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

Glanworth Threshold Days by Year

4 fixed thresholds counted per year at Glanworth (ASN00044146): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Glanworth Thresholds

  • Glanworth: days with 10 mm (0.39 in) or more of precipitation in 39 years, most in 1950 with 40.
  • Glanworth: days with 25 mm (0.98 in) or more of precipitation in 38 years, most in 1950 with 13.
  • Glanworth: days with 50 mm (1.97 in) or more of precipitation in 25 years, most in 1941 with 5.
  • Glanworth: days with 100 mm (3.94 in) or more of precipitation in 7 years, most in 1936 with 1.
  • 4 fixed thresholds have at least one qualifying day at Glanworth.
39 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Glanworth Days per year at Glanworth with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 40 in 1950. 0102030401936: 171937: 51938: 161939: 221940: 121941: 211942: 111943: 111944: 81945: 81946: 61947: 221948: 61949: 221950: 401951: 81952: 121953: 71954: 211955: 231956: 261957: 91958: 121959: 121960: 171961: 201962: 201963: 181964: 151965: 61966: 151967: 161968: 71969: 101970: 121971: 81973: 171974: 211975: 181936194019441948195219561960196419681973
Days per year at Glanworth with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 40 in 1950.
Days with 10 mm (0.39 in) or more of precipitation per year at Glanworth
YearDaysDecade average
19361715
1937515
19381615
19392215
19401212.7
19412112.7
19421112.7
19431112.7
1944812.7
1945812.7
1946612.7
19472212.7
1948612.7
19492212.7
19504017
1951817
19521217
1953717
19542117
19552317
19562617
1957917
19581217
19591217
19601714.4
19612014.4
19622014.4
19631814.4
19641514.4
1965614.4
19661514.4
19671614.4
1968714.4
19691014.4
19701215.2
1971815.2
19731715.2
19742115.2
19751815.2
First to last qualifying date each year at Glanworth For each year, a bar from the first to the last day at Glanworth meeting 10 mm (0.39 in). 1936: 5 January 1936 to 15 December 19361937: 10 February 1937 to 22 July 19371938: 10 January 1938 to 15 November 19381939: 27 January 1939 to 22 December 19391940: 28 January 1940 to 30 December 19401941: 1 January 1941 to 22 December 19411942: 27 January 1942 to 29 December 19421943: 1 January 1943 to 18 November 19431944: 23 May 1944 to 20 December 19441945: 5 January 1945 to 18 December 19451946: 12 January 1946 to 14 November 19461947: 10 February 1947 to 19 December 19471948: 27 February 1948 to 30 December 19481949: 8 January 1949 to 21 November 19491950: 2 January 1950 to 31 December 19501951: 6 January 1951 to 28 December 19511952: 9 February 1952 to 26 November 19521953: 6 January 1953 to 7 July 19531954: 15 January 1954 to 4 December 19541955: 23 January 1955 to 1 December 19551956: 11 January 1956 to 21 December 19561957: 17 April 1957 to 20 December 19571958: 7 February 1958 to 30 December 19581959: 1 January 1959 to 7 December 19591960: 7 February 1960 to 25 December 19601961: 2 January 1961 to 18 December 19611962: 6 January 1962 to 21 November 19621963: 12 January 1963 to 28 November 19631964: 3 February 1964 to 22 December 19641965: 23 January 1965 to 18 December 19651966: 5 January 1966 to 28 September 19661967: 19 January 1967 to 29 December 19671968: 12 February 1968 to 4 July 19681969: 17 January 1969 to 22 December 19691970: 28 January 1970 to 24 December 19701971: 14 January 1971 to 1 November 19711973: 24 January 1973 to 31 December 19731974: 1 January 1974 to 2 November 19741975: 3 January 1975 to 31 December 197519361941194619511956196119661971JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Glanworth meeting 10 mm (0.39 in).
First to last qualifying date each year at Glanworth
YearFirst dateLast date
19361936-01-051936-12-15
19371937-02-101937-07-22
19381938-01-101938-11-15
19391939-01-271939-12-22
19401940-01-281940-12-30
19411941-01-011941-12-22
19421942-01-271942-12-29
19431943-01-011943-11-18
19441944-05-231944-12-20
19451945-01-051945-12-18
19461946-01-121946-11-14
19471947-02-101947-12-19
19481948-02-271948-12-30
19491949-01-081949-11-21
19501950-01-021950-12-31
19511951-01-061951-12-28
19521952-02-091952-11-26
19531953-01-061953-07-07
19541954-01-151954-12-04
19551955-01-231955-12-01
19561956-01-111956-12-21
19571957-04-171957-12-20
19581958-02-071958-12-30
19591959-01-011959-12-07
19601960-02-071960-12-25
19611961-01-021961-12-18
19621962-01-061962-11-21
19631963-01-121963-11-28
19641964-02-031964-12-22
19651965-01-231965-12-18
19661966-01-051966-09-28
19671967-01-191967-12-29
19681968-02-121968-07-04
19691969-01-171969-12-22
19701970-01-281970-12-24
19711971-01-141971-11-01
19731973-01-241973-12-31
19741974-01-011974-11-02
19751975-01-031975-12-31

Every Fixed Threshold

Fixed thresholds at Glanworth
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain3940195018
25 mm (0.98 in): Days with 25 mm or more rain381319508
50 mm (1.97 in): Days with 50 mm or more rain25519414
100 mm (3.94 in): Days with 100 mm or more rain7119361

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1936.

Download the Data

  • Data for Glanworth 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).