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Built 2026-10-19 (19 October 2026)

St Albans Threshold Days by Year (ASN00010638)

4 fixed thresholds counted per year at St Albans (ASN00010638): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for St Albans Thresholds

  • St Albans: days with 10 mm (0.39 in) or more of precipitation in 101 years, most in 1917 with 16.
  • St Albans: days with 25 mm (0.98 in) or more of precipitation in 78 years, most in 1942 with 5.
  • St Albans: days with 50 mm (1.97 in) or more of precipitation in 15 years, most in 1913 with 1.
  • St Albans: days with 100 mm (3.94 in) or more of precipitation in 2 years, most in 1990 with 1.
  • 4 fixed thresholds have at least one qualifying day at St Albans.
101 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at St Albans Days per year at St Albans with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 16 in 1917. 051015201912: 71913: 61914: 61915: 101916: 111917: 161918: 151919: 121920: 101921: 111922: 61923: 81924: 61925: 81926: 131927: 91928: 71929: 131930: 131931: 61932: 151933: 81934: 91935: 81936: 71937: 61938: 61939: 111940: 71941: 71942: 111943: 91944: 41945: 81946: 111947: 91948: 81949: 81950: 61951: 101952: 61953: 91954: 71955: 91956: 51957: 81958: 151959: 81962: 51963: 161964: 101965: 121966: 81967: 51968: 111969: 71970: 41971: 61972: 61973: 101974: 131975: 91976: 121977: 71978: 121979: 91980: 31981: 71982: 71983: 141984: 131985: 71986: 71987: 101988: 121989: 101990: 91991: 91992: 111993: 81994: 71995: 101996: 91997: 101998: 61999: 102000: 72001: 92002: 42003: 122004: 52005: 102006: 152008: 92009: 72014: 82018: 102019: 72020: 72021: 122022: 121912192319341945195619691980199120022021
Days per year at St Albans with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 16 in 1917.
Days with 10 mm (0.39 in) or more of precipitation per year at St Albans
YearDaysDecade average
1912710.4
1913610.4
1914610.4
19151010.4
19161110.4
19171610.4
19181510.4
19191210.4
1920109.1
1921119.1
192269.1
192389.1
192469.1
192589.1
1926139.1
192799.1
192879.1
1929139.1
1930138.9
193168.9
1932158.9
193388.9
193498.9
193588.9
193678.9
193768.9
193868.9
1939118.9
194078.2
194178.2
1942118.2
194398.2
194448.2
194588.2
1946118.2
194798.2
194888.2
194988.2
195068.3
1951108.3
195268.3
195398.3
195478.3
195598.3
195658.3
195788.3
1958158.3
195988.3
196259.3
1963169.3
1964109.3
1965129.3
196689.3
196759.3
1968119.3
196979.3
197048.8
197168.8
197268.8
1973108.8
1974138.8
197598.8
1976128.8
197778.8
1978128.8
197998.8
198039
198179
198279
1983149
1984139
198579
198679
1987109
1988129
1989109
199098.9
199198.9
1992118.9
199388.9
199478.9
1995108.9
199698.9
1997108.9
199868.9
1999108.9
200078.7
200198.7
200248.7
2003128.7
200458.7
2005108.7
2006158.7
200898.7
200978.7
201488.3
2018108.3
201978.3
2020710.3
20211210.3
20221210.3
First to last qualifying date each year at St Albans For each year, a bar from the first to the last day at St Albans meeting 10 mm (0.39 in). 1912: 8 May 1912 to 21 October 19121913: 1 August 1913 to 20 December 19131914: 26 August 1914 to 30 December 19141915: 1 February 1915 to 12 September 19151916: 21 January 1916 to 5 October 19161917: 16 March 1917 to 1 October 19171918: 4 February 1918 to 17 October 19181919: 30 March 1919 to 8 November 19191920: 13 March 1920 to 25 November 19201921: 20 February 1921 to 19 December 19211922: 18 May 1922 to 15 December 19221923: 20 January 1923 to 26 August 19231924: 12 February 1924 to 27 October 19241925: 24 January 1925 to 10 September 19251926: 10 March 1926 to 19 November 19261927: 13 March 1927 to 14 December 19271928: 23 May 1928 to 8 August 19281929: 17 March 1929 to 15 November 19291930: 12 March 1930 to 13 December 19301931: 4 May 1931 to 5 September 19311932: 6 April 1932 to 23 October 19321933: 8 January 1933 to 16 October 19331934: 9 March 1934 to 4 November 19341935: 6 January 1935 to 19 October 19351936: 19 January 1936 to 23 August 19361937: 4 March 1937 to 23 August 19371938: 15 March 1938 to 28 September 19381939: 14 February 1939 to 2 November 19391940: 23 January 1940 to 3 December 19401941: 5 May 1941 to 13 December 19411942: 14 March 1942 to 1 December 19421943: 31 January 1943 to 23 August 19431944: 18 May 1944 to 10 August 19441945: 26 March 1945 to 21 August 19451946: 29 May 1946 to 11 November 19461947: 6 March 1947 to 19 November 19471948: 5 June 1948 to 28 September 19481949: 4 June 1949 to 1 September 19491950: 6 May 1950 to 13 September 19501951: 14 February 1951 to 3 December 19511952: 29 March 1952 to 19 December 19521953: 24 March 1953 to 11 October 19531954: 23 May 1954 to 19 August 19541955: 6 February 1955 to 25 September 19551956: 9 June 1956 to 29 November 19561957: 20 January 1957 to 22 June 19571958: 23 May 1958 to 26 November 19581959: 1 June 1959 to 22 November 19591962: 13 May 1962 to 21 December 19621963: 20 February 1963 to 19 September 19631964: 28 March 1964 to 8 November 19641965: 5 May 1965 to 27 November 19651966: 2 January 1966 to 7 October 19661967: 9 May 1967 to 26 July 19671968: 27 January 1968 to 10 September 19681969: 20 March 1969 to 4 November 19691970: 17 February 1970 to 25 September 19701971: 27 March 1971 to 11 November 19711972: 2 March 1972 to 27 July 19721973: 8 January 1973 to 15 November 19731974: 2 March 1974 to 19 November 19741975: 1 April 1975 to 10 December 19751976: 7 January 1976 to 7 November 19761977: 16 May 1977 to 23 December 19771978: 24 February 1978 to 15 December 19781979: 12 February 1979 to 22 September 19791980: 24 February 1980 to 31 December 19801981: 12 January 1981 to 6 November 19811982: 21 January 1982 to 15 September 19821983: 2 June 1983 to 31 December 19831984: 4 March 1984 to 3 November 19841985: 26 May 1985 to 13 October 19851986: 22 February 1986 to 9 November 19861987: 26 April 1987 to 26 December 19871988: 24 March 1988 to 4 December 19881989: 15 January 1989 to 18 August 19891990: 21 January 1990 to 30 October 19901991: 10 April 1991 to 26 December 19911992: 9 February 1992 to 9 December 19921993: 19 March 1993 to 20 December 19931994: 23 May 1994 to 14 October 19941995: 19 January 1995 to 18 October 19951996: 20 April 1996 to 6 November 19961997: 24 February 1997 to 6 September 19971998: 16 April 1998 to 29 August 19981999: 23 January 1999 to 13 December 19992000: 11 January 2000 to 6 September 20002001: 21 January 2001 to 1 December 20012002: 1 February 2002 to 22 November 20022003: 17 February 2003 to 18 December 20032004: 18 February 2004 to 3 November 20042005: 28 March 2005 to 18 August 20052006: 8 January 2006 to 18 December 20062008: 6 April 2008 to 11 December 20082009: 28 January 2009 to 19 November 20092014: 27 April 2014 to 28 November 20142018: 15 January 2018 to 3 November 20182019: 5 April 2019 to 13 August 20192020: 7 February 2020 to 7 September 20202021: 4 March 2021 to 27 October 20212022: 29 March 2022 to 24 October 202219121925193819511966197919922005JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at St Albans meeting 10 mm (0.39 in).
First to last qualifying date each year at St Albans
YearFirst dateLast date
19121912-05-081912-10-21
19131913-08-011913-12-20
19141914-08-261914-12-30
19151915-02-011915-09-12
19161916-01-211916-10-05
19171917-03-161917-10-01
19181918-02-041918-10-17
19191919-03-301919-11-08
19201920-03-131920-11-25
19211921-02-201921-12-19
19221922-05-181922-12-15
19231923-01-201923-08-26
19241924-02-121924-10-27
19251925-01-241925-09-10
19261926-03-101926-11-19
19271927-03-131927-12-14
19281928-05-231928-08-08
19291929-03-171929-11-15
19301930-03-121930-12-13
19311931-05-041931-09-05
19321932-04-061932-10-23
19331933-01-081933-10-16
19341934-03-091934-11-04
19351935-01-061935-10-19
19361936-01-191936-08-23
19371937-03-041937-08-23
19381938-03-151938-09-28
19391939-02-141939-11-02
19401940-01-231940-12-03
19411941-05-051941-12-13
19421942-03-141942-12-01
19431943-01-311943-08-23
19441944-05-181944-08-10
19451945-03-261945-08-21
19461946-05-291946-11-11
19471947-03-061947-11-19
19481948-06-051948-09-28
19491949-06-041949-09-01
19501950-05-061950-09-13
19511951-02-141951-12-03
19521952-03-291952-12-19
19531953-03-241953-10-11
19541954-05-231954-08-19
19551955-02-061955-09-25
19561956-06-091956-11-29
19571957-01-201957-06-22
19581958-05-231958-11-26
19591959-06-011959-11-22
19621962-05-131962-12-21
19631963-02-201963-09-19
19641964-03-281964-11-08
19651965-05-051965-11-27
19661966-01-021966-10-07
19671967-05-091967-07-26
19681968-01-271968-09-10
19691969-03-201969-11-04
19701970-02-171970-09-25
19711971-03-271971-11-11
19721972-03-021972-07-27
19731973-01-081973-11-15
19741974-03-021974-11-19
19751975-04-011975-12-10
19761976-01-071976-11-07
19771977-05-161977-12-23
19781978-02-241978-12-15
19791979-02-121979-09-22
19801980-02-241980-12-31
19811981-01-121981-11-06
19821982-01-211982-09-15
19831983-06-021983-12-31
19841984-03-041984-11-03
19851985-05-261985-10-13
19861986-02-221986-11-09
19871987-04-261987-12-26
19881988-03-241988-12-04
19891989-01-151989-08-18
19901990-01-211990-10-30
19911991-04-101991-12-26
19921992-02-091992-12-09
19931993-03-191993-12-20
19941994-05-231994-10-14
19951995-01-191995-10-18
19961996-04-201996-11-06
19971997-02-241997-09-06
19981998-04-161998-08-29
19991999-01-231999-12-13
20002000-01-112000-09-06
20012001-01-212001-12-01
20022002-02-012002-11-22
20032003-02-172003-12-18
20042004-02-182004-11-03
20052005-03-282005-08-18
20062006-01-082006-12-18
20082008-04-062008-12-11
20092009-01-282009-11-19
20142014-04-272014-11-28
20182018-01-152018-11-03
20192019-04-052019-08-13
20202020-02-072020-09-07
20212021-03-042021-10-27
20222022-03-292022-10-24

Every Fixed Threshold

Fixed thresholds at St Albans
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain10116191712
25 mm (0.98 in): Days with 25 mm or more rain78519423
50 mm (1.97 in): Days with 50 mm or more rain15119131
100 mm (3.94 in): Days with 100 mm or more rain2119901

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1912.

Download the Data

  • Data for St Albans 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).