Built 2026-10-19 (19 October 2026)

Troia Threshold Days by Year (BR038100190)

4 fixed thresholds counted per year at Troia (BR038100190): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Troia Thresholds

  • Troia: days with 10 mm (0.39 in) or more of precipitation in 35 years, most in 1940 with 56.
  • Troia: days with 25 mm (0.98 in) or more of precipitation in 34 years, most in 1940 with 18.
  • Troia: days with 50 mm (1.97 in) or more of precipitation in 20 years, most in 1940 with 7.
  • Troia: days with 100 mm (3.94 in) or more of precipitation in 2 years, most in 1940 with 2.
  • 4 fixed thresholds have at least one qualifying day at Troia.
35 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Troia Days per year at Troia with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 56 in 1940. 02040601936: 321937: 281939: 351940: 561941: 291942: 131943: 151944: 321948: 191949: 121950: 271951: 191953: 241954: 111955: 131956: 151957: 171958: 61959: 231960: 211961: 191962: 171963: 181964: 261965: 161966: 161967: 361968: 251969: 291970: 111971: 131972: 131973: 251974: 421975: 14193619411948195319571961196519691973
Days per year at Troia with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 56 in 1940.
Days with 10 mm (0.39 in) or more of precipitation per year at Troia
YearDaysDecade average
19363231.7
19372831.7
19393531.7
19405625.1
19412925.1
19421325.1
19431525.1
19443225.1
19481925.1
19491225.1
19502717.2
19511917.2
19532417.2
19541117.2
19551317.2
19561517.2
19571717.2
1958617.2
19592317.2
19602122.3
19611922.3
19621722.3
19631822.3
19642622.3
19651622.3
19661622.3
19673622.3
19682522.3
19692922.3
19701119.7
19711319.7
19721319.7
19732519.7
19744219.7
19751419.7
First to last qualifying date each year at Troia For each year, a bar from the first to the last day at Troia meeting 10 mm (0.39 in). 1936: 19 January 1936 to 21 June 19361937: 8 January 1937 to 20 December 19371939: 30 January 1939 to 18 October 19391940: 6 January 1940 to 29 June 19401941: 9 February 1941 to 25 June 19411942: 6 February 1942 to 17 December 19421943: 27 January 1943 to 21 December 19431944: 7 January 1944 to 25 December 19441948: 3 March 1948 to 27 June 19481949: 5 February 1949 to 27 November 19491950: 12 January 1950 to 25 December 19501951: 9 January 1951 to 28 December 19511953: 21 February 1953 to 15 June 19531954: 1 February 1954 to 23 November 19541955: 20 January 1955 to 25 October 19551956: 3 February 1956 to 12 May 19561957: 14 January 1957 to 11 June 19571958: 1 March 1958 to 6 December 19581959: 20 January 1959 to 30 May 19591960: 5 March 1960 to 22 May 19601961: 17 January 1961 to 22 May 19611962: 8 February 1962 to 17 December 19621963: 22 January 1963 to 25 December 19631964: 12 January 1964 to 4 August 19641965: 20 March 1965 to 18 June 19651966: 13 February 1966 to 15 May 19661967: 3 February 1967 to 23 July 19671968: 9 February 1968 to 21 July 19681969: 22 January 1969 to 17 November 19691970: 20 January 1970 to 18 May 19701971: 27 January 1971 to 9 July 19711972: 21 January 1972 to 20 December 19721973: 5 January 1973 to 14 September 19731974: 15 January 1974 to 1 December 19741975: 3 January 1975 to 2 December 19751936194219501956196119661971JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Troia meeting 10 mm (0.39 in).
First to last qualifying date each year at Troia
YearFirst dateLast date
19361936-01-191936-06-21
19371937-01-081937-12-20
19391939-01-301939-10-18
19401940-01-061940-06-29
19411941-02-091941-06-25
19421942-02-061942-12-17
19431943-01-271943-12-21
19441944-01-071944-12-25
19481948-03-031948-06-27
19491949-02-051949-11-27
19501950-01-121950-12-25
19511951-01-091951-12-28
19531953-02-211953-06-15
19541954-02-011954-11-23
19551955-01-201955-10-25
19561956-02-031956-05-12
19571957-01-141957-06-11
19581958-03-011958-12-06
19591959-01-201959-05-30
19601960-03-051960-05-22
19611961-01-171961-05-22
19621962-02-081962-12-17
19631963-01-221963-12-25
19641964-01-121964-08-04
19651965-03-201965-06-18
19661966-02-131966-05-15
19671967-02-031967-07-23
19681968-02-091968-07-21
19691969-01-221969-11-17
19701970-01-201970-05-18
19711971-01-271971-07-09
19721972-01-211972-12-20
19731973-01-051973-09-14
19741974-01-151974-12-01
19751975-01-031975-12-02

Every Fixed Threshold

Fixed thresholds at Troia
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain3556194014
25 mm (0.98 in): Days with 25 mm or more rain341819409
50 mm (1.97 in): Days with 50 mm or more rain20719404
100 mm (3.94 in): Days with 100 mm or more rain2219401

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 Troia 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).