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

Tripoli Threshold Days by Year (LEE00147735)

4 fixed thresholds counted per year at Tripoli (LEE00147735): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Tripoli Thresholds

  • Tripoli: days with 10 mm (0.39 in) or more of precipitation in 11 years, most in 1938 with 44.
  • Tripoli: days with 25 mm (0.98 in) or more of precipitation in 11 years, most in 1967 with 18.
  • Tripoli: days with 50 mm (1.97 in) or more of precipitation in 10 years, most in 1967 with 5.
  • Tripoli: days with 100 mm (3.94 in) or more of precipitation in 1 years, most in 1938 with 1.
  • 4 fixed thresholds have at least one qualifying day at Tripoli.
11 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Tripoli Days per year at Tripoli with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 44 in 1938. 02040601932: 131934: 271936: 221937: 301938: 441939: 311965: 301967: 381968: 341969: 311970: 25193219361938196519681970
Days per year at Tripoli with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 44 in 1938.
Days with 10 mm (0.39 in) or more of precipitation per year at Tripoli
YearDaysDecade average
19321327.8
19342727.8
19362227.8
19373027.8
19384427.8
19393127.8
19653033.3
19673833.3
19683433.3
19693133.3
19702525
First to last qualifying date each year at Tripoli For each year, a bar from the first to the last day at Tripoli meeting 10 mm (0.39 in). 1932: 4 January 1932 to 19 November 19321934: 6 January 1934 to 31 December 19341936: 8 February 1936 to 28 December 19361937: 11 January 1937 to 31 December 19371938: 1 January 1938 to 31 December 19381939: 1 January 1939 to 22 December 19391965: 3 January 1965 to 26 December 19651967: 2 January 1967 to 30 December 19671968: 4 January 1968 to 26 December 19681969: 7 January 1969 to 31 December 19691970: 19 January 1970 to 30 November 1970193219361938196519681970JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Tripoli meeting 10 mm (0.39 in).
First to last qualifying date each year at Tripoli
YearFirst dateLast date
19321932-01-041932-11-19
19341934-01-061934-12-31
19361936-02-081936-12-28
19371937-01-111937-12-31
19381938-01-011938-12-31
19391939-01-011939-12-22
19651965-01-031965-12-26
19671967-01-021967-12-30
19681968-01-041968-12-26
19691969-01-071969-12-31
19701970-01-191970-11-30

Every Fixed Threshold

Fixed thresholds at Tripoli
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain1144193825
25 mm (0.98 in): Days with 25 mm or more rain111819676
50 mm (1.97 in): Days with 50 mm or more rain10519671
100 mm (3.94 in): Days with 100 mm or more rain1119381

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1932.

Download the Data

  • Data for Tripoli 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).