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

Seguin Threshold Days by Year (USC00418186)

17 fixed thresholds counted per year at Seguin (USC00418186): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Seguin Thresholds

  • Seguin: days with 10 mm (0.39 in) or more of precipitation in 49 years, most in 1935 with 37.
  • Seguin: days with 25 mm (0.98 in) or more of precipitation in 49 years, most in 1935 with 19.
  • Seguin: nights with a minimum temperature at or below 0 C (32 F) in 47 years, most in 1948 with 40.
  • Seguin: nights with a minimum temperature at or above 20 C (68 F) in 47 years, most in 1933 with 179.
  • 17 fixed thresholds have at least one qualifying day at Seguin.
46 years with a qualifying day
Days at or above 30 C (86 F) per year at Seguin Days per year at Seguin with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 208 in 1938. 01002003001923: 1401924: 1371925: 1781926: 1571927: 2001928: 1511929: 1461930: 1621931: 1731932: 1631933: 1781934: 1751935: 1771936: 1261937: 1591938: 2081939: 1831942: 1241943: 1481944: 1301946: 1341947: 1651948: 1731949: 1491950: 1731951: 1621952: 1391953: 1671954: 1791955: 1931956: 1831957: 1351958: 1401959: 1591960: 1561961: 1591962: 1761963: 2021964: 1501965: 1461966: 1531967: 1811968: 1421969: 1481970: 1481971: 1751923192819331938194619511956196119661971
Days per year at Seguin with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 208 in 1938.
Days at or above 30 C (86 F) per year at Seguin
YearDaysDecade average
1923140158.4
1924137158.4
1925178158.4
1926157158.4
1927200158.4
1928151158.4
1929146158.4
1930162170.4
1931173170.4
1932163170.4
1933178170.4
1934175170.4
1935177170.4
1936126170.4
1937159170.4
1938208170.4
1939183170.4
1942124146.1
1943148146.1
1944130146.1
1946134146.1
1947165146.1
1948173146.1
1949149146.1
1950173163
1951162163
1952139163
1953167163
1954179163
1955193163
1956183163
1957135163
1958140163
1959159163
1960156161.3
1961159161.3
1962176161.3
1963202161.3
1964150161.3
1965146161.3
1966153161.3
1967181161.3
1968142161.3
1969148161.3
1970148161.5
1971175161.5
First to last qualifying date each year at Seguin For each year, a bar from the first to the last day at Seguin meeting 30 C (86 F). 1923: 4 April 1923 to 13 October 19231924: 14 April 1924 to 14 November 19241925: 25 March 1925 to 24 October 19251926: 6 April 1926 to 28 October 19261927: 22 February 1927 to 15 November 19271928: 12 March 1928 to 21 October 19281929: 22 March 1929 to 30 October 19291930: 22 February 1930 to 21 October 19301931: 14 April 1931 to 17 November 19311932: 29 February 1932 to 7 November 19321933: 9 March 1933 to 30 November 19331934: 22 March 1934 to 2 November 19341935: 20 March 1935 to 10 November 19351936: 17 January 1936 to 20 October 19361937: 15 April 1937 to 1 November 19371938: 18 January 1938 to 18 November 19381939: 4 March 1939 to 11 December 19391942: 29 April 1942 to 1 November 19421943: 14 March 1943 to 31 October 19431944: 25 March 1944 to 26 October 19441946: 28 March 1946 to 8 November 19461947: 26 March 1947 to 10 November 19471948: 15 March 1948 to 4 November 19481949: 6 March 1949 to 29 November 19491950: 23 March 1950 to 19 November 19501951: 12 February 1951 to 15 November 19511952: 19 March 1952 to 15 November 19521953: 1 March 1953 to 21 October 19531954: 10 February 1954 to 26 October 19541955: 10 March 1955 to 25 December 19551956: 17 February 1956 to 29 October 19561957: 9 February 1957 to 16 October 19571958: 3 April 1958 to 10 October 19581959: 14 March 1959 to 31 October 19591960: 9 February 1960 to 2 November 19601961: 7 March 1961 to 1 November 19611962: 9 February 1962 to 11 November 19621963: 10 January 1963 to 7 November 19631964: 3 April 1964 to 17 October 19641965: 10 March 1965 to 24 November 19651966: 1 April 1966 to 6 December 19661967: 10 March 1967 to 26 November 19671968: 27 April 1968 to 2 November 19681969: 5 April 1969 to 12 November 19691970: 11 April 1970 to 22 November 19701971: 3 January 1971 to 30 October 197119231929193519431950195619621968JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Seguin meeting 30 C (86 F).
First to last qualifying date each year at Seguin
YearFirst dateLast date
19231923-04-041923-10-13
19241924-04-141924-11-14
19251925-03-251925-10-24
19261926-04-061926-10-28
19271927-02-221927-11-15
19281928-03-121928-10-21
19291929-03-221929-10-30
19301930-02-221930-10-21
19311931-04-141931-11-17
19321932-02-291932-11-07
19331933-03-091933-11-30
19341934-03-221934-11-02
19351935-03-201935-11-10
19361936-01-171936-10-20
19371937-04-151937-11-01
19381938-01-181938-11-18
19391939-03-041939-12-11
19421942-04-291942-11-01
19431943-03-141943-10-31
19441944-03-251944-10-26
19461946-03-281946-11-08
19471947-03-261947-11-10
19481948-03-151948-11-04
19491949-03-061949-11-29
19501950-03-231950-11-19
19511951-02-121951-11-15
19521952-03-191952-11-15
19531953-03-011953-10-21
19541954-02-101954-10-26
19551955-03-101955-12-25
19561956-02-171956-10-29
19571957-02-091957-10-16
19581958-04-031958-10-10
19591959-03-141959-10-31
19601960-02-091960-11-02
19611961-03-071961-11-01
19621962-02-091962-11-11
19631963-01-101963-11-07
19641964-04-031964-10-17
19651965-03-101965-11-24
19661966-04-011966-12-06
19671967-03-101967-11-26
19681968-04-271968-11-02
19691969-04-051969-11-12
19701970-04-111970-11-22
19711971-01-031971-10-30

Every Fixed Threshold

Fixed thresholds at Seguin
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days462081938175
35 C (95 F): Days46117193870
40 C (104 F): Days182519255
90 F (32.2 C): Days461721938135
100 F (37.8 C): Days4559193924
110 F (43.3 C): Days1119541
0 C (32 F): Ice days (max16419481
0 C (32 F): Frost days (min4740194817
-10 C (14 F): Days with min8219331
20 C (68 F): Tropical nights (min471791933155
25 C (77 F): Days with min4148192411
10 mm (0.39 in): Days with 10 mm or more rain4937193524
25 mm (0.98 in): Days with 25 mm or more rain4919193510
50 mm (1.97 in): Days with 50 mm or more rain43719493
100 mm (3.94 in): Days with 100 mm or more rain14319421
200 mm (7.87 in): Days with 200 mm or more rain1119361
10 cm (3.9 in): Days with 10 cm or more snowfall2119261

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1923.

Download the Data

  • Data for Seguin 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).