.1 in)
1926
119.2 mm (4.7 in)
1927
72.6 mm (2.9 in)
1928
119.6 mm (4.7 in)
1929
43.2 mm (1.7 in)
1948
n/a
1949
101.8 mm (4.0 in)
1950
81.4 mm (3.2 in)
1951
87.1 mm (3.4 in)
1952
100.6 mm (4.0 in)
1953
92.8 mm (3.7 in)
1954
107.3 mm (4.2 in)
1955
77.0 mm (3.0 in)
1956
114.6 mm (4.5 in)
1957
150.9 mm (5.9 in)
1958
74.9 mm (2.9 in)
1959
112.8 mm (4.4 in)
1960
92.5 mm (3.6 in)
1961
111.0 mm (4.4 in)
1962
92.0 mm (3.6 in)
1963
107.1 mm (4.2 in)
1964
69.6 mm (2.7 in)
1965
138.7 mm (5.5 in)
1966
85.4 mm (3.4 in)
1967
82.6 mm (3.3 in)
1968
151.1 mm (5.9 in)
1969
147.3 mm (5.8 in)
1970
140.4 mm (5.5 in)
1971
75.5 mm (3.0 in)
1972
146.0 mm (5.7 in)
1973
140.4 mm (5.5 in)
1974
78.5 mm (3.1 in)
1975
111.3 mm (4.4 in)
1976
81.4 mm (3.2 in)
1977
134.3 mm (5.3 in)
1978
101.4 mm (4.0 in)
1979
116.6 mm (4.6 in)
1980
90.4 mm (3.6 in)
1981
94.2 mm (3.7 in)
Longest dry spell (CDD)
The longest dry spell of the year at Jefferson City Evap, 1910 to 1981. The record is 32 days in 1920, marked on the chart; the median year is 18 days.
Longest dry spell (CDD) at Jefferson City Evap by year
Year
Longest dry spell (CDD)
1910
18 days
1911
14 days
1912
23 days
1913
13 days
1914
21 days
1915
16 days
1916
13 days
1917
26 days
1918
10 days
1919
20 days
1920
32 days
1921
14 days
1922
17 days
1923
26 days
1924
25 days
1925
26 days
1926
12 days
1927
20 days
1928
10 days
1929
6 days
1948
n/a
1949
10 days
1950
18 days
1951
18 days
1952
24 days
1953
22 days
1954
14 days
1955
20 days
1956
17 days
1957
22 days
1958
22 days
1959
21 days
1960
12 days
1961
19 days
1962
24 days
1963
31 days
1964
21 days
1965
21 days
1966
13 days
1967
18 days
1968
26 days
1969
12 days
1970
12 days
1971
16 days
1972
12 days
1973
19 days
1974
19 days
1975
15 days
1976
14 days
1977
20 days
1978
15 days
1979
15 days
1980
19 days
1981
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.
Frost Dates and Growing Season
22 years with a frost
Across 22 years with a frost, the median last spring frost at Jefferson City Evap falls on 14 April and the median first autumn frost on 25 October, which leaves a median of 192 days between them.
Frost dates and growing season at Jefferson City Evap
Measure
Median, all years
Earliest period
Recent period (1953 to 1977)
Recent against earliest
Fitted trend
Last spring frost
14 April
n/a
14 April
n/a
n/a
First autumn frost
25 October
n/a
25 October
n/a
n/a
Growing days
192 days
n/a
192 days
n/a
n/a
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
47 years, 1911 to 1980
A day with at least 57.2 mm (2.3 in) of rain is expected about once in 2 years. A day with at least 120.3 mm (4.7 in) of rain is expected about once in 100 years.
Rainfall return levels at Jefferson City Evap: the daily rain expected about once in a given number of years
Expected about once in
A day with at least
Note
2 years
57.2 mm (2.3 in)
5 years
71.6 mm (2.8 in)
10 years
82.0 mm (3.2 in)
25 years
96.4 mm (3.8 in)
50 years
108.0 mm (4.3 in)
Longer than the 47 years of record
100 years
120.3 mm (4.7 in)
Longer than the 47 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, 47 years of values from 1911 to 1980.
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: 101.6 mm (4.0 in) in 1919; 99.8 mm (3.9 in) in 1972; 99.3 mm (3.9 in) in 1969.
Download the Data
Data for Jefferson City Evap standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Jefferson City Evap 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.