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Built 2026-10-19 (19 October 2026)

Houd Constant Threshold Days by Year (SF000953950)

4 fixed thresholds counted per year at Houd Constant (SF000953950): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Houd Constant Thresholds

  • Houd Constant: days with 10 mm (0.39 in) or more of precipitation in 58 years, most in 1974 with 33.
  • Houd Constant: days with 25 mm (0.98 in) or more of precipitation in 56 years, most in 1981 with 12.
  • Houd Constant: days with 50 mm (1.97 in) or more of precipitation in 27 years, most in 1939 with 3.
  • Houd Constant: days with 100 mm (3.94 in) or more of precipitation in 2 years, most in 1970 with 1.
  • 4 fixed thresholds have at least one qualifying day at Houd Constant.
58 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Houd Constant Days per year at Houd Constant with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 33 in 1974. 0102030401928: 111929: 221930: 141931: 171932: 171933: 101934: 231935: 121936: 201937: 151938: 161939: 261940: 151941: 171942: 191943: 261944: 131945: 101946: 111947: 171948: 161949: 91950: 231951: 91952: 131953: 261954: 211955: 171956: 171957: 141958: 141959: 131960: 101961: 161962: 141963: 261964: 121965: 201966: 111967: 161968: 91969: 141970: 141971: 191972: 121973: 161974: 331975: 221976: 321977: 301978: 151979: 161980: 171981: 201982: 101983: 51984: 111985: 201928193419401946195219581964197019761982
Days per year at Houd Constant with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 33 in 1974.
Days with 10 mm (0.39 in) or more of precipitation per year at Houd Constant
YearDaysDecade average
19281116.5
19292216.5
19301417
19311717
19321717
19331017
19342317
19351217
19362017
19371517
19381617
19392617
19401515.3
19411715.3
19421915.3
19432615.3
19441315.3
19451015.3
19461115.3
19471715.3
19481615.3
1949915.3
19502316.7
1951916.7
19521316.7
19532616.7
19542116.7
19551716.7
19561716.7
19571416.7
19581416.7
19591316.7
19601014.8
19611614.8
19621414.8
19632614.8
19641214.8
19652014.8
19661114.8
19671614.8
1968914.8
19691414.8
19701420.9
19711920.9
19721220.9
19731620.9
19743320.9
19752220.9
19763220.9
19773020.9
19781520.9
19791620.9
19801713.8
19812013.8
19821013.8
1983513.8
19841113.8
19852013.8
First to last qualifying date each year at Houd Constant For each year, a bar from the first to the last day at Houd Constant meeting 10 mm (0.39 in). 1928: 8 January 1928 to 21 December 19281929: 18 January 1929 to 29 December 19291930: 15 January 1930 to 10 October 19301931: 11 January 1931 to 31 December 19311932: 1 January 1932 to 9 November 19321933: 1 January 1933 to 27 December 19331934: 2 January 1934 to 24 December 19341935: 13 January 1935 to 9 September 19351936: 7 February 1936 to 26 November 19361937: 28 January 1937 to 21 December 19371938: 21 January 1938 to 2 December 19381939: 1 January 1939 to 2 November 19391940: 3 February 1940 to 10 November 19401941: 6 January 1941 to 22 December 19411942: 28 January 1942 to 4 December 19421943: 21 January 1943 to 31 December 19431944: 14 January 1944 to 11 October 19441945: 30 January 1945 to 28 November 19451946: 25 January 1946 to 24 November 19461947: 13 January 1947 to 23 December 19471948: 28 January 1948 to 24 November 19481949: 16 February 1949 to 11 December 19491950: 5 January 1950 to 31 December 19501951: 1 January 1951 to 30 September 19511952: 17 February 1952 to 15 December 19521953: 13 January 1953 to 18 December 19531954: 18 January 1954 to 19 November 19541955: 5 January 1955 to 14 December 19551956: 5 February 1956 to 22 December 19561957: 13 January 1957 to 31 December 19571958: 13 January 1958 to 22 December 19581959: 1 January 1959 to 3 December 19591960: 3 February 1960 to 22 November 19601961: 20 January 1961 to 25 December 19611962: 19 January 1962 to 20 November 19621963: 3 January 1963 to 13 December 19631964: 2 January 1964 to 27 December 19641965: 1 February 1965 to 16 November 19651966: 21 January 1966 to 16 December 19661967: 30 January 1967 to 22 November 19671968: 24 March 1968 to 14 November 19681969: 24 February 1969 to 20 November 19691970: 1 February 1970 to 6 December 19701971: 7 February 1971 to 7 November 19711972: 6 January 1972 to 16 December 19721973: 3 February 1973 to 2 December 19731974: 9 January 1974 to 29 November 19741975: 22 January 1975 to 22 December 19751976: 13 January 1976 to 26 December 19761977: 8 January 1977 to 31 December 19771978: 4 January 1978 to 10 December 19781979: 1 January 1979 to 7 October 19791980: 12 January 1980 to 13 December 19801981: 24 January 1981 to 7 December 19811982: 14 January 1982 to 22 September 19821983: 4 April 1983 to 21 December 19831984: 1 January 1984 to 27 November 19841985: 8 February 1985 to 18 December 198519281936194419521960196819761984JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Houd Constant meeting 10 mm (0.39 in).
First to last qualifying date each year at Houd Constant
YearFirst dateLast date
19281928-01-081928-12-21
19291929-01-181929-12-29
19301930-01-151930-10-10
19311931-01-111931-12-31
19321932-01-011932-11-09
19331933-01-011933-12-27
19341934-01-021934-12-24
19351935-01-131935-09-09
19361936-02-071936-11-26
19371937-01-281937-12-21
19381938-01-211938-12-02
19391939-01-011939-11-02
19401940-02-031940-11-10
19411941-01-061941-12-22
19421942-01-281942-12-04
19431943-01-211943-12-31
19441944-01-141944-10-11
19451945-01-301945-11-28
19461946-01-251946-11-24
19471947-01-131947-12-23
19481948-01-281948-11-24
19491949-02-161949-12-11
19501950-01-051950-12-31
19511951-01-011951-09-30
19521952-02-171952-12-15
19531953-01-131953-12-18
19541954-01-181954-11-19
19551955-01-051955-12-14
19561956-02-051956-12-22
19571957-01-131957-12-31
19581958-01-131958-12-22
19591959-01-011959-12-03
19601960-02-031960-11-22
19611961-01-201961-12-25
19621962-01-191962-11-20
19631963-01-031963-12-13
19641964-01-021964-12-27
19651965-02-011965-11-16
19661966-01-211966-12-16
19671967-01-301967-11-22
19681968-03-241968-11-14
19691969-02-241969-11-20
19701970-02-011970-12-06
19711971-02-071971-11-07
19721972-01-061972-12-16
19731973-02-031973-12-02
19741974-01-091974-11-29
19751975-01-221975-12-22
19761976-01-131976-12-26
19771977-01-081977-12-31
19781978-01-041978-12-10
19791979-01-011979-10-07
19801980-01-121980-12-13
19811981-01-241981-12-07
19821982-01-141982-09-22
19831983-04-041983-12-21
19841984-01-011984-11-27
19851985-02-081985-12-18

Every Fixed Threshold

Fixed thresholds at Houd Constant
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain5833197420
25 mm (0.98 in): Days with 25 mm or more rain561219817
50 mm (1.97 in): Days with 50 mm or more rain27319392
100 mm (3.94 in): Days with 100 mm or more rain2119701

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1928.

Download the Data

  • Data for Houd Constant 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).