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Built 2026-10-19 (19 October 2026)

Ozena Threshold Days by Year (USC00046576)

6 fixed thresholds counted per year at Ozena (USC00046576): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Ozena Thresholds

  • Ozena: days with 10 mm (0.39 in) or more of precipitation in 46 years, most in 1941 with 24.
  • Ozena: days with 25 mm (0.98 in) or more of precipitation in 42 years, most in 1918 with 10.
  • Ozena: days with 50 mm (1.97 in) or more of precipitation in 20 years, most in 1938 with 4.
  • Ozena: days with 10 cm (3.9 in) or more of snowfall in 4 years, most in 1962 with 2.
  • 6 fixed thresholds have at least one qualifying day at Ozena.
46 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Ozena Days per year at Ozena with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 24 in 1941. 01020301915: 141916: 141917: 51918: 151919: 101920: 61921: 141922: 121923: 41924: 31925: 121926: 131927: 101928: 71929: 31930: 41931: 141932: 41933: 51934: 51935: 101936: 151937: 101938: 161939: 81940: 91941: 241942: 51943: 151944: 81945: 111946: 101947: 11948: 61949: 21950: 51951: 81952: 141953: 21957: 121958: 131959: 31960: 81961: 41962: 81963: 111915192019251930193519401945195019581963
Days per year at Ozena with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 24 in 1941.
Days with 10 mm (0.39 in) or more of precipitation per year at Ozena
YearDaysDecade average
19151411.6
19161411.6
1917511.6
19181511.6
19191011.6
192068.4
1921148.4
1922128.4
192348.4
192438.4
1925128.4
1926138.4
1927108.4
192878.4
192938.4
193049.1
1931149.1
193249.1
193359.1
193459.1
1935109.1
1936159.1
1937109.1
1938169.1
193989.1
194099.1
1941249.1
194259.1
1943159.1
194489.1
1945119.1
1946109.1
194719.1
194869.1
194929.1
195058.1
195188.1
1952148.1
195328.1
1957128.1
1958138.1
195938.1
196087.8
196147.8
196287.8
1963117.8
First to last qualifying date each year at Ozena For each year, a bar from the first to the last day at Ozena meeting 10 mm (0.39 in). 1915: 27 January 1915 to 14 December 19151916: 1 January 1916 to 24 December 19161917: 12 January 1917 to 24 February 19171918: 17 February 1918 to 7 December 19181919: 31 January 1919 to 4 December 19191920: 2 February 1920 to 19 December 19201921: 17 January 1921 to 26 December 19211922: 1 January 1922 to 13 December 19221923: 22 January 1923 to 31 October 19231924: 1 March 1924 to 26 March 19241925: 14 January 1925 to 18 December 19251926: 31 January 1926 to 6 December 19261927: 4 February 1927 to 25 December 19271928: 2 February 1928 to 13 December 19281929: 16 January 1929 to 4 April 19291930: 22 February 1930 to 26 November 19301931: 1 January 1931 to 28 December 19311932: 31 January 1932 to 30 September 19321933: 16 January 1933 to 31 December 19331934: 23 February 1934 to 13 December 19341935: 4 January 1935 to 28 December 19351936: 1 February 1936 to 30 December 19361937: 12 January 1937 to 11 December 19371938: 14 January 1938 to 19 December 19381939: 5 January 1939 to 23 December 19391940: 23 January 1940 to 23 December 19401941: 6 January 1941 to 29 December 19411942: 22 January 1942 to 22 April 19421943: 22 January 1943 to 29 December 19431944: 30 January 1944 to 13 November 19441945: 31 January 1945 to 22 December 19451946: 3 February 1946 to 24 December 19461947: 9 February 1947 to 9 February 19471948: 13 March 1948 to 27 December 19481949: 9 November 1949 to 7 December 19491950: 8 January 1950 to 8 April 19501951: 12 January 1951 to 29 December 19511952: 6 January 1952 to 31 December 19521953: 14 November 1953 to 15 November 19531957: 5 January 1957 to 17 December 19571958: 26 January 1958 to 7 September 19581959: 8 February 1959 to 24 December 19591960: 10 January 1960 to 26 November 19601961: 26 January 1961 to 2 December 19611962: 20 January 1962 to 6 March 19621963: 31 January 1963 to 20 November 196319151921192719331939194519511960JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Ozena meeting 10 mm (0.39 in).
First to last qualifying date each year at Ozena
YearFirst dateLast date
19151915-01-271915-12-14
19161916-01-011916-12-24
19171917-01-121917-02-24
19181918-02-171918-12-07
19191919-01-311919-12-04
19201920-02-021920-12-19
19211921-01-171921-12-26
19221922-01-011922-12-13
19231923-01-221923-10-31
19241924-03-011924-03-26
19251925-01-141925-12-18
19261926-01-311926-12-06
19271927-02-041927-12-25
19281928-02-021928-12-13
19291929-01-161929-04-04
19301930-02-221930-11-26
19311931-01-011931-12-28
19321932-01-311932-09-30
19331933-01-161933-12-31
19341934-02-231934-12-13
19351935-01-041935-12-28
19361936-02-011936-12-30
19371937-01-121937-12-11
19381938-01-141938-12-19
19391939-01-051939-12-23
19401940-01-231940-12-23
19411941-01-061941-12-29
19421942-01-221942-04-22
19431943-01-221943-12-29
19441944-01-301944-11-13
19451945-01-311945-12-22
19461946-02-031946-12-24
19471947-02-091947-02-09
19481948-03-131948-12-27
19491949-11-091949-12-07
19501950-01-081950-04-08
19511951-01-121951-12-29
19521952-01-061952-12-31
19531953-11-141953-11-15
19571957-01-051957-12-17
19581958-01-261958-09-07
19591959-02-081959-12-24
19601960-01-101960-11-26
19611961-01-261961-12-02
19621962-01-201962-03-06
19631963-01-311963-11-20

Every Fixed Threshold

Fixed thresholds at Ozena
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain4624194111
25 mm (0.98 in): Days with 25 mm or more rain421019182
50 mm (1.97 in): Days with 50 mm or more rain20419382
100 mm (3.94 in): Days with 100 mm or more rain1119621
10 cm (3.9 in): Days with 10 cm or more snowfall4219622
25 cm (9.8 in): Days with 25 cm or more snowfall1119621

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1915.

Download the Data

  • Data for Ozena 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).