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Built 2026-10-19 (19 October 2026)

Tuscaloosa Oliver Dam Threshold Days by Year (USC00018385)

17 fixed thresholds counted per year at Tuscaloosa Oliver Dam (USC00018385): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Tuscaloosa Oliver Dam Thresholds

  • Tuscaloosa Oliver Dam: days with 10 mm (0.39 in) or more of precipitation in 111 years, most in 2009 with 59.
  • Tuscaloosa Oliver Dam: days with 25 mm (0.98 in) or more of precipitation in 111 years, most in 1923 with 28.
  • Tuscaloosa Oliver Dam: days with 50 mm (1.97 in) or more of precipitation in 108 years, most in 1977 with 11.
  • Tuscaloosa Oliver Dam: days with a maximum temperature at or above 30 C (86 F) in 70 years, most in 1936 with 150.
  • 17 fixed thresholds have at least one qualifying day at Tuscaloosa Oliver Dam.
70 years with a qualifying day
Days at or above 30 C (86 F) per year at Tuscaloosa Oliver Dam Days per year at Tuscaloosa Oliver Dam with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 150 in 1936. 0501001501900: 1171901: 1091902: 1291903: 1051904: 1321905: 1211906: 1291907: 1151908: 1361909: 1281910: 1311911: 1381912: 1161913: 1261914: 1231915: 1391916: 1201917: 1141919: 1231920: 1311921: 1341922: 1341923: 1101924: 1171925: 1461926: 1201927: 1201928: 1211929: 1181930: 1161931: 1321932: 1151933: 1401934: 1361935: 1471936: 1501937: 1361938: 1381939: 1261940: 1091941: 1311957: 1191958: 1121960: 1191961: 1101962: 1441963: 1221964: 1201965: 1301966: 1021967: 1061968: 1131969: 881970: 1191971: 1151972: 1041973: 1211974: 881975: 1071976: 821977: 1231978: 1221979: 841980: 1221981: 1101982: 1151983: 931984: 1061985: 1041986: 1361900190719141922192919361958196619731980
Days per year at Tuscaloosa Oliver Dam with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 150 in 1936.
Days at or above 30 C (86 F) per year at Tuscaloosa Oliver Dam
YearDaysDecade average
1900117122.1
1901109122.1
1902129122.1
1903105122.1
1904132122.1
1905121122.1
1906129122.1
1907115122.1
1908136122.1
1909128122.1
1910131125.6
1911138125.6
1912116125.6
1913126125.6
1914123125.6
1915139125.6
1916120125.6
1917114125.6
1919123125.6
1920131125.1
1921134125.1
1922134125.1
1923110125.1
1924117125.1
1925146125.1
1926120125.1
1927120125.1
1928121125.1
1929118125.1
1930116133.6
1931132133.6
1932115133.6
1933140133.6
1934136133.6
1935147133.6
1936150133.6
1937136133.6
1938138133.6
1939126133.6
1940109120
1941131120
1957119115.5
1958112115.5
1960119115.4
1961110115.4
1962144115.4
1963122115.4
1964120115.4
1965130115.4
1966102115.4
1967106115.4
1968113115.4
196988115.4
1970119106.5
1971115106.5
1972104106.5
1973121106.5
197488106.5
1975107106.5
197682106.5
1977123106.5
1978122106.5
197984106.5
1980122112.3
1981110112.3
1982115112.3
198393112.3
1984106112.3
1985104112.3
1986136112.3
First to last qualifying date each year at Tuscaloosa Oliver Dam For each year, a bar from the first to the last day at Tuscaloosa Oliver Dam meeting 30 C (86 F). 1900: 26 April 1900 to 3 October 19001901: 1 May 1901 to 24 September 19011902: 1 May 1902 to 15 November 19021903: 20 May 1903 to 8 October 19031904: 23 March 1904 to 12 October 19041905: 3 April 1905 to 7 October 19051906: 11 April 1906 to 30 September 19061907: 21 March 1907 to 8 October 19071908: 19 March 1908 to 20 October 19081909: 6 April 1909 to 7 October 19091910: 25 March 1910 to 21 October 19101911: 7 April 1911 to 16 October 19111912: 10 May 1912 to 13 October 19121913: 19 April 1913 to 11 October 19131914: 7 April 1914 to 5 November 19141915: 18 April 1915 to 19 October 19151916: 16 April 1916 to 1 November 19161917: 18 April 1917 to 17 October 19171919: 9 April 1919 to 1 November 19191920: 18 April 1920 to 23 October 19201921: 19 March 1921 to 27 October 19211922: 7 April 1922 to 5 October 19221923: 27 April 1923 to 31 October 19231924: 17 April 1924 to 19 October 19241925: 16 April 1925 to 17 October 19251926: 24 April 1926 to 20 October 19261927: 19 April 1927 to 31 October 19271928: 30 March 1928 to 15 October 19281929: 25 March 1929 to 30 September 19291930: 12 April 1930 to 16 October 19301931: 17 April 1931 to 28 October 19311932: 6 April 1932 to 24 September 19321933: 6 May 1933 to 31 October 19331934: 3 April 1934 to 23 October 19341935: 21 March 1935 to 3 November 19351936: 26 March 1936 to 2 November 19361937: 3 April 1937 to 31 October 19371938: 21 March 1938 to 19 October 19381939: 26 April 1939 to 27 October 19391940: 1 April 1940 to 5 October 19401941: 25 May 1941 to 23 October 19411957: 20 April 1957 to 23 September 19571958: 24 April 1958 to 27 September 19581960: 23 April 1960 to 4 October 19601961: 6 May 1961 to 31 October 19611962: 27 February 1962 to 21 October 19621963: 19 March 1963 to 27 October 19631964: 24 April 1964 to 2 October 19641965: 10 April 1965 to 18 October 19651966: 14 April 1966 to 11 October 19661967: 13 March 1967 to 15 October 19671968: 19 April 1968 to 15 October 19681969: 25 March 1969 to 13 October 19691970: 22 April 1970 to 9 October 19701971: 20 April 1971 to 5 October 19711972: 14 April 1972 to 15 October 19721973: 11 May 1973 to 11 October 19731974: 10 March 1974 to 21 September 19741975: 28 April 1975 to 16 October 19751976: 6 March 1976 to 5 October 19761977: 17 April 1977 to 2 October 19771978: 1 April 1978 to 14 October 19781979: 8 May 1979 to 31 October 19791980: 23 April 1980 to 11 October 19801981: 15 April 1981 to 7 October 19811982: 17 March 1982 to 10 October 19821983: 11 May 1983 to 5 October 19831984: 7 May 1984 to 28 September 19841985: 22 April 1985 to 15 October 19851986: 5 April 1986 to 31 October 198619001909191919281937196219711980JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Tuscaloosa Oliver Dam meeting 30 C (86 F).
First to last qualifying date each year at Tuscaloosa Oliver Dam
YearFirst dateLast date
19001900-04-261900-10-03
19011901-05-011901-09-24
19021902-05-011902-11-15
19031903-05-201903-10-08
19041904-03-231904-10-12
19051905-04-031905-10-07
19061906-04-111906-09-30
19071907-03-211907-10-08
19081908-03-191908-10-20
19091909-04-061909-10-07
19101910-03-251910-10-21
19111911-04-071911-10-16
19121912-05-101912-10-13
19131913-04-191913-10-11
19141914-04-071914-11-05
19151915-04-181915-10-19
19161916-04-161916-11-01
19171917-04-181917-10-17
19191919-04-091919-11-01
19201920-04-181920-10-23
19211921-03-191921-10-27
19221922-04-071922-10-05
19231923-04-271923-10-31
19241924-04-171924-10-19
19251925-04-161925-10-17
19261926-04-241926-10-20
19271927-04-191927-10-31
19281928-03-301928-10-15
19291929-03-251929-09-30
19301930-04-121930-10-16
19311931-04-171931-10-28
19321932-04-061932-09-24
19331933-05-061933-10-31
19341934-04-031934-10-23
19351935-03-211935-11-03
19361936-03-261936-11-02
19371937-04-031937-10-31
19381938-03-211938-10-19
19391939-04-261939-10-27
19401940-04-011940-10-05
19411941-05-251941-10-23
19571957-04-201957-09-23
19581958-04-241958-09-27
19601960-04-231960-10-04
19611961-05-061961-10-31
19621962-02-271962-10-21
19631963-03-191963-10-27
19641964-04-241964-10-02
19651965-04-101965-10-18
19661966-04-141966-10-11
19671967-03-131967-10-15
19681968-04-191968-10-15
19691969-03-251969-10-13
19701970-04-221970-10-09
19711971-04-201971-10-05
19721972-04-141972-10-15
19731973-05-111973-10-11
19741974-03-101974-09-21
19751975-04-281975-10-16
19761976-03-061976-10-05
19771977-04-171977-10-02
19781978-04-011978-10-14
19791979-05-081979-10-31
19801980-04-231980-10-11
19811981-04-151981-10-07
19821982-03-171982-10-10
19831983-05-111983-10-05
19841984-05-071984-09-28
19851985-04-221985-10-15
19861986-04-051986-10-31

Every Fixed Threshold

Fixed thresholds at Tuscaloosa Oliver Dam
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days701501936136
35 C (95 F): Days6974190235
40 C (104 F): Days14719301
90 F (32.2 C): Days70120192593
100 F (37.8 C): Days393419022
0 C (32 F): Ice days (max45719202
0 C (32 F): Frost days (min6783196364
-10 C (14 F): Days with min441019632
-20 C (-4 F): Days with min1119401
20 C (68 F): Tropical nights (min67114194172
25 C (77 F): Days with min17519401
10 mm (0.39 in): Days with 10 mm or more rain11159200931
25 mm (0.98 in): Days with 25 mm or more rain11128192312
50 mm (1.97 in): Days with 50 mm or more rain1081119772
100 mm (3.94 in): Days with 100 mm or more rain26219321
200 mm (7.87 in): Days with 200 mm or more rain2119161
10 cm (3.9 in): Days with 10 cm or more snowfall2119241

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1900.

Download the Data

  • Data for Tuscaloosa Oliver Dam 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). Threshold counts are computed by this site.

Data as of . Last revised (2026-10-12).