Built 2026-10-19 (19 October 2026)

Greenbrier Threshold Days by Year (USC00032962)

18 fixed thresholds counted per year at Greenbrier (USC00032962): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Greenbrier Thresholds

  • Greenbrier: days with 10 mm (0.39 in) or more of precipitation in 41 years, most in 1984 with 56.
  • Greenbrier: days with 25 mm (0.98 in) or more of precipitation in 41 years, most in 1973 with 25.
  • Greenbrier: days with 50 mm (1.97 in) or more of precipitation in 41 years, most in 1973 with 8.
  • Greenbrier: days with a maximum temperature at or above 30 C (86 F) in 33 years, most in 1963 with 133.
  • 18 fixed thresholds have at least one qualifying day at Greenbrier.
33 years with a qualifying day
Days at or above 30 C (86 F) per year at Greenbrier Days per year at Greenbrier with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 133 in 1963. 0501001501962: 1141963: 1331964: 1041965: 1121966: 941967: 871968: 791969: 1171970: 1111971: 1051972: 1181973: 1001974: 781975: 971976: 871982: 1031983: 1081984: 1051985: 1041986: 1071987: 1241988: 1041989: 731990: 951991: 971992: 571993: 811995: 891996: 931997: 971998: 1222000: 1042001: 83196219661970197419831987199119962001
Days per year at Greenbrier with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 133 in 1963.
Days at or above 30 C (86 F) per year at Greenbrier
YearDaysDecade average
1962114105
1963133105
1964104105
1965112105
196694105
196787105
196879105
1969117105
197011199.4
197110599.4
197211899.4
197310099.4
19747899.4
19759799.4
19768799.4
1982103103.5
1983108103.5
1984105103.5
1985104103.5
1986107103.5
1987124103.5
1988104103.5
198973103.5
19909591.4
19919791.4
19925791.4
19938191.4
19958991.4
19969391.4
19979791.4
199812291.4
200010493.5
20018393.5
First to last qualifying date each year at Greenbrier For each year, a bar from the first to the last day at Greenbrier meeting 30 C (86 F). 1962: 12 February 1962 to 11 October 19621963: 31 March 1963 to 27 October 19631964: 17 May 1964 to 17 October 19641965: 21 April 1965 to 9 October 19651966: 31 March 1966 to 9 October 19661967: 11 March 1967 to 6 October 19671968: 2 May 1968 to 30 October 19681969: 20 May 1969 to 20 October 19691970: 28 April 1970 to 5 October 19701971: 27 April 1971 to 29 October 19711972: 7 April 1972 to 16 October 19721973: 10 May 1973 to 9 October 19731974: 31 March 1974 to 12 September 19741975: 27 April 1975 to 15 October 19751976: 11 April 1976 to 4 October 19761982: 16 March 1982 to 5 October 19821983: 25 May 1983 to 8 October 19831984: 27 April 1984 to 25 September 19841985: 13 May 1985 to 11 October 19851986: 7 April 1986 to 3 October 19861987: 17 April 1987 to 28 September 19871988: 21 April 1988 to 23 September 19881989: 22 April 1989 to 12 October 19891990: 29 April 1990 to 28 September 19901991: 12 May 1991 to 3 October 19911992: 10 June 1992 to 20 September 19921993: 7 June 1993 to 1 October 19931995: 13 May 1995 to 30 September 19951996: 19 April 1996 to 22 September 19961997: 17 May 1997 to 11 October 19971998: 12 May 1998 to 4 October 19982000: 9 May 2000 to 6 October 20002001: 4 April 2001 to 23 September 20011962196719721982198719921998JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Greenbrier meeting 30 C (86 F).
First to last qualifying date each year at Greenbrier
YearFirst dateLast date
19621962-02-121962-10-11
19631963-03-311963-10-27
19641964-05-171964-10-17
19651965-04-211965-10-09
19661966-03-311966-10-09
19671967-03-111967-10-06
19681968-05-021968-10-30
19691969-05-201969-10-20
19701970-04-281970-10-05
19711971-04-271971-10-29
19721972-04-071972-10-16
19731973-05-101973-10-09
19741974-03-311974-09-12
19751975-04-271975-10-15
19761976-04-111976-10-04
19821982-03-161982-10-05
19831983-05-251983-10-08
19841984-04-271984-09-25
19851985-05-131985-10-11
19861986-04-071986-10-03
19871987-04-171987-09-28
19881988-04-211988-09-23
19891989-04-221989-10-12
19901990-04-291990-09-28
19911991-05-121991-10-03
19921992-06-101992-09-20
19931993-06-071993-10-01
19951995-05-131995-09-30
19961996-04-191996-09-22
19971997-05-171997-10-11
19981998-05-121998-10-04
20002000-05-092000-10-06
20012001-04-042001-09-23

Every Fixed Threshold

Fixed thresholds at Greenbrier
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days33133196383
35 C (95 F): Days3257199822
40 C (104 F): Days811200011
90 F (32.2 C): Days3399199849
100 F (37.8 C): Days2123200023
110 F (43.3 C): Days2119861
0 C (32 F): Ice days (max321320004
0 C (32 F): Frost days (min3297196391
-10 C (14 F): Days with min3226196312
-20 C (-4 F): Days with min5319622
20 C (68 F): Tropical nights (min3276199854
25 C (77 F): Days with min6319931
10 mm (0.39 in): Days with 10 mm or more rain4156198431
25 mm (0.98 in): Days with 25 mm or more rain4125197311
50 mm (1.97 in): Days with 50 mm or more rain41819735
100 mm (3.94 in): Days with 100 mm or more rain11119501
10 cm (3.9 in): Days with 10 cm or more snowfall9219751
25 cm (9.8 in): Days with 25 cm or more snowfall1119881

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 Greenbrier 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).