Built 2026-10-19 (19 October 2026)

Harrington Threshold Days by Year (USC00453515)

16 fixed thresholds counted per year at Harrington (USC00453515): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Harrington Thresholds

  • Harrington: days with a maximum temperature at or above 30 C (86 F) in 55 years, most in 1967 with 59.
  • Harrington: days with a maximum temperature at or above 90 F (32.2 C) in 55 years, most in 2015 with 39.
  • Harrington: days with a maximum temperature at or below 0 C (32 F) in 55 years, most in 1985 with 88.
  • Harrington: nights with a minimum temperature at or below 0 C (32 F) in 55 years, most in 2008 with 192.
  • 16 fixed thresholds have at least one qualifying day at Harrington.
55 years with a qualifying day
Days at or above 30 C (86 F) per year at Harrington Days per year at Harrington with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 59 in 1967. 02040601962: 321963: 381964: 221965: 361966: 341967: 591968: 321969: 391970: 511971: 401972: 321973: 471974: 391975: 241976: 231977: 471978: 291979: 391980: 201981: 351982: 371983: 271984: 391985: 401986: 501987: 451988: 421989: 181990: 451991: 271992: 421993: 91994: 421995: 231996: 331997: 251998: 481999: 332000: 262001: 362002: 352003: 542004: 382005: 312006: 462007: 322008: 362009: 442010: 232011: 292013: 582014: 512015: 552016: 302019: 251962196819741980198619921998200420102019
Days per year at Harrington with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 59 in 1967.
Days at or above 30 C (86 F) per year at Harrington
YearDaysDecade average
19623236.5
19633836.5
19642236.5
19653636.5
19663436.5
19675936.5
19683236.5
19693936.5
19705137.1
19714037.1
19723237.1
19734737.1
19743937.1
19752437.1
19762337.1
19774737.1
19782937.1
19793937.1
19802035.3
19813535.3
19823735.3
19832735.3
19843935.3
19854035.3
19865035.3
19874535.3
19884235.3
19891835.3
19904532.7
19912732.7
19924232.7
1993932.7
19944232.7
19952332.7
19963332.7
19972532.7
19984832.7
19993332.7
20002637.8
20013637.8
20023537.8
20035437.8
20043837.8
20053137.8
20064637.8
20073237.8
20083637.8
20094437.8
20102338.7
20112938.7
20135838.7
20145138.7
20155538.7
20163038.7
20192538.7
First to last qualifying date each year at Harrington For each year, a bar from the first to the last day at Harrington meeting 30 C (86 F). 1962: 24 June 1962 to 6 September 19621963: 14 June 1963 to 28 September 19631964: 26 June 1964 to 23 August 19641965: 9 June 1965 to 19 August 19651966: 5 May 1966 to 23 September 19661967: 15 June 1967 to 28 September 19671968: 18 June 1968 to 9 September 19681969: 3 June 1969 to 12 September 19691970: 2 June 1970 to 31 August 19701971: 22 June 1971 to 30 August 19711972: 29 May 1972 to 4 September 19721973: 14 May 1973 to 11 September 19731974: 11 June 1974 to 31 August 19741975: 3 July 1975 to 15 September 19751976: 28 June 1976 to 2 September 19761977: 23 April 1977 to 22 August 19771978: 4 June 1978 to 10 August 19781979: 2 June 1979 to 20 September 19791980: 8 July 1980 to 6 October 19801981: 3 July 1981 to 19 September 19811982: 15 June 1982 to 3 September 19821983: 28 May 1983 to 1 September 19831984: 29 May 1984 to 18 September 19841985: 23 May 1985 to 29 August 19851986: 26 May 1986 to 4 September 19861987: 27 April 1987 to 24 September 19871988: 12 May 1988 to 6 September 19881989: 6 July 1989 to 12 August 19891990: 24 June 1990 to 24 September 19901991: 3 July 1991 to 6 September 19911992: 5 May 1992 to 30 September 19921993: 11 May 1993 to 10 September 19931994: 21 June 1994 to 25 September 19941995: 1 July 1995 to 16 September 19951996: 2 July 1996 to 11 September 19961997: 5 July 1997 to 25 September 19971998: 30 June 1998 to 16 September 19981999: 24 May 1999 to 22 September 19992000: 28 June 2000 to 14 September 20002001: 23 May 2001 to 24 September 20012002: 14 June 2002 to 14 September 20022003: 24 May 2003 to 7 September 20032004: 21 June 2004 to 31 August 20042005: 21 June 2005 to 28 August 20052006: 15 May 2006 to 8 September 20062007: 2 June 2007 to 30 August 20072008: 17 May 2008 to 1 October 20082009: 29 May 2009 to 24 September 20092010: 8 July 2010 to 26 August 20102011: 6 July 2011 to 25 September 20112013: 9 May 2013 to 16 September 20132014: 23 June 2014 to 21 September 20142015: 6 June 2015 to 13 September 20152016: 21 July 2016 to 30 August 20162019: 2 June 2019 to 5 September 201919621969197619831990199720042011JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Harrington meeting 30 C (86 F).
First to last qualifying date each year at Harrington
YearFirst dateLast date
19621962-06-241962-09-06
19631963-06-141963-09-28
19641964-06-261964-08-23
19651965-06-091965-08-19
19661966-05-051966-09-23
19671967-06-151967-09-28
19681968-06-181968-09-09
19691969-06-031969-09-12
19701970-06-021970-08-31
19711971-06-221971-08-30
19721972-05-291972-09-04
19731973-05-141973-09-11
19741974-06-111974-08-31
19751975-07-031975-09-15
19761976-06-281976-09-02
19771977-04-231977-08-22
19781978-06-041978-08-10
19791979-06-021979-09-20
19801980-07-081980-10-06
19811981-07-031981-09-19
19821982-06-151982-09-03
19831983-05-281983-09-01
19841984-05-291984-09-18
19851985-05-231985-08-29
19861986-05-261986-09-04
19871987-04-271987-09-24
19881988-05-121988-09-06
19891989-07-061989-08-12
19901990-06-241990-09-24
19911991-07-031991-09-06
19921992-05-051992-09-30
19931993-05-111993-09-10
19941994-06-211994-09-25
19951995-07-011995-09-16
19961996-07-021996-09-11
19971997-07-051997-09-25
19981998-06-301998-09-16
19991999-05-241999-09-22
20002000-06-282000-09-14
20012001-05-232001-09-24
20022002-06-142002-09-14
20032003-05-242003-09-07
20042004-06-212004-08-31
20052005-06-212005-08-28
20062006-05-152006-09-08
20072007-06-022007-08-30
20082008-05-172008-10-01
20092009-05-292009-09-24
20102010-07-082010-08-26
20112011-07-062011-09-25
20132013-05-092013-09-16
20142014-06-232014-09-21
20152015-06-062015-09-13
20162016-07-212016-08-30
20192019-06-022019-09-05

Every Fixed Threshold

Fixed thresholds at Harrington
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days5559196725
35 C (95 F): Days492220153
40 C (104 F): Days1220152
90 F (32.2 C): Days5539201511
100 F (37.8 C): Days19620156
0 C (32 F): Ice days (max5588198553
0 C (32 F): Frost days (min551922008154
-10 C (14 F): Days with min5562198528
-20 C (-4 F): Days with min381319791
-30 C (-22 F): Days with min6219961
20 C (68 F): Tropical nights (min5119921
25 C (77 F): Days with min1120151
10 mm (0.39 in): Days with 10 mm or more rain551319962
25 mm (0.98 in): Days with 25 mm or more rain12320153
50 mm (1.97 in): Days with 50 mm or more rain2120141
10 cm (3.9 in): Days with 10 cm or more snowfall28519652

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1962.

Download the Data

  • Data for Harrington 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).