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Built 2026-10-19 (19 October 2026)

Debessy Threshold Days by Year (RSM00028312)

13 fixed thresholds counted per year at Debessy (RSM00028312): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Debessy Thresholds

  • Debessy: days with 10 mm (0.39 in) or more of precipitation in 57 years, most in 2002 with 19.
  • Debessy: days with a maximum temperature at or below 0 C (32 F) in 56 years, most in 1969 with 150.
  • Debessy: nights with a minimum temperature at or below 0 C (32 F) in 56 years, most in 1979 with 208.
  • Debessy: nights with a minimum temperature at or below -10 C (14 F) in 56 years, most in 1987 with 131.
  • 13 fixed thresholds have at least one qualifying day at Debessy.
44 years with a qualifying day
Days at or above 30 C (86 F) per year at Debessy Days per year at Debessy with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 27 in 2010. 01020301959: 31960: 31961: 61962: 21963: 81964: 51966: 11970: 21973: 61974: 41975: 61977: 21978: 11980: 11981: 231982: 141985: 21987: 91988: 181989: 71990: 31991: 71995: 51996: 31997: 31998: 121999: 62000: 62001: 52002: 62003: 52004: 82005: 42006: 132007: 82008: 52010: 272011: 112012: 92013: 102014: 12015: 72016: 272018: 6195919641975198219901998200320082014
Days per year at Debessy with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 27 in 2010.
Days at or above 30 C (86 F) per year at Debessy
YearDaysDecade average
195933
196034.2
196164.2
196224.2
196384.2
196454.2
196614.2
197023.5
197363.5
197443.5
197563.5
197723.5
197813.5
1980110.6
19812310.6
19821410.6
1985210.6
1987910.6
19881810.6
1989710.6
199035.6
199175.6
199555.6
199635.6
199735.6
1998125.6
199965.6
200066.7
200156.7
200266.7
200356.7
200486.7
200546.7
2006136.7
200786.7
200856.7
20102712.3
20111112.3
2012912.3
20131012.3
2014112.3
2015712.3
20162712.3
2018612.3
First to last qualifying date each year at Debessy For each year, a bar from the first to the last day at Debessy meeting 30 C (86 F). 1959: 6 July 1959 to 8 July 19591960: 17 June 1960 to 24 June 19601961: 30 June 1961 to 31 July 19611962: 16 July 1962 to 17 July 19621963: 19 June 1963 to 20 July 19631964: 12 July 1964 to 16 July 19641966: 31 May 1966 to 31 May 19661970: 15 June 1970 to 17 July 19701973: 12 June 1973 to 6 July 19731974: 4 July 1974 to 24 July 19741975: 7 June 1975 to 6 August 19751977: 8 June 1977 to 9 June 19771978: 23 June 1978 to 23 June 19781980: 12 June 1980 to 12 June 19801981: 15 June 1981 to 30 August 19811982: 17 June 1982 to 3 September 19821985: 22 June 1985 to 25 June 19851987: 20 June 1987 to 30 June 19871988: 4 June 1988 to 24 July 19881989: 1 July 1989 to 17 July 19891990: 18 June 1990 to 9 July 19901991: 26 June 1991 to 2 July 19911995: 17 June 1995 to 1 September 19951996: 13 July 1996 to 15 July 19961997: 30 July 1997 to 1 August 19971998: 12 June 1998 to 3 August 19981999: 23 June 1999 to 25 July 19992000: 17 July 2000 to 25 July 20002001: 14 July 2001 to 2 August 20012002: 5 July 2002 to 27 July 20022003: 4 August 2003 to 8 August 20032004: 14 July 2004 to 24 August 20042005: 26 July 2005 to 29 July 20052006: 6 June 2006 to 18 July 20062007: 29 May 2007 to 19 August 20072008: 24 June 2008 to 18 August 20082010: 27 June 2010 to 12 August 20102011: 2 July 2011 to 14 August 20112012: 3 July 2012 to 9 August 20122013: 18 June 2013 to 21 July 20132014: 13 May 2014 to 13 May 20142015: 30 May 2015 to 29 June 20152016: 20 June 2016 to 25 August 20162018: 25 June 2018 to 27 July 201819591966197819881997200320102016JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Debessy meeting 30 C (86 F).
First to last qualifying date each year at Debessy
YearFirst dateLast date
19591959-07-061959-07-08
19601960-06-171960-06-24
19611961-06-301961-07-31
19621962-07-161962-07-17
19631963-06-191963-07-20
19641964-07-121964-07-16
19661966-05-311966-05-31
19701970-06-151970-07-17
19731973-06-121973-07-06
19741974-07-041974-07-24
19751975-06-071975-08-06
19771977-06-081977-06-09
19781978-06-231978-06-23
19801980-06-121980-06-12
19811981-06-151981-08-30
19821982-06-171982-09-03
19851985-06-221985-06-25
19871987-06-201987-06-30
19881988-06-041988-07-24
19891989-07-011989-07-17
19901990-06-181990-07-09
19911991-06-261991-07-02
19951995-06-171995-09-01
19961996-07-131996-07-15
19971997-07-301997-08-01
19981998-06-121998-08-03
19991999-06-231999-07-25
20002000-07-172000-07-25
20012001-07-142001-08-02
20022002-07-052002-07-27
20032003-08-042003-08-08
20042004-07-142004-08-24
20052005-07-262005-07-29
20062006-06-062006-07-18
20072007-05-292007-08-19
20082008-06-242008-08-18
20102010-06-272010-08-12
20112011-07-022011-08-14
20122012-07-032012-08-09
20132013-06-182013-07-21
20142014-05-132014-05-13
20152015-05-302015-06-29
20162016-06-202016-08-25
20182018-06-252018-07-27

Every Fixed Threshold

Fixed thresholds at Debessy
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days442720106
35 C (95 F): Days1820108
90 F (32.2 C): Days211820101
0 C (32 F): Ice days (max561501969140
0 C (32 F): Frost days (min562081979192
-10 C (14 F): Days with min561311987104
-20 C (-4 F): Days with min5674196933
-30 C (-22 F): Days with min562719692
-40 C (-40 F): Days with min19419691
20 C (68 F): Tropical nights (min7220101
10 mm (0.39 in): Days with 10 mm or more rain5719200214
25 mm (0.98 in): Days with 25 mm or more rain39620112
50 mm (1.97 in): Days with 50 mm or more rain3119591

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1959.

Download the Data

  • Data for Debessy 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).