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Built 2026-10-19 (19 October 2026)

Ozark 6 NNW Threshold Days by Year (USC00016218)

15 fixed thresholds counted per year at Ozark 6 NNW (USC00016218): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Ozark 6 NNW Thresholds

  • Ozark 6 NNW: days with 10 mm (0.39 in) or more of precipitation in 78 years, most in 1975 with 61.
  • Ozark 6 NNW: days with 25 mm (0.98 in) or more of precipitation in 78 years, most in 1975 with 29.
  • Ozark 6 NNW: days with 50 mm (1.97 in) or more of precipitation in 75 years, most in 1964 with 11.
  • Ozark 6 NNW: nights with a minimum temperature at or below 0 C (32 F) in 73 years, most in 1968 with 63.
  • 15 fixed thresholds have at least one qualifying day at Ozark 6 NNW.
72 years with a qualifying day
Days at or above 30 C (86 F) per year at Ozark 6 NNW Days per year at Ozark 6 NNW with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 164 in 1927. 0501001502001903: 1131904: 1361905: 1341909: 1261910: 1211911: 1441912: 1051913: 1221914: 1271917: 1331918: 1351919: 1551920: 1141921: 1281922: 1311923: 971924: 1071925: 1611926: 1321927: 1641929: 1291930: 1281931: 1411932: 1271933: 1531934: 1541935: 1211936: 1531937: 1221938: 1251939: 1171940: 1191941: 1511942: 1331943: 1401944: 1291945: 1451946: 1131947: 1301948: 1351949: 1291950: 1211951: 1371952: 1251953: 1441954: 1561955: 1631956: 1351957: 1311958: 1491961: 1181962: 1471963: 1371964: 1171965: 1231966: 991967: 1151968: 1321969: 1101970: 1351971: 1201974: 1241975: 1131976: 911977: 1321978: 1371979: 1011980: 1331981: 1051983: 961984: 1231985: 120190319141924193319411949195719671977
Days per year at Ozark 6 NNW with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 164 in 1927.
Days at or above 30 C (86 F) per year at Ozark 6 NNW
YearDaysDecade average
1903113127.3
1904136127.3
1905134127.3
1909126127.3
1910121130.3
1911144130.3
1912105130.3
1913122130.3
1914127130.3
1917133130.3
1918135130.3
1919155130.3
1920114129.2
1921128129.2
1922131129.2
192397129.2
1924107129.2
1925161129.2
1926132129.2
1927164129.2
1929129129.2
1930128134.1
1931141134.1
1932127134.1
1933153134.1
1934154134.1
1935121134.1
1936153134.1
1937122134.1
1938125134.1
1939117134.1
1940119132.4
1941151132.4
1942133132.4
1943140132.4
1944129132.4
1945145132.4
1946113132.4
1947130132.4
1948135132.4
1949129132.4
1950121140.1
1951137140.1
1952125140.1
1953144140.1
1954156140.1
1955163140.1
1956135140.1
1957131140.1
1958149140.1
1961118122
1962147122
1963137122
1964117122
1965123122
196699122
1967115122
1968132122
1969110122
1970135119.1
1971120119.1
1974124119.1
1975113119.1
197691119.1
1977132119.1
1978137119.1
1979101119.1
1980133115.4
1981105115.4
198396115.4
1984123115.4
1985120115.4
First to last qualifying date each year at Ozark 6 NNW For each year, a bar from the first to the last day at Ozark 6 NNW meeting 30 C (86 F). 1903: 19 May 1903 to 7 October 19031904: 24 March 1904 to 18 October 19041905: 21 April 1905 to 3 October 19051909: 8 March 1909 to 12 November 19091910: 26 March 1910 to 20 October 19101911: 12 March 1911 to 9 October 19111912: 28 April 1912 to 13 October 19121913: 3 April 1913 to 9 October 19131914: 27 April 1914 to 12 October 19141917: 1 April 1917 to 28 October 19171918: 2 March 1918 to 30 October 19181919: 6 April 1919 to 31 October 19191920: 21 April 1920 to 14 October 19201921: 16 March 1921 to 19 October 19211922: 7 April 1922 to 7 October 19221923: 14 May 1923 to 2 October 19231924: 26 April 1924 to 22 September 19241925: 9 March 1925 to 17 October 19251926: 1 May 1926 to 20 October 19261927: 18 March 1927 to 25 October 19271929: 24 March 1929 to 7 October 19291930: 17 April 1930 to 16 October 19301931: 18 April 1931 to 26 October 19311932: 6 April 1932 to 25 September 19321933: 29 April 1933 to 19 October 19331934: 3 April 1934 to 24 October 19341935: 22 March 1935 to 7 November 19351936: 26 March 1936 to 3 November 19361937: 19 April 1937 to 7 October 19371938: 29 April 1938 to 13 November 19381939: 24 March 1939 to 24 October 19391940: 2 April 1940 to 31 October 19401941: 11 April 1941 to 26 October 19411942: 8 April 1942 to 22 October 19421943: 8 April 1943 to 24 October 19431944: 22 April 1944 to 27 October 19441945: 16 March 1945 to 21 October 19451946: 17 March 1946 to 20 October 19461947: 5 April 1947 to 21 October 19471948: 20 March 1948 to 16 October 19481949: 26 March 1949 to 25 October 19491950: 2 May 1950 to 1 November 19501951: 26 April 1951 to 31 October 19511952: 9 April 1952 to 6 October 19521953: 24 April 1953 to 24 October 19531954: 25 March 1954 to 27 October 19541955: 6 March 1955 to 15 November 19551956: 27 April 1956 to 7 October 19561957: 4 April 1957 to 24 September 19571958: 6 April 1958 to 17 November 19581961: 6 May 1961 to 6 November 19611962: 14 February 1962 to 21 October 19621963: 18 March 1963 to 28 October 19631964: 20 April 1964 to 6 November 19641965: 6 April 1965 to 13 October 19651966: 1 April 1966 to 5 October 19661967: 12 March 1967 to 7 October 19671968: 9 April 1968 to 16 October 19681969: 3 April 1969 to 8 October 19691970: 17 April 1970 to 3 October 19701971: 19 April 1971 to 2 November 19711974: 10 March 1974 to 1 November 19741975: 2 April 1975 to 15 October 19751976: 19 April 1976 to 3 October 19761977: 16 April 1977 to 2 October 19771978: 7 April 1978 to 28 October 19781979: 17 April 1979 to 21 October 19791980: 22 April 1980 to 14 October 19801981: 13 April 1981 to 17 October 19811983: 13 May 1983 to 5 October 19831984: 21 April 1984 to 31 October 19841985: 4 April 1985 to 21 October 198519031917192619361945195419651976JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Ozark 6 NNW meeting 30 C (86 F).
First to last qualifying date each year at Ozark 6 NNW
YearFirst dateLast date
19031903-05-191903-10-07
19041904-03-241904-10-18
19051905-04-211905-10-03
19091909-03-081909-11-12
19101910-03-261910-10-20
19111911-03-121911-10-09
19121912-04-281912-10-13
19131913-04-031913-10-09
19141914-04-271914-10-12
19171917-04-011917-10-28
19181918-03-021918-10-30
19191919-04-061919-10-31
19201920-04-211920-10-14
19211921-03-161921-10-19
19221922-04-071922-10-07
19231923-05-141923-10-02
19241924-04-261924-09-22
19251925-03-091925-10-17
19261926-05-011926-10-20
19271927-03-181927-10-25
19291929-03-241929-10-07
19301930-04-171930-10-16
19311931-04-181931-10-26
19321932-04-061932-09-25
19331933-04-291933-10-19
19341934-04-031934-10-24
19351935-03-221935-11-07
19361936-03-261936-11-03
19371937-04-191937-10-07
19381938-04-291938-11-13
19391939-03-241939-10-24
19401940-04-021940-10-31
19411941-04-111941-10-26
19421942-04-081942-10-22
19431943-04-081943-10-24
19441944-04-221944-10-27
19451945-03-161945-10-21
19461946-03-171946-10-20
19471947-04-051947-10-21
19481948-03-201948-10-16
19491949-03-261949-10-25
19501950-05-021950-11-01
19511951-04-261951-10-31
19521952-04-091952-10-06
19531953-04-241953-10-24
19541954-03-251954-10-27
19551955-03-061955-11-15
19561956-04-271956-10-07
19571957-04-041957-09-24
19581958-04-061958-11-17
19611961-05-061961-11-06
19621962-02-141962-10-21
19631963-03-181963-10-28
19641964-04-201964-11-06
19651965-04-061965-10-13
19661966-04-011966-10-05
19671967-03-121967-10-07
19681968-04-091968-10-16
19691969-04-031969-10-08
19701970-04-171970-10-03
19711971-04-191971-11-02
19741974-03-101974-11-01
19751975-04-021975-10-15
19761976-04-191976-10-03
19771977-04-161977-10-02
19781978-04-071978-10-28
19791979-04-171979-10-21
19801980-04-221980-10-14
19811981-04-131981-10-17
19831983-05-131983-10-05
19841984-04-211984-10-31
19851985-04-041985-10-21

Every Fixed Threshold

Fixed thresholds at Ozark 6 NNW
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days721641927120
35 C (95 F): Days7293195412
40 C (104 F): Days7519303
90 F (32.2 C): Days72127195472
100 F (37.8 C): Days372519543
0 C (32 F): Ice days (max11219401
0 C (32 F): Frost days (min7363196842
-10 C (14 F): Days with min26519622
20 C (68 F): Tropical nights (min73123192570
25 C (77 F): Days with min15519805
10 mm (0.39 in): Days with 10 mm or more rain7861197545
25 mm (0.98 in): Days with 25 mm or more rain7829197516
50 mm (1.97 in): Days with 50 mm or more rain751119644
100 mm (3.94 in): Days with 100 mm or more rain35319291
200 mm (7.87 in): Days with 200 mm or more rain5219291

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1903.

Download the Data

  • Data for Ozark 6 NNW 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 (2025-12-31).