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Built 2026-10-19 (19 October 2026)

Ellsworth 1E Threshold Days by Year (USC00472556)

19 fixed thresholds counted per year at Ellsworth 1E (USC00472556): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Ellsworth 1E Thresholds

  • Ellsworth 1E: days with a maximum temperature at or above 30 C (86 F) in 75 years, most in 1949 with 51.
  • Ellsworth 1E: days with a maximum temperature at or below 0 C (32 F) in 75 years, most in 2014 with 105.
  • Ellsworth 1E: nights with a minimum temperature at or below 0 C (32 F) in 74 years, most in 2018 with 193.
  • Ellsworth 1E: nights with a minimum temperature at or below -10 C (14 F) in 74 years, most in 2014 with 99.
  • 19 fixed thresholds have at least one qualifying day at Ellsworth 1E.
75 years with a qualifying day
Days at or above 30 C (86 F) per year at Ellsworth 1E Days per year at Ellsworth 1E with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 51 in 1949. 02040601945: 181946: 181947: 421949: 511950: 181951: 81952: 371953: 241954: 151955: 381957: 221958: 191959: 331960: 231961: 261962: 61963: 281964: 341965: 101966: 311967: 101968: 201969: 281970: 431971: 221972: 221973: 221974: 241975: 381976: 451977: 301981: 161982: 211983: 441984: 211985: 211986: 171987: 301990: 191991: 261992: 81993: 81994: 41995: 201996: 121997: 141998: 141999: 222000: 92001: 252002: 312003: 102004: 42005: 282006: 182007: 372008: 62009: 82010: 162011: 202012: 352013: 132014: 12015: 42016: 122017: 112018: 242019: 142020: 262021: 312022: 202023: 382024: 162025: 252026: 281945195419631971198219922000200820162024
Days per year at Ellsworth 1E with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 51 in 1949.
Days at or above 30 C (86 F) per year at Ellsworth 1E
YearDaysDecade average
19451832.3
19461832.3
19474232.3
19495132.3
19501823.8
1951823.8
19523723.8
19532423.8
19541523.8
19553823.8
19572223.8
19581923.8
19593323.8
19602321.6
19612621.6
1962621.6
19632821.6
19643421.6
19651021.6
19663121.6
19671021.6
19682021.6
19692821.6
19704330.8
19712230.8
19722230.8
19732230.8
19742430.8
19753830.8
19764530.8
19773030.8
19811624.3
19822124.3
19834424.3
19842124.3
19852124.3
19861724.3
19873024.3
19901914.7
19912614.7
1992814.7
1993814.7
1994414.7
19952014.7
19961214.7
19971414.7
19981414.7
19992214.7
2000917.6
20012517.6
20023117.6
20031017.6
2004417.6
20052817.6
20061817.6
20073717.6
2008617.6
2009817.6
20101615
20112015
20123515
20131315
2014115
2015415
20161215
20171115
20182415
20191415
20202626.3
20213126.3
20222026.3
20233826.3
20241626.3
20252526.3
20262826.3
First to last qualifying date each year at Ellsworth 1E For each year, a bar from the first to the last day at Ellsworth 1E meeting 30 C (86 F). 1945: 23 June 1945 to 8 September 19451946: 7 June 1946 to 17 August 19461947: 26 June 1947 to 21 October 19471949: 3 May 1949 to 27 August 19491950: 5 June 1950 to 24 August 19501951: 15 July 1951 to 29 July 19511952: 28 April 1952 to 13 September 19521953: 29 May 1953 to 2 September 19531954: 11 June 1954 to 15 August 19541955: 2 May 1955 to 18 September 19551957: 17 June 1957 to 1 September 19571958: 28 June 1958 to 20 August 19581959: 1 May 1959 to 9 September 19591960: 20 July 1960 to 8 September 19601961: 18 June 1961 to 9 September 19611962: 28 June 1962 to 21 August 19621963: 3 June 1963 to 21 August 19631964: 21 May 1964 to 6 August 19641965: 4 July 1965 to 15 August 19651966: 25 May 1966 to 1 September 19661967: 26 May 1967 to 17 August 19671968: 4 June 1968 to 25 August 19681969: 27 May 1969 to 30 August 19691970: 29 April 1970 to 4 September 19701971: 5 June 1971 to 7 September 19711972: 17 May 1972 to 29 August 19721973: 9 June 1973 to 30 August 19731974: 29 June 1974 to 21 August 19741975: 19 May 1975 to 25 August 19751976: 6 June 1976 to 12 September 19761977: 13 May 1977 to 27 August 19771981: 8 June 1981 to 11 September 19811982: 28 June 1982 to 20 August 19821983: 21 June 1983 to 10 September 19831984: 6 June 1984 to 20 September 19841985: 19 April 1985 to 20 September 19851986: 31 May 1986 to 27 September 19861987: 9 May 1987 to 16 August 19871990: 7 May 1990 to 13 September 19901991: 6 April 1991 to 31 August 19911992: 1 May 1992 to 10 August 19921993: 10 August 1993 to 26 August 19931994: 14 June 1994 to 25 August 19941995: 17 June 1995 to 31 August 19951996: 12 June 1996 to 26 August 19961997: 23 June 1997 to 5 October 19971998: 14 May 1998 to 20 September 19981999: 5 June 1999 to 4 September 19992000: 5 May 2000 to 1 September 20002001: 15 May 2001 to 9 August 20012002: 15 April 2002 to 10 September 20022003: 15 April 2003 to 8 September 20032004: 7 June 2004 to 22 July 20042005: 8 June 2005 to 22 September 20052006: 28 May 2006 to 1 August 20062007: 30 April 2007 to 6 September 20072008: 15 July 2008 to 19 August 20082009: 20 May 2009 to 15 August 20092010: 24 May 2010 to 30 August 20102011: 5 June 2011 to 3 September 20112012: 18 May 2012 to 12 September 20122013: 15 May 2013 to 10 September 20132014: 7 July 2014 to 7 July 20142015: 10 June 2015 to 16 August 20152016: 7 May 2016 to 4 August 20162017: 3 June 2017 to 26 September 20172018: 25 May 2018 to 17 September 20182019: 1 June 2019 to 7 August 20192020: 2 June 2020 to 28 August 20202021: 2 May 2021 to 20 September 20212022: 13 May 2022 to 22 September 20222023: 13 April 2023 to 4 October 20232024: 13 May 2024 to 29 September 20242025: 3 June 2025 to 5 October 20252026: 16 May 2026 to 12 October 202619451957196719771992200220122022JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Ellsworth 1E meeting 30 C (86 F).
First to last qualifying date each year at Ellsworth 1E
YearFirst dateLast date
19451945-06-231945-09-08
19461946-06-071946-08-17
19471947-06-261947-10-21
19491949-05-031949-08-27
19501950-06-051950-08-24
19511951-07-151951-07-29
19521952-04-281952-09-13
19531953-05-291953-09-02
19541954-06-111954-08-15
19551955-05-021955-09-18
19571957-06-171957-09-01
19581958-06-281958-08-20
19591959-05-011959-09-09
19601960-07-201960-09-08
19611961-06-181961-09-09
19621962-06-281962-08-21
19631963-06-031963-08-21
19641964-05-211964-08-06
19651965-07-041965-08-15
19661966-05-251966-09-01
19671967-05-261967-08-17
19681968-06-041968-08-25
19691969-05-271969-08-30
19701970-04-291970-09-04
19711971-06-051971-09-07
19721972-05-171972-08-29
19731973-06-091973-08-30
19741974-06-291974-08-21
19751975-05-191975-08-25
19761976-06-061976-09-12
19771977-05-131977-08-27
19811981-06-081981-09-11
19821982-06-281982-08-20
19831983-06-211983-09-10
19841984-06-061984-09-20
19851985-04-191985-09-20
19861986-05-311986-09-27
19871987-05-091987-08-16
19901990-05-071990-09-13
19911991-04-061991-08-31
19921992-05-011992-08-10
19931993-08-101993-08-26
19941994-06-141994-08-25
19951995-06-171995-08-31
19961996-06-121996-08-26
19971997-06-231997-10-05
19981998-05-141998-09-20
19991999-06-051999-09-04
20002000-05-052000-09-01
20012001-05-152001-08-09
20022002-04-152002-09-10
20032003-04-152003-09-08
20042004-06-072004-07-22
20052005-06-082005-09-22
20062006-05-282006-08-01
20072007-04-302007-09-06
20082008-07-152008-08-19
20092009-05-202009-08-15
20102010-05-242010-08-30
20112011-06-052011-09-03
20122012-05-182012-09-12
20132013-05-152013-09-10
20142014-07-072014-07-07
20152015-06-102015-08-16
20162016-05-072016-08-04
20172017-06-032017-09-26
20182018-05-252018-09-17
20192019-06-012019-08-07
20202020-06-022020-08-28
20212021-05-022021-09-20
20222022-05-132022-09-22
20232023-04-132023-10-04
20242024-05-132024-09-29
20252025-06-032025-10-05
20262026-05-162026-10-12

Every Fixed Threshold

Fixed thresholds at Ellsworth 1E
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days7551194928
35 C (95 F): Days31719471
40 C (104 F): Days1119951
90 F (32.2 C): Days7028194912
100 F (37.8 C): Days1119951
0 C (32 F): Ice days (max75105201442
0 C (32 F): Frost days (min74193201899
-10 C (14 F): Days with min7499201444
-20 C (-4 F): Days with min7443201414
-30 C (-22 F): Days with min441219822
-40 C (-40 F): Days with min1119831
20 C (68 F): Tropical nights (min732019599
25 C (77 F): Days with min12219981
10 mm (0.39 in): Days with 10 mm or more rain7339198615
25 mm (0.98 in): Days with 25 mm or more rain731519701
50 mm (1.97 in): Days with 50 mm or more rain49520022
100 mm (3.94 in): Days with 100 mm or more rain7119551
10 cm (3.9 in): Days with 10 cm or more snowfall551120191
25 cm (9.8 in): Days with 25 cm or more snowfall15319851

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1945.

Download the Data

  • Data for Ellsworth 1E 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).