Built 2026-10-19 (19 October 2026)

Hails Threshold Days by Year (CHM00053231)

14 fixed thresholds counted per year at Hails (CHM00053231): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Hails Thresholds

  • Hails: days with a maximum temperature at or above 30 C (86 F) in 50 years, most in 2023 with 48.
  • Hails: days with a maximum temperature at or below 0 C (32 F) in 50 years, most in 1970 with 129.
  • Hails: days with a maximum temperature at or above 90 F (32.2 C) in 49 years, most in 2023 with 28.
  • Hails: nights with a minimum temperature at or below 0 C (32 F) in 46 years, most in 1974 with 200.
  • 14 fixed thresholds have at least one qualifying day at Hails.
50 years with a qualifying day
Days at or above 30 C (86 F) per year at Hails Days per year at Hails with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 48 in 2023. 02040601970: 101971: 191972: 271973: 151974: 121975: 251976: 71977: 151978: 211979: 71980: 261981: 221982: 261983: 141984: 161985: 151986: 161987: 141988: 211989: 131990: 141991: 311992: 191993: 71994: 171995: 151996: 121997: 371998: 261999: 392000: 302001: 422002: 392003: 82004: 192005: 362006: 272007: 292008: 232009: 312010: 352011: 382012: 232014: 182020: 372021: 372022: 442023: 482024: 462025: 511970197519801985199019952000200520102021
Days per year at Hails with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 48 in 2023.
Days at or above 30 C (86 F) per year at Hails
YearDaysDecade average
19701015.8
19711915.8
19722715.8
19731515.8
19741215.8
19752515.8
1976715.8
19771515.8
19782115.8
1979715.8
19802618.3
19812218.3
19822618.3
19831418.3
19841618.3
19851518.3
19861618.3
19871418.3
19882118.3
19891318.3
19901421.7
19913121.7
19921921.7
1993721.7
19941721.7
19951521.7
19961221.7
19973721.7
19982621.7
19993921.7
20003028.4
20014228.4
20023928.4
2003828.4
20041928.4
20053628.4
20062728.4
20072928.4
20082328.4
20093128.4
20103528.5
20113828.5
20122328.5
20141828.5
20203743.8
20213743.8
20224443.8
20234843.8
20244643.8
20255143.8
First to last qualifying date each year at Hails For each year, a bar from the first to the last day at Hails meeting 30 C (86 F). 1970: 26 June 1970 to 23 August 19701971: 29 June 1971 to 28 August 19711972: 4 June 1972 to 15 August 19721973: 6 June 1973 to 9 August 19731974: 25 May 1974 to 18 August 19741975: 20 June 1975 to 20 August 19751976: 25 May 1976 to 2 September 19761977: 12 June 1977 to 28 August 19771978: 25 May 1978 to 22 August 19781979: 12 June 1979 to 9 August 19791980: 27 May 1980 to 5 August 19801981: 6 June 1981 to 4 August 19811982: 23 May 1982 to 13 August 19821983: 29 May 1983 to 10 August 19831984: 12 June 1984 to 11 August 19841985: 23 May 1985 to 14 August 19851986: 15 May 1986 to 16 August 19861987: 3 June 1987 to 1 September 19871988: 13 June 1988 to 10 August 19881989: 2 June 1989 to 13 August 19891990: 16 June 1990 to 24 August 19901991: 22 June 1991 to 25 August 19911992: 15 June 1992 to 1 August 19921993: 8 June 1993 to 3 August 19931994: 31 May 1994 to 17 August 19941995: 11 June 1995 to 9 August 19951996: 12 June 1996 to 16 August 19961997: 13 June 1997 to 7 September 19971998: 10 June 1998 to 10 September 19981999: 4 June 1999 to 7 September 19992000: 20 May 2000 to 1 September 20002001: 20 May 2001 to 21 August 20012002: 30 May 2002 to 31 August 20022003: 17 June 2003 to 19 August 20032004: 27 April 2004 to 8 August 20042005: 28 May 2005 to 8 September 20052006: 11 June 2006 to 26 August 20062007: 19 May 2007 to 22 August 20072008: 25 May 2008 to 18 August 20082009: 14 June 2009 to 13 August 20092010: 11 June 2010 to 17 August 20102011: 13 June 2011 to 30 August 20112012: 20 May 2012 to 30 August 20122014: 29 May 2014 to 1 August 20142020: 1 May 2020 to 27 August 20202021: 12 June 2021 to 12 September 20212022: 15 June 2022 to 21 August 20222023: 14 June 2023 to 5 September 20232024: 17 May 2024 to 30 August 20242025: 19 May 2025 to 19 August 202519701977198419911998200520122025JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Hails meeting 30 C (86 F).
First to last qualifying date each year at Hails
YearFirst dateLast date
19701970-06-261970-08-23
19711971-06-291971-08-28
19721972-06-041972-08-15
19731973-06-061973-08-09
19741974-05-251974-08-18
19751975-06-201975-08-20
19761976-05-251976-09-02
19771977-06-121977-08-28
19781978-05-251978-08-22
19791979-06-121979-08-09
19801980-05-271980-08-05
19811981-06-061981-08-04
19821982-05-231982-08-13
19831983-05-291983-08-10
19841984-06-121984-08-11
19851985-05-231985-08-14
19861986-05-151986-08-16
19871987-06-031987-09-01
19881988-06-131988-08-10
19891989-06-021989-08-13
19901990-06-161990-08-24
19911991-06-221991-08-25
19921992-06-151992-08-01
19931993-06-081993-08-03
19941994-05-311994-08-17
19951995-06-111995-08-09
19961996-06-121996-08-16
19971997-06-131997-09-07
19981998-06-101998-09-10
19991999-06-041999-09-07
20002000-05-202000-09-01
20012001-05-202001-08-21
20022002-05-302002-08-31
20032003-06-172003-08-19
20042004-04-272004-08-08
20052005-05-282005-09-08
20062006-06-112006-08-26
20072007-05-192007-08-22
20082008-05-252008-08-18
20092009-06-142009-08-13
20102010-06-112010-08-17
20112011-06-132011-08-30
20122012-05-202012-08-30
20142014-05-292014-08-01
20202020-05-012020-08-27
20212021-06-122021-09-12
20222022-06-152022-08-21
20232023-06-142023-09-05
20242024-05-172024-08-30
20252025-05-192025-08-19

Every Fixed Threshold

Fixed thresholds at Hails
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days5048202351
35 C (95 F): Days24620102
90 F (32.2 C): Days4928202319
100 F (37.8 C): Days2220102
0 C (32 F): Ice days (max50129197045
0 C (32 F): Frost days (min462001974102
-10 C (14 F): Days with min46132197066
-20 C (-4 F): Days with min4687197021
-30 C (-22 F): Days with min172319703
20 C (68 F): Tropical nights (min451819997
25 C (77 F): Days with min3119991
10 mm (0.39 in): Days with 10 mm or more rain45919701
25 mm (0.98 in): Days with 25 mm or more rain16219701
50 mm (1.97 in): Days with 50 mm or more rain1119771

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1970.

Download the Data

  • Data for Hails 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).