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Data as of 2025-12-31
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Built 2026-10-18 (18 October 2026)

Haarlem Threshold Days by Year

4 fixed thresholds counted per year at Haarlem (SF004685000): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Haarlem Thresholds

  • Haarlem: days with 10 mm (0.39 in) or more of precipitation in 60 years, most in 1976 with 28.
  • Haarlem: days with 25 mm (0.98 in) or more of precipitation in 58 years, most in 1976 with 15.
  • Haarlem: days with 50 mm (1.97 in) or more of precipitation in 23 years, most in 1976 with 5.
  • Haarlem: days with 100 mm (3.94 in) or more of precipitation in 3 years, most in 1936 with 1.
  • 4 fixed thresholds have at least one qualifying day at Haarlem.
60 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Haarlem Days per year at Haarlem with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 28 in 1976. 01020301926: 131927: 101928: 141929: 171930: 121931: 161932: 91933: 81934: 211935: 101936: 171937: 151938: 61939: 181940: 161941: 101943: 221944: 211945: 121946: 101947: 131948: 141949: 101950: 261951: 131952: 81953: 171954: 121955: 171956: 91957: 141958: 161959: 91960: 131961: 191962: 101963: 181964: 71965: 91966: 161967: 221968: 131969: 81970: 61971: 171972: 181973: 211974: 211975: 241976: 281977: 131978: 171979: 131980: 71981: 101982: 111983: 141984: 91990: 121991: 181926193219381945195119571963196919751981
Days per year at Haarlem with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 28 in 1976.
Days with 10 mm (0.39 in) or more of precipitation per year at Haarlem
YearDaysDecade average
19261313.5
19271013.5
19281413.5
19291713.5
19301213.2
19311613.2
1932913.2
1933813.2
19342113.2
19351013.2
19361713.2
19371513.2
1938613.2
19391813.2
19401614.2
19411014.2
19432214.2
19442114.2
19451214.2
19461014.2
19471314.2
19481414.2
19491014.2
19502614.1
19511314.1
1952814.1
19531714.1
19541214.1
19551714.1
1956914.1
19571414.1
19581614.1
1959914.1
19601313.5
19611913.5
19621013.5
19631813.5
1964713.5
1965913.5
19661613.5
19672213.5
19681313.5
1969813.5
1970617.8
19711717.8
19721817.8
19732117.8
19742117.8
19752417.8
19762817.8
19771317.8
19781717.8
19791317.8
1980710.2
19811010.2
19821110.2
19831410.2
1984910.2
19901215
19911815
First to last qualifying date each year at Haarlem For each year, a bar from the first to the last day at Haarlem meeting 10 mm (0.39 in). 1926: 1 February 1926 to 7 December 19261927: 26 January 1927 to 27 December 19271928: 8 January 1928 to 1 December 19281929: 14 January 1929 to 18 December 19291930: 16 January 1930 to 15 December 19301931: 1 January 1931 to 7 November 19311932: 4 February 1932 to 25 December 19321933: 30 January 1933 to 28 December 19331934: 3 January 1934 to 10 December 19341935: 12 January 1935 to 28 April 19351936: 6 January 1936 to 26 December 19361937: 14 January 1937 to 14 December 19371938: 29 January 1938 to 23 December 19381939: 25 January 1939 to 19 December 19391940: 5 January 1940 to 23 December 19401941: 14 January 1941 to 18 April 19411943: 15 January 1943 to 31 December 19431944: 1 January 1944 to 7 December 19441945: 9 January 1945 to 23 December 19451946: 18 January 1946 to 6 November 19461947: 11 January 1947 to 27 December 19471948: 22 January 1948 to 10 November 19481949: 29 January 1949 to 29 December 19491950: 8 January 1950 to 31 December 19501951: 19 January 1951 to 31 October 19511952: 30 January 1952 to 14 December 19521953: 8 January 1953 to 20 December 19531954: 7 January 1954 to 20 December 19541955: 19 January 1955 to 27 December 19551956: 22 February 1956 to 10 December 19561957: 11 January 1957 to 25 December 19571958: 12 January 1958 to 10 December 19581959: 1 January 1959 to 9 December 19591960: 17 January 1960 to 30 December 19601961: 21 January 1961 to 19 December 19611962: 3 February 1962 to 12 December 19621963: 1 January 1963 to 9 December 19631964: 19 January 1964 to 23 December 19641965: 8 January 1965 to 13 November 19651966: 19 January 1966 to 29 December 19661967: 4 January 1967 to 17 November 19671968: 22 January 1968 to 1 December 19681969: 12 February 1969 to 9 April 19691970: 16 January 1970 to 26 December 19701971: 14 January 1971 to 19 December 19711972: 4 January 1972 to 6 November 19721973: 2 January 1973 to 23 December 19731974: 14 January 1974 to 28 December 19741975: 23 January 1975 to 18 December 19751976: 1 January 1976 to 25 December 19761977: 10 January 1977 to 1 December 19771978: 18 January 1978 to 3 December 19781979: 17 January 1979 to 5 December 19791980: 22 January 1980 to 1 December 19801981: 21 January 1981 to 11 December 19811982: 10 January 1982 to 5 December 19821983: 13 January 1983 to 10 December 19831984: 5 February 1984 to 31 October 19841990: 22 January 1990 to 13 December 19901991: 5 January 1991 to 27 December 199119261934194319511959196719751983JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Haarlem meeting 10 mm (0.39 in).
First to last qualifying date each year at Haarlem
YearFirst dateLast date
19261926-02-011926-12-07
19271927-01-261927-12-27
19281928-01-081928-12-01
19291929-01-141929-12-18
19301930-01-161930-12-15
19311931-01-011931-11-07
19321932-02-041932-12-25
19331933-01-301933-12-28
19341934-01-031934-12-10
19351935-01-121935-04-28
19361936-01-061936-12-26
19371937-01-141937-12-14
19381938-01-291938-12-23
19391939-01-251939-12-19
19401940-01-051940-12-23
19411941-01-141941-04-18
19431943-01-151943-12-31
19441944-01-011944-12-07
19451945-01-091945-12-23
19461946-01-181946-11-06
19471947-01-111947-12-27
19481948-01-221948-11-10
19491949-01-291949-12-29
19501950-01-081950-12-31
19511951-01-191951-10-31
19521952-01-301952-12-14
19531953-01-081953-12-20
19541954-01-071954-12-20
19551955-01-191955-12-27
19561956-02-221956-12-10
19571957-01-111957-12-25
19581958-01-121958-12-10
19591959-01-011959-12-09
19601960-01-171960-12-30
19611961-01-211961-12-19
19621962-02-031962-12-12
19631963-01-011963-12-09
19641964-01-191964-12-23
19651965-01-081965-11-13
19661966-01-191966-12-29
19671967-01-041967-11-17
19681968-01-221968-12-01
19691969-02-121969-04-09
19701970-01-161970-12-26
19711971-01-141971-12-19
19721972-01-041972-11-06
19731973-01-021973-12-23
19741974-01-141974-12-28
19751975-01-231975-12-18
19761976-01-011976-12-25
19771977-01-101977-12-01
19781978-01-181978-12-03
19791979-01-171979-12-05
19801980-01-221980-12-01
19811981-01-211981-12-11
19821982-01-101982-12-05
19831983-01-131983-12-10
19841984-02-051984-10-31
19901990-01-221990-12-13
19911991-01-051991-12-27

Every Fixed Threshold

Fixed thresholds at Haarlem
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain6028197618
25 mm (0.98 in): Days with 25 mm or more rain581519765
50 mm (1.97 in): Days with 50 mm or more rain23519761
100 mm (3.94 in): Days with 100 mm or more rain3119361

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1926.

Download the Data

  • Data for Haarlem 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 2026-10-16 (16 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2025-12-31).