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Built 2026-10-19 (19 October 2026)

Carville 2 SW Threshold Days by Year (USC00161565)

15 fixed thresholds counted per year at Carville 2 SW (USC00161565): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Carville 2 SW Thresholds

  • Carville 2 SW: days with 10 mm (0.39 in) or more of precipitation in 84 years, most in 1946 with 61.
  • Carville 2 SW: days with 25 mm (0.98 in) or more of precipitation in 84 years, most in 1983 with 31.
  • Carville 2 SW: days with 50 mm (1.97 in) or more of precipitation in 84 years, most in 2021 with 15.
  • Carville 2 SW: days with a maximum temperature at or above 30 C (86 F) in 83 years, most in 1963 with 168.
  • 15 fixed thresholds have at least one qualifying day at Carville 2 SW.
83 years with a qualifying day
Days at or above 30 C (86 F) per year at Carville 2 SW Days per year at Carville 2 SW with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 168 in 1963. 0501001502001939: 1271940: 1001941: 1431942: 1131943: 1381944: 1341945: 1201946: 1101947: 1341948: 1321949: 1401950: 1321951: 1361952: 1311953: 1421954: 1441955: 1501956: 1241957: 1211958: 1271959: 1471960: 1391961: 1221962: 1611963: 1681964: 1081965: 1091966: 1211967: 1361968: 1271969: 1341970: 1281971: 1471972: 1441973: 1441974: 1241975: 1151976: 1281977: 1411978: 1371979: 1241980: 1321981: 1391982: 1311983: 1111984: 1121985: 1241986: 1381987: 1281988: 1201990: 1321991: 1341992: 1001993: 1241994: 1181995: 1361996: 1321997: 1121998: 1351999: 1332000: 1392001: 1262002: 1332003: 1382004: 1342006: 1422007: 1312008: 1302012: 1282013: 1192014: 1132015: 1182016: 1272017: 952018: 1492019: 1332020: 1242021: 1162022: 1342023: 1502024: 1312025: 1462026: 1091939194819571966197519841994200320162025
Days per year at Carville 2 SW with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 168 in 1963.
Days at or above 30 C (86 F) per year at Carville 2 SW
YearDaysDecade average
1939127127
1940100126.4
1941143126.4
1942113126.4
1943138126.4
1944134126.4
1945120126.4
1946110126.4
1947134126.4
1948132126.4
1949140126.4
1950132135.4
1951136135.4
1952131135.4
1953142135.4
1954144135.4
1955150135.4
1956124135.4
1957121135.4
1958127135.4
1959147135.4
1960139132.5
1961122132.5
1962161132.5
1963168132.5
1964108132.5
1965109132.5
1966121132.5
1967136132.5
1968127132.5
1969134132.5
1970128133.2
1971147133.2
1972144133.2
1973144133.2
1974124133.2
1975115133.2
1976128133.2
1977141133.2
1978137133.2
1979124133.2
1980132126.1
1981139126.1
1982131126.1
1983111126.1
1984112126.1
1985124126.1
1986138126.1
1987128126.1
1988120126.1
1990132125.6
1991134125.6
1992100125.6
1993124125.6
1994118125.6
1995136125.6
1996132125.6
1997112125.6
1998135125.6
1999133125.6
2000139134.1
2001126134.1
2002133134.1
2003138134.1
2004134134.1
2006142134.1
2007131134.1
2008130134.1
2012128122.8
2013119122.8
2014113122.8
2015118122.8
2016127122.8
201795122.8
2018149122.8
2019133122.8
2020124130
2021116130
2022134130
2023150130
2024131130
2025146130
2026109130
First to last qualifying date each year at Carville 2 SW For each year, a bar from the first to the last day at Carville 2 SW meeting 30 C (86 F). 1939: 21 May 1939 to 27 October 19391940: 4 April 1940 to 30 October 19401941: 12 April 1941 to 24 October 19411942: 3 May 1942 to 19 October 19421943: 4 April 1943 to 4 October 19431944: 12 May 1944 to 6 October 19441945: 26 April 1945 to 5 October 19451946: 30 March 1946 to 2 November 19461947: 25 April 1947 to 28 October 19471948: 9 April 1948 to 17 October 19481949: 4 May 1949 to 24 October 19491950: 6 May 1950 to 29 October 19501951: 2 May 1951 to 26 October 19511952: 29 April 1952 to 5 October 19521953: 30 April 1953 to 22 October 19531954: 6 April 1954 to 14 October 19541955: 16 March 1955 to 12 October 19551956: 4 April 1956 to 2 November 19561957: 11 May 1957 to 23 September 19571958: 23 April 1958 to 10 October 19581959: 18 April 1959 to 13 October 19591960: 21 April 1960 to 16 October 19601961: 27 April 1961 to 12 October 19611962: 30 April 1962 to 21 October 19621963: 17 March 1963 to 29 October 19631964: 24 April 1964 to 16 November 19641965: 9 April 1965 to 18 October 19651966: 13 April 1966 to 14 October 19661967: 15 March 1967 to 24 October 19671968: 19 April 1968 to 23 October 19681969: 15 May 1969 to 12 October 19691970: 17 April 1970 to 8 October 19701971: 23 April 1971 to 2 November 19711972: 16 April 1972 to 18 October 19721973: 25 April 1973 to 23 October 19731974: 12 March 1974 to 1 October 19741975: 25 April 1975 to 29 October 19751976: 22 April 1976 to 14 October 19761977: 19 April 1977 to 22 October 19771978: 2 May 1978 to 22 October 19781979: 14 April 1979 to 22 October 19791980: 7 May 1980 to 18 October 19801981: 10 April 1981 to 18 October 19811982: 4 May 1982 to 3 November 19821983: 23 May 1983 to 22 October 19831984: 4 May 1984 to 1 November 19841985: 29 April 1985 to 21 October 19851986: 6 May 1986 to 6 October 19861987: 18 April 1987 to 1 October 19871988: 24 April 1988 to 29 September 19881990: 30 April 1990 to 9 October 19901991: 3 May 1991 to 28 October 19911992: 12 April 1992 to 21 September 19921993: 8 May 1993 to 20 October 19931994: 27 April 1994 to 24 October 19941995: 20 April 1995 to 11 October 19951996: 20 April 1996 to 27 September 19961997: 1 May 1997 to 12 October 19971998: 8 May 1998 to 17 October 19981999: 11 April 1999 to 16 October 19992000: 18 April 2000 to 17 October 20002001: 10 April 2001 to 24 October 20012002: 18 April 2002 to 6 October 20022003: 17 April 2003 to 23 October 20032004: 8 May 2004 to 30 October 20042006: 3 April 2006 to 17 October 20062007: 28 April 2007 to 18 October 20072008: 22 April 2008 to 16 October 20082012: 29 April 2012 to 14 October 20122013: 18 May 2013 to 13 October 20132014: 19 May 2014 to 28 October 20142015: 16 March 2015 to 5 November 20152016: 10 May 2016 to 20 October 20162017: 28 April 2017 to 15 October 20172018: 30 April 2018 to 19 October 20182019: 1 May 2019 to 20 October 20192020: 25 March 2020 to 23 October 20202021: 27 April 2021 to 25 October 20212022: 25 April 2022 to 6 November 20222023: 1 April 2023 to 29 October 20232024: 19 April 2024 to 6 November 20242025: 3 April 2025 to 21 October 20252026: 16 April 2026 to 7 October 202619391950196119721983199520072021JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Carville 2 SW meeting 30 C (86 F).
First to last qualifying date each year at Carville 2 SW
YearFirst dateLast date
19391939-05-211939-10-27
19401940-04-041940-10-30
19411941-04-121941-10-24
19421942-05-031942-10-19
19431943-04-041943-10-04
19441944-05-121944-10-06
19451945-04-261945-10-05
19461946-03-301946-11-02
19471947-04-251947-10-28
19481948-04-091948-10-17
19491949-05-041949-10-24
19501950-05-061950-10-29
19511951-05-021951-10-26
19521952-04-291952-10-05
19531953-04-301953-10-22
19541954-04-061954-10-14
19551955-03-161955-10-12
19561956-04-041956-11-02
19571957-05-111957-09-23
19581958-04-231958-10-10
19591959-04-181959-10-13
19601960-04-211960-10-16
19611961-04-271961-10-12
19621962-04-301962-10-21
19631963-03-171963-10-29
19641964-04-241964-11-16
19651965-04-091965-10-18
19661966-04-131966-10-14
19671967-03-151967-10-24
19681968-04-191968-10-23
19691969-05-151969-10-12
19701970-04-171970-10-08
19711971-04-231971-11-02
19721972-04-161972-10-18
19731973-04-251973-10-23
19741974-03-121974-10-01
19751975-04-251975-10-29
19761976-04-221976-10-14
19771977-04-191977-10-22
19781978-05-021978-10-22
19791979-04-141979-10-22
19801980-05-071980-10-18
19811981-04-101981-10-18
19821982-05-041982-11-03
19831983-05-231983-10-22
19841984-05-041984-11-01
19851985-04-291985-10-21
19861986-05-061986-10-06
19871987-04-181987-10-01
19881988-04-241988-09-29
19901990-04-301990-10-09
19911991-05-031991-10-28
19921992-04-121992-09-21
19931993-05-081993-10-20
19941994-04-271994-10-24
19951995-04-201995-10-11
19961996-04-201996-09-27
19971997-05-011997-10-12
19981998-05-081998-10-17
19991999-04-111999-10-16
20002000-04-182000-10-17
20012001-04-102001-10-24
20022002-04-182002-10-06
20032003-04-172003-10-23
20042004-05-082004-10-30
20062006-04-032006-10-17
20072007-04-282007-10-18
20082008-04-222008-10-16
20122012-04-292012-10-14
20132013-05-182013-10-13
20142014-05-192014-10-28
20152015-03-162015-11-05
20162016-05-102016-10-20
20172017-04-282017-10-15
20182018-04-302018-10-19
20192019-05-012019-10-20
20202020-03-252020-10-23
20212021-04-272021-10-25
20222022-04-252022-11-06
20232023-04-012023-10-29
20242024-04-192024-11-06
20252025-04-032025-10-21
20262026-04-162026-10-07

Every Fixed Threshold

Fixed thresholds at Carville 2 SW
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days831681963109
35 C (95 F): Days8046202314
40 C (104 F): Days1120001
90 F (32.2 C): Days83115196379
100 F (37.8 C): Days10520004
0 C (32 F): Ice days (max11219491
0 C (32 F): Frost days (min8341197810
-10 C (14 F): Days with min7419622
20 C (68 F): Tropical nights (min831732024140
25 C (77 F): Days with min7263202344
10 mm (0.39 in): Days with 10 mm or more rain8461194633
25 mm (0.98 in): Days with 25 mm or more rain8431198318
50 mm (1.97 in): Days with 50 mm or more rain841520217
100 mm (3.94 in): Days with 100 mm or more rain43319732
200 mm (7.87 in): Days with 200 mm or more rain1120151

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1939.

Download the Data

  • Data for Carville 2 SW 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 (2026-10-17).