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

The Warren Threshold Days by Year

4 fixed thresholds counted per year at The Warren (ASN00071018): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for The Warren Thresholds

  • The Warren: days with 10 mm (0.39 in) or more of precipitation in 34 years, most in 1952 with 49.
  • The Warren: days with 25 mm (0.98 in) or more of precipitation in 34 years, most in 1950 with 21.
  • The Warren: days with 50 mm (1.97 in) or more of precipitation in 15 years, most in 1934 with 4.
  • The Warren: days with 100 mm (3.94 in) or more of precipitation in 1 years, most in 1935 with 1.
  • 4 fixed thresholds have at least one qualifying day at The Warren.
34 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at The Warren Days per year at The Warren with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 49 in 1952. 02040601924: 271925: 271926: 261927: 201928: 321929: 221930: 261931: 331932: 331933: 271934: 341935: 341936: 331937: 241938: 141939: 341940: 261941: 231942: 411943: 291944: 171945: 311946: 411947: 361948: 311949: 341950: 351951: 311952: 491953: 271954: 241955: 391956: 421957: 25192419281932193619401944194819521956
Days per year at The Warren with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 49 in 1952.
Days with 10 mm (0.39 in) or more of precipitation per year at The Warren
YearDaysDecade average
19242725.7
19252725.7
19262625.7
19272025.7
19283225.7
19292225.7
19302629.2
19313329.2
19323329.2
19332729.2
19343429.2
19353429.2
19363329.2
19372429.2
19381429.2
19393429.2
19402630.9
19412330.9
19424130.9
19432930.9
19441730.9
19453130.9
19464130.9
19473630.9
19483130.9
19493430.9
19503534
19513134
19524934
19532734
19542434
19553934
19564234
19572534
First to last qualifying date each year at The Warren For each year, a bar from the first to the last day at The Warren meeting 10 mm (0.39 in). 1924: 3 January 1924 to 15 December 19241925: 8 January 1925 to 20 November 19251926: 5 January 1926 to 22 December 19261927: 6 January 1927 to 5 November 19271928: 19 January 1928 to 23 December 19281929: 15 February 1929 to 28 December 19291930: 13 February 1930 to 25 December 19301931: 25 January 1931 to 17 November 19311932: 6 February 1932 to 24 December 19321933: 23 January 1933 to 15 December 19331934: 6 January 1934 to 29 December 19341935: 13 January 1935 to 26 December 19351936: 4 January 1936 to 27 December 19361937: 13 January 1937 to 28 December 19371938: 2 January 1938 to 23 November 19381939: 16 January 1939 to 29 November 19391940: 7 January 1940 to 29 December 19401941: 3 January 1941 to 19 November 19411942: 12 February 1942 to 22 December 19421943: 14 January 1943 to 13 December 19431944: 10 March 1944 to 23 December 19441945: 11 January 1945 to 19 December 19451946: 5 January 1946 to 28 December 19461947: 10 February 1947 to 21 December 19471948: 12 January 1948 to 30 December 19481949: 25 January 1949 to 21 December 19491950: 19 January 1950 to 21 December 19501951: 20 February 1951 to 16 December 19511952: 29 March 1952 to 29 December 19521953: 4 January 1953 to 31 December 19531954: 3 January 1954 to 26 December 19541955: 26 January 1955 to 27 December 19551956: 12 January 1956 to 14 December 19561957: 6 February 1957 to 31 December 19571924192919341939194419491954JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at The Warren meeting 10 mm (0.39 in).
First to last qualifying date each year at The Warren
YearFirst dateLast date
19241924-01-031924-12-15
19251925-01-081925-11-20
19261926-01-051926-12-22
19271927-01-061927-11-05
19281928-01-191928-12-23
19291929-02-151929-12-28
19301930-02-131930-12-25
19311931-01-251931-11-17
19321932-02-061932-12-24
19331933-01-231933-12-15
19341934-01-061934-12-29
19351935-01-131935-12-26
19361936-01-041936-12-27
19371937-01-131937-12-28
19381938-01-021938-11-23
19391939-01-161939-11-29
19401940-01-071940-12-29
19411941-01-031941-11-19
19421942-02-121942-12-22
19431943-01-141943-12-13
19441944-03-101944-12-23
19451945-01-111945-12-19
19461946-01-051946-12-28
19471947-02-101947-12-21
19481948-01-121948-12-30
19491949-01-251949-12-21
19501950-01-191950-12-21
19511951-02-201951-12-16
19521952-03-291952-12-29
19531953-01-041953-12-31
19541954-01-031954-12-26
19551955-01-261955-12-27
19561956-01-121956-12-14
19571957-02-061957-12-31

Every Fixed Threshold

Fixed thresholds at The Warren
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain3449195225
25 mm (0.98 in): Days with 25 mm or more rain342119505
50 mm (1.97 in): Days with 50 mm or more rain15419341
100 mm (3.94 in): Days with 100 mm or more rain1119351

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1924.

Download the Data

  • Data for The Warren 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).