Built 2026-10-19 (19 October 2026)

Coweeta Exp STN Threshold Days by Year (USC00312102)

16 fixed thresholds counted per year at Coweeta Exp STN (USC00312102): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Coweeta Exp STN Thresholds

  • Coweeta Exp STN: days with a maximum temperature at or above 30 C (86 F) in 83 years, most in 2019 with 90.
  • Coweeta Exp STN: days with 10 mm (0.39 in) or more of precipitation in 82 years, most in 1989 with 73.
  • Coweeta Exp STN: days with 25 mm (0.98 in) or more of precipitation in 82 years, most in 1979 with 35.
  • Coweeta Exp STN: days with 50 mm (1.97 in) or more of precipitation in 82 years, most in 2019 with 13.
  • 16 fixed thresholds have at least one qualifying day at Coweeta Exp STN.
83 years with a qualifying day
Days at or above 30 C (86 F) per year at Coweeta Exp STN Days per year at Coweeta Exp STN with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 90 in 2019. 02550751001944: 381945: 411946: 271947: 391948: 311949: 251950: 201951: 471952: 491953: 441954: 611955: 281956: 301957: 431958: 291959: 321960: 221961: 111962: 361963: 161964: 241965: 161966: 221967: 81968: 271969: 191970: 261971: 121972: 101973: 161974: 81975: 161976: 121977: 361978: 291979: 151980: 501981: 361982: 151983: 421984: 171985: 161986: 501987: 391988: 501989: 241990: 341991: 311992: 111993: 471994: 61995: 341996: 281997: 291998: 641999: 622000: 512001: 272002: 632003: 312004: 262005: 352006: 522007: 592008: 472009: 242010: 652011: 762012: 532013: 152014: 332015: 592016: 842017: 492018: 622019: 902020: 472021: 472022: 602023: 502024: 662025: 532026: 601944195319621971198019891998200720162025
Days per year at Coweeta Exp STN with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 90 in 2019.
Days at or above 30 C (86 F) per year at Coweeta Exp STN
YearDaysDecade average
19443833.5
19454133.5
19462733.5
19473933.5
19483133.5
19492533.5
19502038.3
19514738.3
19524938.3
19534438.3
19546138.3
19552838.3
19563038.3
19574338.3
19582938.3
19593238.3
19602220.1
19611120.1
19623620.1
19631620.1
19642420.1
19651620.1
19662220.1
1967820.1
19682720.1
19691920.1
19702618
19711218
19721018
19731618
1974818
19751618
19761218
19773618
19782918
19791518
19805033.9
19813633.9
19821533.9
19834233.9
19841733.9
19851633.9
19865033.9
19873933.9
19885033.9
19892433.9
19903434.6
19913134.6
19921134.6
19934734.6
1994634.6
19953434.6
19962834.6
19972934.6
19986434.6
19996234.6
20005141.5
20012741.5
20026341.5
20033141.5
20042641.5
20053541.5
20065241.5
20075941.5
20084741.5
20092441.5
20106558.6
20117658.6
20125358.6
20131558.6
20143358.6
20155958.6
20168458.6
20174958.6
20186258.6
20199058.6
20204754.7
20214754.7
20226054.7
20235054.7
20246654.7
20255354.7
20266054.7
First to last qualifying date each year at Coweeta Exp STN For each year, a bar from the first to the last day at Coweeta Exp STN meeting 30 C (86 F). 1944: 16 May 1944 to 5 September 19441945: 29 May 1945 to 20 September 19451946: 3 April 1946 to 23 August 19461947: 6 June 1947 to 15 September 19471948: 21 May 1948 to 20 September 19481949: 5 May 1949 to 7 September 19491950: 4 May 1950 to 4 September 19501951: 1 June 1951 to 6 October 19511952: 6 May 1952 to 18 August 19521953: 22 May 1953 to 28 September 19531954: 8 June 1954 to 5 October 19541955: 18 April 1955 to 22 September 19551956: 12 May 1956 to 16 September 19561957: 12 June 1957 to 7 September 19571958: 7 June 1958 to 27 September 19581959: 9 May 1959 to 4 September 19591960: 18 May 1960 to 7 September 19601961: 25 April 1961 to 25 September 19611962: 1 May 1962 to 15 September 19621963: 22 April 1963 to 24 August 19631964: 9 May 1964 to 6 August 19641965: 24 April 1965 to 20 September 19651966: 11 June 1966 to 22 August 19661967: 15 March 1967 to 9 August 19671968: 11 June 1968 to 25 August 19681969: 8 June 1969 to 10 August 19691970: 30 April 1970 to 19 September 19701971: 5 June 1971 to 19 July 19711972: 7 June 1972 to 20 August 19721973: 11 June 1973 to 10 September 19731974: 18 May 1974 to 29 July 19741975: 22 May 1975 to 6 September 19751976: 13 June 1976 to 13 August 19761977: 6 June 1977 to 1 September 19771978: 27 June 1978 to 22 September 19781979: 16 July 1979 to 22 August 19791980: 13 May 1980 to 24 September 19801981: 31 May 1981 to 26 August 19811982: 15 May 1982 to 25 August 19821983: 25 June 1983 to 11 September 19831984: 4 June 1984 to 26 September 19841985: 2 June 1985 to 20 August 19851986: 27 April 1986 to 3 October 19861987: 4 June 1987 to 29 August 19871988: 23 April 1988 to 30 August 19881989: 26 April 1989 to 3 September 19891990: 8 June 1990 to 9 September 19901991: 31 May 1991 to 18 September 19911992: 26 June 1992 to 12 August 19921993: 5 June 1993 to 2 September 19931994: 3 June 1994 to 1 September 19941995: 11 April 1995 to 1 September 19951996: 5 May 1996 to 24 August 19961997: 24 June 1997 to 21 September 19971998: 15 May 1998 to 28 September 19981999: 11 April 1999 to 9 September 19992000: 12 May 2000 to 5 September 20002001: 10 April 2001 to 6 September 20012002: 20 April 2002 to 3 October 20022003: 9 May 2003 to 30 August 20032004: 8 May 2004 to 1 September 20042005: 13 May 2005 to 21 September 20052006: 15 April 2006 to 31 August 20062007: 1 May 2007 to 25 September 20072008: 5 June 2008 to 9 September 20082009: 25 April 2009 to 16 August 20092010: 6 April 2010 to 22 September 20102011: 11 May 2011 to 4 September 20112012: 3 May 2012 to 8 September 20122013: 16 May 2013 to 30 August 20132014: 6 May 2014 to 7 September 20142015: 9 April 2015 to 5 September 20152016: 31 May 2016 to 26 September 20162017: 11 May 2017 to 12 October 20172018: 5 May 2018 to 7 October 20182019: 19 May 2019 to 5 October 20192020: 29 March 2020 to 12 September 20202021: 23 May 2021 to 14 September 20212022: 6 May 2022 to 22 September 20222023: 10 May 2023 to 8 September 20232024: 16 April 2024 to 24 September 20242025: 20 April 2025 to 21 August 20252026: 23 March 2026 to 31 August 202619441955196619771988199920102021JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Coweeta Exp STN meeting 30 C (86 F).
First to last qualifying date each year at Coweeta Exp STN
YearFirst dateLast date
19441944-05-161944-09-05
19451945-05-291945-09-20
19461946-04-031946-08-23
19471947-06-061947-09-15
19481948-05-211948-09-20
19491949-05-051949-09-07
19501950-05-041950-09-04
19511951-06-011951-10-06
19521952-05-061952-08-18
19531953-05-221953-09-28
19541954-06-081954-10-05
19551955-04-181955-09-22
19561956-05-121956-09-16
19571957-06-121957-09-07
19581958-06-071958-09-27
19591959-05-091959-09-04
19601960-05-181960-09-07
19611961-04-251961-09-25
19621962-05-011962-09-15
19631963-04-221963-08-24
19641964-05-091964-08-06
19651965-04-241965-09-20
19661966-06-111966-08-22
19671967-03-151967-08-09
19681968-06-111968-08-25
19691969-06-081969-08-10
19701970-04-301970-09-19
19711971-06-051971-07-19
19721972-06-071972-08-20
19731973-06-111973-09-10
19741974-05-181974-07-29
19751975-05-221975-09-06
19761976-06-131976-08-13
19771977-06-061977-09-01
19781978-06-271978-09-22
19791979-07-161979-08-22
19801980-05-131980-09-24
19811981-05-311981-08-26
19821982-05-151982-08-25
19831983-06-251983-09-11
19841984-06-041984-09-26
19851985-06-021985-08-20
19861986-04-271986-10-03
19871987-06-041987-08-29
19881988-04-231988-08-30
19891989-04-261989-09-03
19901990-06-081990-09-09
19911991-05-311991-09-18
19921992-06-261992-08-12
19931993-06-051993-09-02
19941994-06-031994-09-01
19951995-04-111995-09-01
19961996-05-051996-08-24
19971997-06-241997-09-21
19981998-05-151998-09-28
19991999-04-111999-09-09
20002000-05-122000-09-05
20012001-04-102001-09-06
20022002-04-202002-10-03
20032003-05-092003-08-30
20042004-05-082004-09-01
20052005-05-132005-09-21
20062006-04-152006-08-31
20072007-05-012007-09-25
20082008-06-052008-09-09
20092009-04-252009-08-16
20102010-04-062010-09-22
20112011-05-112011-09-04
20122012-05-032012-09-08
20132013-05-162013-08-30
20142014-05-062014-09-07
20152015-04-092015-09-05
20162016-05-312016-09-26
20172017-05-112017-10-12
20182018-05-052018-10-07
20192019-05-192019-10-05
20202020-03-292020-09-12
20212021-05-232021-09-14
20222022-05-062022-09-22
20232023-05-102023-09-08
20242024-04-162024-09-24
20252025-04-202025-08-21
20262026-03-232026-08-31

Every Fixed Threshold

Fixed thresholds at Coweeta Exp STN
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days8390201960
35 C (95 F): Days9419831
90 F (32.2 C): Days7432202418
0 C (32 F): Ice days (max701219772
0 C (32 F): Frost days (min72140197660
-10 C (14 F): Days with min7039197712
-20 C (-4 F): Days with min9219621
20 C (68 F): Tropical nights (min25720165
10 mm (0.39 in): Days with 10 mm or more rain8273198935
25 mm (0.98 in): Days with 25 mm or more rain823519799
50 mm (1.97 in): Days with 50 mm or more rain821320193
100 mm (3.94 in): Days with 100 mm or more rain37319491
200 mm (7.87 in): Days with 200 mm or more rain1119641
10 cm (3.9 in): Days with 10 cm or more snowfall13219791
25 cm (9.8 in): Days with 25 cm or more snowfall4119821
50 cm (19.7 in): Days with 50 cm or more snowfall1119931

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1944.

Download the Data

  • Data for Coweeta Exp STN 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 (2026-10-12).