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Built 2026-10-19 (19 October 2026)

Henderson Threshold Days by Year (USC00414081)

18 fixed thresholds counted per year at Henderson (USC00414081): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Henderson Thresholds

  • Henderson: days with 10 mm (0.39 in) or more of precipitation in 112 years, most in 2015 with 52.
  • Henderson: days with 25 mm (0.98 in) or more of precipitation in 112 years, most in 1997 with 28.
  • Henderson: days with 50 mm (1.97 in) or more of precipitation in 110 years, most in 1991 with 9.
  • Henderson: days with a maximum temperature at or above 30 C (86 F) in 80 years, most in 1963 with 158.
  • 18 fixed thresholds have at least one qualifying day at Henderson.
80 years with a qualifying day
Days at or above 30 C (86 F) per year at Henderson Days per year at Henderson with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 158 in 1963. 0501001502001942: 841943: 1231944: 1021945: 1081946: 871947: 1191948: 1301949: 1061950: 941951: 1231952: 1291953: 1301954: 1331955: 1371956: 1451957: 1011958: 1081959: 1091960: 1171961: 901962: 1071963: 1581964: 1201965: 1211966: 1081967: 1151968: 991969: 1251970: 1221971: 1151972: 1301973: 1101974: 1021975: 1221976: 921977: 1301978: 1251979: 1061980: 1311981: 1121982: 1171983: 1011984: 1331985: 1251986: 1281987: 1201988: 1161989: 1031990: 1191991: 1161992: 1021993: 1131994: 1181996: 1281997: 1101998: 1451999: 1342000: 1432001: 1202002: 1232003: 1092004: 1182005: 1362006: 1362007: 1112008: 1042009: 1112010: 1412011: 1382012: 1252013: 1292014: 1022015: 1242016: 1212017: 1332018: 1262020: 1112022: 1292023: 1342026: 981942195019581966197419821990199920072015
Days per year at Henderson with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 158 in 1963.
Days at or above 30 C (86 F) per year at Henderson
YearDaysDecade average
194284107.4
1943123107.4
1944102107.4
1945108107.4
194687107.4
1947119107.4
1948130107.4
1949106107.4
195094120.9
1951123120.9
1952129120.9
1953130120.9
1954133120.9
1955137120.9
1956145120.9
1957101120.9
1958108120.9
1959109120.9
1960117116
196190116
1962107116
1963158116
1964120116
1965121116
1966108116
1967115116
196899116
1969125116
1970122115.4
1971115115.4
1972130115.4
1973110115.4
1974102115.4
1975122115.4
197692115.4
1977130115.4
1978125115.4
1979106115.4
1980131118.6
1981112118.6
1982117118.6
1983101118.6
1984133118.6
1985125118.6
1986128118.6
1987120118.6
1988116118.6
1989103118.6
1990119120.6
1991116120.6
1992102120.6
1993113120.6
1994118120.6
1996128120.6
1997110120.6
1998145120.6
1999134120.6
2000143121.1
2001120121.1
2002123121.1
2003109121.1
2004118121.1
2005136121.1
2006136121.1
2007111121.1
2008104121.1
2009111121.1
2010141126.6
2011138126.6
2012125126.6
2013129126.6
2014102126.6
2015124126.6
2016121126.6
2017133126.6
2018126126.6
2020111118
2022129118
2023134118
202698118
First to last qualifying date each year at Henderson For each year, a bar from the first to the last day at Henderson meeting 30 C (86 F). 1942: 13 May 1942 to 19 September 19421943: 23 January 1943 to 26 September 19431944: 14 May 1944 to 7 October 19441945: 7 May 1945 to 28 September 19451946: 30 March 1946 to 11 September 19461947: 6 April 1947 to 18 October 19471948: 6 April 1948 to 16 October 19481949: 7 April 1949 to 10 October 19491950: 25 March 1950 to 17 October 19501951: 7 March 1951 to 22 October 19511952: 3 May 1952 to 13 October 19521953: 21 May 1953 to 21 October 19531954: 11 March 1954 to 13 October 19541955: 11 March 1955 to 14 November 19551956: 28 April 1956 to 13 October 19561957: 12 May 1957 to 22 September 19571958: 23 April 1958 to 25 September 19581959: 13 May 1959 to 12 October 19591960: 6 April 1960 to 23 September 19601961: 14 May 1961 to 27 September 19611962: 20 May 1962 to 17 October 19621963: 10 April 1963 to 6 November 19631964: 19 April 1964 to 29 October 19641965: 10 April 1965 to 18 October 19651966: 1 April 1966 to 15 October 19661967: 12 March 1967 to 16 October 19671968: 14 May 1968 to 17 October 19681969: 21 May 1969 to 21 October 19691970: 23 April 1970 to 27 October 19701971: 29 March 1971 to 20 October 19711972: 8 April 1972 to 1 November 19721973: 10 May 1973 to 11 October 19731974: 20 March 1974 to 21 September 19741975: 19 April 1975 to 22 October 19751976: 16 April 1976 to 4 October 19761977: 7 May 1977 to 31 October 19771978: 5 April 1978 to 22 October 19781979: 10 May 1979 to 22 October 19791980: 8 April 1980 to 7 November 19801981: 4 April 1981 to 18 October 19811982: 14 March 1982 to 6 October 19821983: 27 May 1983 to 15 November 19831984: 21 April 1984 to 21 October 19841985: 15 April 1985 to 13 October 19851986: 20 February 1986 to 5 October 19861987: 12 April 1987 to 4 October 19871988: 24 April 1988 to 19 October 19881989: 4 April 1989 to 13 October 19891990: 30 April 1990 to 9 October 19901991: 6 March 1991 to 25 October 19911992: 14 May 1992 to 27 October 19921993: 16 May 1993 to 19 October 19931994: 27 April 1994 to 9 October 19941996: 22 February 1996 to 18 October 19961997: 15 May 1997 to 7 October 19971998: 30 March 1998 to 17 October 19981999: 9 April 1999 to 24 October 19992000: 10 March 2000 to 31 October 20002001: 9 April 2001 to 25 October 20012002: 28 April 2002 to 7 October 20022003: 8 May 2003 to 25 October 20032004: 13 May 2004 to 23 October 20042005: 11 May 2005 to 21 October 20052006: 12 March 2006 to 18 October 20062007: 4 May 2007 to 18 October 20072008: 10 May 2008 to 25 September 20082009: 23 April 2009 to 9 October 20092010: 2 May 2010 to 28 October 20102011: 9 April 2011 to 23 October 20112012: 26 March 2012 to 5 October 20122013: 16 April 2013 to 3 October 20132014: 5 May 2014 to 11 October 20142015: 26 April 2015 to 22 October 20152016: 15 March 2016 to 3 November 20162017: 2 April 2017 to 7 November 20172018: 7 May 2018 to 15 October 20182020: 26 March 2020 to 23 October 20202022: 12 April 2022 to 17 October 20222023: 4 April 2023 to 26 October 20232026: 23 March 2026 to 15 October 202619421952196219721982199220032013JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Henderson meeting 30 C (86 F).
First to last qualifying date each year at Henderson
YearFirst dateLast date
19421942-05-131942-09-19
19431943-01-231943-09-26
19441944-05-141944-10-07
19451945-05-071945-09-28
19461946-03-301946-09-11
19471947-04-061947-10-18
19481948-04-061948-10-16
19491949-04-071949-10-10
19501950-03-251950-10-17
19511951-03-071951-10-22
19521952-05-031952-10-13
19531953-05-211953-10-21
19541954-03-111954-10-13
19551955-03-111955-11-14
19561956-04-281956-10-13
19571957-05-121957-09-22
19581958-04-231958-09-25
19591959-05-131959-10-12
19601960-04-061960-09-23
19611961-05-141961-09-27
19621962-05-201962-10-17
19631963-04-101963-11-06
19641964-04-191964-10-29
19651965-04-101965-10-18
19661966-04-011966-10-15
19671967-03-121967-10-16
19681968-05-141968-10-17
19691969-05-211969-10-21
19701970-04-231970-10-27
19711971-03-291971-10-20
19721972-04-081972-11-01
19731973-05-101973-10-11
19741974-03-201974-09-21
19751975-04-191975-10-22
19761976-04-161976-10-04
19771977-05-071977-10-31
19781978-04-051978-10-22
19791979-05-101979-10-22
19801980-04-081980-11-07
19811981-04-041981-10-18
19821982-03-141982-10-06
19831983-05-271983-11-15
19841984-04-211984-10-21
19851985-04-151985-10-13
19861986-02-201986-10-05
19871987-04-121987-10-04
19881988-04-241988-10-19
19891989-04-041989-10-13
19901990-04-301990-10-09
19911991-03-061991-10-25
19921992-05-141992-10-27
19931993-05-161993-10-19
19941994-04-271994-10-09
19961996-02-221996-10-18
19971997-05-151997-10-07
19981998-03-301998-10-17
19991999-04-091999-10-24
20002000-03-102000-10-31
20012001-04-092001-10-25
20022002-04-282002-10-07
20032003-05-082003-10-25
20042004-05-132004-10-23
20052005-05-112005-10-21
20062006-03-122006-10-18
20072007-05-042007-10-18
20082008-05-102008-09-25
20092009-04-232009-10-09
20102010-05-022010-10-28
20112011-04-092011-10-23
20122012-03-262012-10-05
20132013-04-162013-10-03
20142014-05-052014-10-11
20152015-04-262015-10-22
20162016-03-152016-11-03
20172017-04-022017-11-07
20182018-05-072018-10-15
20202020-03-262020-10-23
20222022-04-122022-10-17
20232023-04-042023-10-26
20262026-03-232026-10-15

Every Fixed Threshold

Fixed thresholds at Henderson
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days80158196398
35 C (95 F): Days7997199842
40 C (104 F): Days202919983
90 F (32.2 C): Days80128199875
100 F (37.8 C): Days5360199810
110 F (43.3 C): Days2320003
0 C (32 F): Ice days (max521019832
0 C (32 F): Frost days (min7764196316
-10 C (14 F): Days with min321019632
20 C (68 F): Tropical nights (min77124195892
25 C (77 F): Days with min453520237
10 mm (0.39 in): Days with 10 mm or more rain1125220159
25 mm (0.98 in): Days with 25 mm or more rain1122819973
50 mm (1.97 in): Days with 50 mm or more rain110919911
100 mm (3.94 in): Days with 100 mm or more rain37319891
200 mm (7.87 in): Days with 200 mm or more rain4119401
10 cm (3.9 in): Days with 10 cm or more snowfall10119151
25 cm (9.8 in): Days with 25 cm or more snowfall1119291

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1942.

Download the Data

  • Data for Henderson 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).