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Data as of 2025-12-31
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Built 2026-10-19 (19 October 2026)

Telegraph Threshold Days by Year (USC00418897)

5 fixed thresholds counted per year at Telegraph (USC00418897): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Telegraph Thresholds

  • Telegraph: days with 10 mm (0.39 in) or more of precipitation in 52 years, most in 1949 with 34.
  • Telegraph: days with 25 mm (0.98 in) or more of precipitation in 52 years, most in 2007 with 12.
  • Telegraph: days with 50 mm (1.97 in) or more of precipitation in 39 years, most in 1998 with 5.
  • Telegraph: days with 100 mm (3.94 in) or more of precipitation in 10 years, most in 1973 with 2.
  • 5 fixed thresholds have at least one qualifying day at Telegraph.
52 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Telegraph Days per year at Telegraph with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 34 in 1949. 0102030401949: 341950: 141953: 111955: 161956: 61957: 261958: 281959: 191960: 171961: 131962: 151968: 241969: 211970: 141971: 211972: 191973: 231974: 221975: 271976: 301977: 131978: 211979: 221980: 251981: 211982: 231983: 201984: 171985: 201986: 261987: 311988: 121989: 181990: 241991: 301992: 301993: 131994: 191995: 211996: 241997: 171998: 231999: 122000: 202001: 152002: 162003: 182004: 282005: 212006: 112007: 242008: 10194919581969197519811987199319992005
Days per year at Telegraph with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 34 in 1949.
Days with 10 mm (0.39 in) or more of precipitation per year at Telegraph
YearDaysDecade average
19493434
19501417.1
19531117.1
19551617.1
1956617.1
19572617.1
19582817.1
19591917.1
19601718
19611318
19621518
19682418
19692118
19701421.2
19712121.2
19721921.2
19732321.2
19742221.2
19752721.2
19763021.2
19771321.2
19782121.2
19792221.2
19802521.3
19812121.3
19822321.3
19832021.3
19841721.3
19852021.3
19862621.3
19873121.3
19881221.3
19891821.3
19902421.3
19913021.3
19923021.3
19931321.3
19941921.3
19952121.3
19962421.3
19971721.3
19982321.3
19991221.3
20002018.1
20011518.1
20021618.1
20031818.1
20042818.1
20052118.1
20061118.1
20072418.1
20081018.1
First to last qualifying date each year at Telegraph For each year, a bar from the first to the last day at Telegraph meeting 10 mm (0.39 in). 1949: 16 January 1949 to 30 December 19491950: 12 January 1950 to 24 September 19501953: 8 March 1953 to 30 October 19531955: 9 January 1955 to 30 November 19551956: 18 January 1956 to 6 August 19561957: 22 January 1957 to 22 December 19571958: 3 January 1958 to 30 November 19581959: 13 February 1959 to 30 December 19591960: 3 January 1960 to 30 December 19601961: 6 January 1961 to 15 November 19611962: 22 February 1962 to 27 October 19621968: 18 January 1968 to 30 November 19681969: 14 February 1969 to 29 December 19691970: 7 February 1970 to 19 October 19701971: 25 February 1971 to 2 December 19711972: 11 February 1972 to 24 November 19721973: 3 January 1973 to 20 November 19731974: 11 April 1974 to 26 December 19741975: 1 February 1975 to 3 November 19751976: 24 January 1976 to 14 December 19761977: 8 February 1977 to 8 November 19771978: 12 February 1978 to 31 December 19781979: 1 January 1979 to 24 December 19791980: 22 January 1980 to 9 December 19801981: 19 January 1981 to 8 November 19811982: 21 February 1982 to 27 December 19821983: 21 January 1983 to 6 November 19831984: 9 January 1984 to 31 December 19841985: 2 January 1985 to 19 October 19851986: 9 January 1986 to 23 December 19861987: 6 February 1987 to 19 December 19871988: 8 March 1988 to 18 September 19881989: 20 January 1989 to 22 November 19891990: 2 February 1990 to 8 November 19901991: 10 January 1991 to 22 December 19911992: 18 January 1992 to 14 December 19921993: 1 January 1993 to 22 December 19931994: 22 January 1994 to 29 December 19941995: 25 February 1995 to 18 November 19951996: 27 March 1996 to 15 December 19961997: 20 February 1997 to 20 December 19971998: 31 January 1998 to 10 December 19981999: 16 March 1999 to 12 December 19992000: 22 February 2000 to 26 December 20002001: 10 January 2001 to 15 December 20012002: 30 January 2002 to 7 December 20022003: 20 February 2003 to 17 November 20032004: 14 January 2004 to 6 December 20042005: 27 January 2005 to 27 October 20052006: 18 March 2006 to 23 December 20062007: 3 January 2007 to 25 November 20072008: 18 March 2008 to 9 September 200819491959197119781985199219992006JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Telegraph meeting 10 mm (0.39 in).
First to last qualifying date each year at Telegraph
YearFirst dateLast date
19491949-01-161949-12-30
19501950-01-121950-09-24
19531953-03-081953-10-30
19551955-01-091955-11-30
19561956-01-181956-08-06
19571957-01-221957-12-22
19581958-01-031958-11-30
19591959-02-131959-12-30
19601960-01-031960-12-30
19611961-01-061961-11-15
19621962-02-221962-10-27
19681968-01-181968-11-30
19691969-02-141969-12-29
19701970-02-071970-10-19
19711971-02-251971-12-02
19721972-02-111972-11-24
19731973-01-031973-11-20
19741974-04-111974-12-26
19751975-02-011975-11-03
19761976-01-241976-12-14
19771977-02-081977-11-08
19781978-02-121978-12-31
19791979-01-011979-12-24
19801980-01-221980-12-09
19811981-01-191981-11-08
19821982-02-211982-12-27
19831983-01-211983-11-06
19841984-01-091984-12-31
19851985-01-021985-10-19
19861986-01-091986-12-23
19871987-02-061987-12-19
19881988-03-081988-09-18
19891989-01-201989-11-22
19901990-02-021990-11-08
19911991-01-101991-12-22
19921992-01-181992-12-14
19931993-01-011993-12-22
19941994-01-221994-12-29
19951995-02-251995-11-18
19961996-03-271996-12-15
19971997-02-201997-12-20
19981998-01-311998-12-10
19991999-03-161999-12-12
20002000-02-222000-12-26
20012001-01-102001-12-15
20022002-01-302002-12-07
20032003-02-202003-11-17
20042004-01-142004-12-06
20052005-01-272005-10-27
20062006-03-182006-12-23
20072007-01-032007-11-25
20082008-03-182008-09-09

Every Fixed Threshold

Fixed thresholds at Telegraph
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain5234194910
25 mm (0.98 in): Days with 25 mm or more rain521220074
50 mm (1.97 in): Days with 50 mm or more rain39519985
100 mm (3.94 in): Days with 100 mm or more rain10219731
10 cm (3.9 in): Days with 10 cm or more snowfall1219732

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1949.

Download the Data

  • Data for Telegraph 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).