Record highRecord low2026 daily maximum2026 daily minimum
The band shows the record high and record low for each calendar day at Huntsville. 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 Huntsville, with 2026 drawn through them
Month
Highest record high
Lowest record low
2026 highest maximum
2026 lowest minimum
Jan
12.8 C (55.0 F)
-43.9 C (-47.0 F)
n/a
n/a
Feb
13.9 C (57.0 F)
-43.3 C (-45.9 F)
n/a
n/a
Mar
25.6 C (78.1 F)
-35.6 C (-32.1 F)
n/a
n/a
Apr
31.7 C (89.1 F)
-23.3 C (-9.9 F)
n/a
n/a
May
33.9 C (93.0 F)
-7.8 C (18.0 F)
n/a
n/a
Jun
34.4 C (93.9 F)
-6.7 C (19.9 F)
n/a
n/a
Jul
38.3 C (100.9 F)
-3.9 C (25.0 F)
n/a
n/a
Aug
35.0 C (95.0 F)
-1.1 C (30.0 F)
n/a
n/a
Sep
34.4 C (93.9 F)
-4.4 C (24.1 F)
n/a
n/a
Oct
28.9 C (84.0 F)
-12.2 C (10.0 F)
n/a
n/a
Nov
22.2 C (72.0 F)
-28.9 C (-20.0 F)
n/a
n/a
Dec
16.1 C (61.0 F)
-44.4 C (-47.9 F)
n/a
n/a
Which Years Hold Standing Records
1,464 standing records
Year with most
1,464 records at Huntsville still stand. 1882 holds the most, with 62.
Standing records at Huntsville by the year they were set
Year set
Standing records
1879
40
1880
26
1881
28
1882
62
1883
19
1884
30
1885
32
1911
23
1912
16
1913
25
1914
29
1915
19
1916
30
1917
29
1918
31
1919
32
1920
38
1921
33
1922
27
1923
9
1924
26
1925
25
1926
31
1927
21
1928
24
1929
24
1930
28
1931
32
1932
25
1933
30
1934
36
1935
10
1936
39
1937
17
1938
28
1939
12
1940
20
1941
17
1942
29
1943
25
1944
26
1945
34
1946
35
1947
41
1948
12
1949
26
1950
29
1951
13
1952
10
1953
24
1954
21
1955
15
1956
19
1957
21
1958
18
1959
28
1960
13
1961
2
All-Time Record Progression
2 new records
2 all-time records were set at Huntsville between 8 July 1936 and 9 August 1942. Each dot is a new record.
When Huntsville set new all-time records
Date
Kind
Detail
1936-07-08
Record high minimum temperature
Record high minimum temperature 23.9 C (75.0 F)
1942-08-09
Record daily precipitation
Record daily precipitation 104.4 mm (4.1 in)
Wettest Day of Each Month
Aug: 104.4 mm (4.1 in)
The wettest day on record for each calendar month at Huntsville. The most was 104.4 mm (4.1 in) on 9 August 1942.
Record daily precipitation for each month at Huntsville
Month
Record daily precipitation (mm)
Date
Jan
47.0 mm (1.9 in)
11 January 1924
Feb
44.5 mm (1.8 in)
8 February 1900
Mar
50.8 mm (2.0 in)
26 March 1906
Apr
41.1 mm (1.6 in)
17 April 1938
May
72.9 mm (2.9 in)
13 May 1956
Jun
88.9 mm (3.5 in)
19 June 1894
Jul
65.8 mm (2.6 in)
12 July 1946
Aug
104.4 mm (4.1 in)
9 August 1942
Sep
86.6 mm (3.4 in)
27 September 1942
Oct
82.6 mm (3.3 in)
7 October 1896
Nov
57.2 mm (2.3 in)
21 November 1900
Dec
49.5 mm (1.9 in)
31 December 1906
Period of Record Coverage
1879 to 1961
Complete yearUnder 90 percent of days
59 years of record at Huntsville, 1879 to 1961. 21 years have data for under 90 percent of days and are left out of rankings: 1879, 1880, 1881, 1882, 1883, 1884, 1885, 1910 and others.
Cooler than the station meanWarmer than the station mean
One stripe for each of 47 complete years at Huntsville, 1881 to 1960. Blue stripes are years cooler than the station's own mean of 5.1 C (41.2 F); red stripes are warmer. The coolest year was 1917, at 2.9 C (37.3 F), and the warmest was 1931, at 7.1 C (44.7 F). The strongest colour marks a difference of 2.2 C (4.0 F).
Annual mean temperature at Huntsville as warming stripes, 1881 to 1960
Year
Annual mean temperature
Difference from the station mean
1881
4.4 C
-0.76 C
1911
5.6 C
+0.47 C
1912
3.8 C
-1.32 C
1913
5.8 C
+0.65 C
1914
4.3 C
-0.79 C
1915
5.3 C
+0.21 C
1916
4.9 C
-0.23 C
1917
2.9 C
-2.19 C
1918
4.5 C
-0.59 C
1919
5.3 C
+0.16 C
1920
4.4 C
-0.77 C
1921
6.5 C
+1.39 C
1922
5.1 C
-0.07 C
1925
3.8 C
-1.30 C
1926
3.0 C
-2.15 C
1927
4.9 C
-0.26 C
1928
4.4 C
-0.72 C
1930
6.1 C
+0.96 C
1931
7.1 C
+1.93 C
1932
6.1 C
+1.02 C
1933
5.5 C
+0.35 C
1934
4.2 C
-0.89 C
1935
4.9 C
-0.25 C
1936
4.4 C
-0.72 C
1937
5.9 C
+0.82 C
1938
6.1 C
+1.00 C
1939
5.1 C
-0.02 C
1940
4.1 C
-1.00 C
1941
5.7 C
+0.60 C
1942
5.9 C
+0.74 C
1943
4.0 C
-1.12 C
1944
6.0 C
+0.83 C
1945
5.1 C
+0.02 C
1946
6.3 C
+1.15 C
1947
5.1 C
+0.00 C
1948
5.6 C
+0.44 C
1949
6.0 C
+0.84 C
1950
4.6 C
-0.52 C
1951
5.3 C
+0.15 C
1952
5.7 C
+0.62 C
1953
6.5 C
+1.38 C
1954
4.9 C
-0.21 C
1955
5.6 C
+0.44 C
1956
4.5 C
-0.67 C
1958
4.9 C
-0.22 C
1959
5.5 C
+0.37 C
1960
5.2 C
+0.03 C
The fitted trend in annual mean temperature here over 1881 to 1960 is 0.15 C (-0.01 to 0.31) per decade. The interval includes zero, so the trend is not clearly different from zero. In Fahrenheit: 0.27 F (-0.01 to 0.55) per decade. The slope is a straight line fitted to 47 complete years; the brackets give its 95 percent interval.
Fitted temperature trends per decade at Huntsville
Measure
Per decade (C)
Per decade (F)
Period
Complete years
Reading
Annual mean temperature
0.15 C (-0.01 to 0.31) per decade
0.27 F (-0.01 to 0.55) per decade
1881 to 1960
47
Not clearly different from zero
Mean daily maximum
0.04 C (-0.14 to 0.21) per decade
0.1 F (-0.3 to 0.4) per decade
1881 to 1960
47
Not clearly different from zero
Mean daily minimum
0.3 C (0.1 to 0.4) per decade
0.5 F (0.2 to 0.8) per decade
1881 to 1960
47
Rise
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
1879 to 1961
Yearly extremes at Huntsville: the record and the median year
Measure
Record
Year of the record
Median year
Years with a value
Hottest day (TXx)
38.3 C (100.9 F)
1931
32.2 C (90.0 F)
59
Coldest night (TNn)
-44.4 C (-47.9 F)
1933
-36.1 C (-33.0 F)
59
Wettest day (Rx1day)
104.4 mm (4.1 in)
1942
43.1 mm (1.7 in)
64
Wettest five days (Rx5day)
124.4 mm (4.9 in)
1954
67.9 mm (2.7 in)
64
Longest dry spell (CDD)
36 days
1944
17 days
64
Hottest day (TXx)
The hottest day of the year at Huntsville, 1879 to 1961. The record is 38.3 C (100.9 F) in 1931, marked on the chart; the median year is 32.2 C (90.0 F).
Hottest day (TXx) at Huntsville by year
Year
Hottest day (TXx)
1879
33.3 C (91.9 F)
1880
29.4 C (84.9 F)
1881
33.9 C (93.0 F)
1882
32.8 C (91.0 F)
1883
30.6 C (87.1 F)
1884
32.8 C (91.0 F)
1885
29.4 C (84.9 F)
1891
n/a
1892
n/a
1893
n/a
1894
n/a
1895
n/a
1896
n/a
1897
n/a
1898
n/a
1899
n/a
1900
n/a
1901
n/a
1902
n/a
1903
n/a
1904
n/a
1905
n/a
1906
n/a
1907
n/a
1908
n/a
1910
1.1 C (34.0 F)
1911
35.0 C (95.0 F)
1912
33.3 C (91.9 F)
1913
33.9 C (93.0 F)
1914
33.3 C (91.9 F)
1915
31.7 C (89.1 F)
1916
36.1 C (97.0 F)
1917
34.4 C (93.9 F)
1918
33.3 C (91.9 F)
1919
34.4 C (93.9 F)
1920
31.7 C (89.1 F)
1921
36.1 C (97.0 F)
1922
31.1 C (88.0 F)
1923
31.7 C (89.1 F)
1924
30.0 C (86.0 F)
1925
33.3 C (91.9 F)
1926
30.0 C (86.0 F)
1927
35.0 C (95.0 F)
1928
30.6 C (87.1 F)
1929
32.2 C (90.0 F)
1930
30.6 C (87.1 F)
1931
38.3 C (100.9 F)
1932
31.7 C (89.1 F)
1933
33.9 C (93.0 F)
1934
33.3 C (91.9 F)
1935
32.8 C (91.0 F)
1936
35.0 C (95.0 F)
1937
32.8 C (91.0 F)
1938
36.1 C (97.0 F)
1939
31.7 C (89.1 F)
1940
31.1 C (88.0 F)
1941
33.9 C (93.0 F)
1942
31.1 C (88.0 F)
1943
32.2 C (90.0 F)
1944
34.4 C (93.9 F)
1945
31.1 C (88.0 F)
1946
31.7 C (89.1 F)
1947
32.8 C (91.0 F)
1948
34.4 C (93.9 F)
1949
32.8 C (91.0 F)
1950
30.0 C (86.0 F)
1951
31.1 C (88.0 F)
1952
32.2 C (90.0 F)
1953
34.4 C (93.9 F)
1954
29.4 C (84.9 F)
1955
32.8 C (91.0 F)
1956
31.7 C (89.1 F)
1957
31.7 C (89.1 F)
1958
28.9 C (84.0 F)
1959
32.2 C (90.0 F)
1960
31.7 C (89.1 F)
1961
16.7 C (62.1 F)
Coldest night (TNn)
The coldest night of the year at Huntsville, 1879 to 1961. The record is -44.4 C (-47.9 F) in 1933, marked on the chart; the median year is -36.1 C (-33.0 F).
Coldest night (TNn) at Huntsville by year
Year
Coldest night (TNn)
1879
-33.3 C (-27.9 F)
1880
-36.1 C (-33.0 F)
1881
-40.6 C (-41.1 F)
1882
-43.9 C (-47.0 F)
1883
-40.0 C (-40.0 F)
1884
-41.1 C (-42.0 F)
1885
-37.8 C (-36.0 F)
1891
n/a
1892
n/a
1893
n/a
1894
n/a
1895
n/a
1896
n/a
1897
n/a
1898
n/a
1899
n/a
1900
n/a
1901
n/a
1902
n/a
1903
n/a
1904
n/a
1905
n/a
1906
n/a
1907
n/a
1908
n/a
1910
-35.0 C (-31.0 F)
1911
-30.0 C (-22.0 F)
1912
-41.1 C (-42.0 F)
1913
-38.3 C (-36.9 F)
1914
-43.3 C (-45.9 F)
1915
-36.7 C (-34.1 F)
1916
-33.3 C (-27.9 F)
1917
-40.0 C (-40.0 F)
1918
-38.3 C (-36.9 F)
1919
-33.3 C (-27.9 F)
1920
-37.2 C (-35.0 F)
1921
-36.1 C (-33.0 F)
1922
-38.9 C (-38.0 F)
1923
-33.3 C (-27.9 F)
1924
-38.9 C (-38.0 F)
1925
-37.8 C (-36.0 F)
1926
-36.1 C (-33.0 F)
1927
-33.9 C (-29.0 F)
1928
-34.4 C (-29.9 F)
1929
-36.1 C (-33.0 F)
1930
-37.2 C (-35.0 F)
1931
-34.4 C (-29.9 F)
1932
-35.0 C (-31.0 F)
1933
-44.4 C (-47.9 F)
1934
-43.3 C (-45.9 F)
1935
-39.4 C (-38.9 F)
1936
-34.4 C (-29.9 F)
1937
-27.2 C (-17.0 F)
1938
-34.4 C (-29.9 F)
1939
-36.1 C (-33.0 F)
1940
-36.1 C (-33.0 F)
1941
-32.8 C (-27.0 F)
1942
-40.0 C (-40.0 F)
1943
-38.3 C (-36.9 F)
1944
-32.8 C (-27.0 F)
1945
-40.0 C (-40.0 F)
1946
-34.4 C (-29.9 F)
1947
-38.3 C (-36.9 F)
1948
-37.8 C (-36.0 F)
1949
-31.1 C (-24.0 F)
1950
-35.6 C (-32.1 F)
1951
-40.0 C (-40.0 F)
1952
-35.6 C (-32.1 F)
1953
-28.9 C (-20.0 F)
1954
-33.3 C (-27.9 F)
1955
-35.6 C (-32.1 F)
1956
-28.9 C (-20.0 F)
1957
-32.8 C (-27.0 F)
1958
-34.4 C (-29.9 F)
1959
-36.7 C (-34.1 F)
1960
-33.9 C (-29.0 F)
1961
-36.1 C (-33.0 F)
Wettest day (Rx1day)
The wettest day of the year at Huntsville, 1879 to 1961. The record is 104.4 mm (4.1 in) in 1942, marked on the chart; the median year is 43.1 mm (1.7 in).
Wettest day (Rx1day) at Huntsville by year
Year
Wettest day (Rx1day)
1879
31.0 mm (1.2 in)
1880
67.8 mm (2.7 in)
1881
22.9 mm (0.9 in)
1882
37.1 mm (1.5 in)
1883
72.4 mm (2.9 in)
1884
46.2 mm (1.8 in)
1885
34.3 mm (1.4 in)
1891
29.2 mm (1.1 in)
1892
33.0 mm (1.3 in)
1893
39.4 mm (1.6 in)
1894
88.9 mm (3.5 in)
1895
38.1 mm (1.5 in)
1896
82.6 mm (3.3 in)
1897
45.2 mm (1.8 in)
1898
40.9 mm (1.6 in)
1899
57.2 mm (2.3 in)
1900
64.3 mm (2.5 in)
1901
58.9 mm (2.3 in)
1902
44.5 mm (1.8 in)
1903
44.5 mm (1.8 in)
1904
71.1 mm (2.8 in)
1905
50.8 mm (2.0 in)
1906
87.1 mm (3.4 in)
1907
33.0 mm (1.3 in)
1908
39.9 mm (1.6 in)
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
41.7 mm (1.6 in)
1924
47.0 mm (1.9 in)
1925
37.6 mm (1.5 in)
1926
33.0 mm (1.3 in)
1927
19.8 mm (0.8 in)
1928
33.3 mm (1.3 in)
1929
29.2 mm (1.1 in)
1930
61.0 mm (2.4 in)
1931
45.7 mm (1.8 in)
1932
76.5 mm (3.0 in)
1933
28.7 mm (1.1 in)
1934
35.8 mm (1.4 in)
1935
54.6 mm (2.1 in)
1936
72.6 mm (2.9 in)
1937
44.2 mm (1.7 in)
1938
72.6 mm (2.9 in)
1939
32.3 mm (1.3 in)
1940
60.2 mm (2.4 in)
1941
39.6 mm (1.6 in)
1942
104.4 mm (4.1 in)
1943
30.5 mm (1.2 in)
1944
78.7 mm (3.1 in)
1945
30.5 mm (1.2 in)
1946
65.8 mm (2.6 in)
1947
32.5 mm (1.3 in)
1948
35.1 mm (1.4 in)
1949
37.1 mm (1.5 in)
1950
50.3 mm (2.0 in)
1951
35.6 mm (1.4 in)
1952
65.5 mm (2.6 in)
1953
33.3 mm (1.3 in)
1954
57.4 mm (2.3 in)
1955
41.9 mm (1.6 in)
1956
72.9 mm (2.9 in)
1957
46.0 mm (1.8 in)
1958
31.5 mm (1.2 in)
1959
25.4 mm (1.0 in)
1960
55.9 mm (2.2 in)
1961
12.7 mm (0.5 in)
Wettest five days (Rx5day)
The wettest five days of the year at Huntsville, 1879 to 1961. The record is 124.4 mm (4.9 in) in 1954, marked on the chart; the median year is 67.9 mm (2.7 in).
Wettest five days (Rx5day) at Huntsville by year
Year
Wettest five days (Rx5day)
1879
52.3 mm (2.1 in)
1880
93.2 mm (3.7 in)
1881
48.3 mm (1.9 in)
1882
65.8 mm (2.6 in)
1883
78.0 mm (3.1 in)
1884
55.9 mm (2.2 in)
1885
47.0 mm (1.9 in)
1891
51.3 mm (2.0 in)
1892
40.9 mm (1.6 in)
1893
55.9 mm (2.2 in)
1894
101.6 mm (4.0 in)
1895
44.5 mm (1.8 in)
1896
83.9 mm (3.3 in)
1897
81.3 mm (3.2 in)
1898
65.3 mm (2.6 in)
1899
102.4 mm (4.0 in)
1900
87.0 mm (3.4 in)
1901
97.0 mm (3.8 in)
1902
74.0 mm (2.9 in)
1903
64.7 mm (2.5 in)
1904
76.2 mm (3.0 in)
1905
68.8 mm (2.7 in)
1906
99.8 mm (3.9 in)
1907
63.8 mm (2.5 in)
1908
41.4 mm (1.6 in)
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
76.8 mm (3.0 in)
1924
76.7 mm (3.0 in)
1925
41.4 mm (1.6 in)
1926
60.4 mm (2.4 in)
1927
39.7 mm (1.6 in)
1928
63.0 mm (2.5 in)
1929
48.0 mm (1.9 in)
1930
84.4 mm (3.3 in)
1931
63.5 mm (2.5 in)
1932
90.9 mm (3.6 in)
1933
66.0 mm (2.6 in)
1934
57.8 mm (2.3 in)
1935
82.6 mm (3.3 in)
1936
72.6 mm (2.9 in)
1937
71.2 mm (2.8 in)
1938
87.3 mm (3.4 in)
1939
44.4 mm (1.7 in)
1940
84.3 mm (3.3 in)
1941
48.4 mm (1.9 in)
1942
115.0 mm (4.5 in)
1943
66.1 mm (2.6 in)
1944
87.1 mm (3.4 in)
1945
54.7 mm (2.2 in)
1946
93.9 mm (3.7 in)
1947
59.3 mm (2.3 in)
1948
95.3 mm (3.8 in)
1949
73.7 mm (2.9 in)
1950
92.5 mm (3.6 in)
1951
67.1 mm (2.6 in)
1952
106.1 mm (4.2 in)
1953
38.6 mm (1.5 in)
1954
124.4 mm (4.9 in)
1955
88.6 mm (3.5 in)
1956
112.8 mm (4.4 in)
1957
54.9 mm (2.2 in)
1958
33.8 mm (1.3 in)
1959
46.5 mm (1.8 in)
1960
107.4 mm (4.2 in)
1961
17.8 mm (0.7 in)
Longest dry spell (CDD)
The longest dry spell of the year at Huntsville, 1879 to 1961. The record is 36 days in 1944, marked on the chart; the median year is 17 days.
Longest dry spell (CDD) at Huntsville by year
Year
Longest dry spell (CDD)
1879
22 days
1880
17 days
1881
20 days
1882
16 days
1883
13 days
1884
18 days
1885
8 days
1891
12 days
1892
23 days
1893
15 days
1894
27 days
1895
14 days
1896
17 days
1897
18 days
1898
15 days
1899
14 days
1900
23 days
1901
17 days
1902
16 days
1903
22 days
1904
11 days
1905
11 days
1906
15 days
1907
14 days
1908
16 days
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
25 days
1924
19 days
1925
17 days
1926
11 days
1927
22 days
1928
16 days
1929
31 days
1930
21 days
1931
12 days
1932
11 days
1933
18 days
1934
12 days
1935
14 days
1936
16 days
1937
14 days
1938
10 days
1939
18 days
1940
12 days
1941
17 days
1942
21 days
1943
16 days
1944
36 days
1945
22 days
1946
22 days
1947
22 days
1948
22 days
1949
25 days
1950
14 days
1951
20 days
1952
27 days
1953
8 days
1954
15 days
1955
23 days
1956
14 days
1957
22 days
1958
18 days
1959
12 days
1960
22 days
1961
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.
Frost Dates and Growing Season
47 years with a frost
Across 47 years with a frost, the median last spring frost at Huntsville falls on 21 May and the median first autumn frost on 22 September, which leaves a median of 124 days between them.
Fitted over all years, the growing season changes by +3.5 days per decade at this station.
Frost dates and growing season at Huntsville
Measure
Median, all years
Earliest period
Recent period (1930 to 1960)
Recent against earliest
Fitted trend
Last spring frost
21 May
n/a
20 May
n/a
-2.8 days per decade
First autumn frost
22 September
n/a
23 September
n/a
+0.7 days per decade
Growing days
124 days
n/a
126 days
n/a
+3.5 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
33 years, 1894 to 1960
A day with at least 50.6 mm (2.0 in) of rain is expected about once in 2 years. A day with at least 119.2 mm (4.7 in) of rain is expected about once in 100 years.
Rainfall return levels at Huntsville: the daily rain expected about once in a given number of years
Expected about once in
A day with at least
Note
2 years
50.6 mm (2.0 in)
5 years
68.8 mm (2.7 in)
10 years
80.9 mm (3.2 in)
25 years
96.3 mm (3.8 in)
50 years
107.8 mm (4.2 in)
Longer than the 33 years of record
100 years
119.2 mm (4.7 in)
Longer than the 33 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, 33 years of values from 1894 to 1960.
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: 104.4 mm (4.1 in) in 1942; 88.9 mm (3.5 in) in 1894; 87.1 mm (3.4 in) in 1906.
Station Changes
1 suspected
One change was suspected in the annual mean temperature of Huntsville, at 1930. Each is measured against neighbouring stations.
Relative to 5 neighbouring stations, the station's annual mean temperature from 1930 ran 0.3 C (0.5 F) higher than in the years before (possible change).
Suspected changes in the annual mean temperature at Huntsville, against neighbouring stations
Year
Shift (C)
Shift (F)
Strength
Neighbours
1930
+0.3
+0.5
possible
5
Possible change at the station (a move, a new instrument or a new site); the record is kept as measured. A "likely" change has a larger test statistic than a "possible" one. Neither says why the station differs from its neighbours. How changes are found, and the largest ones.
Download the Data
Data for Huntsville standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Huntsville 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.