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Built 2026-10-19 (19 October 2026)

Brantley Dam Threshold Days by Year (USC00291153)

18 fixed thresholds counted per year at Brantley Dam (USC00291153): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Brantley Dam Thresholds

  • Brantley Dam: days with a maximum temperature at or above 30 C (86 F) in 33 years, most in 2011 with 175.
  • Brantley Dam: days with a maximum temperature at or above 35 C (95 F) in 33 years, most in 2011 with 109.
  • Brantley Dam: days with a maximum temperature at or above 90 F (32.2 C) in 33 years, most in 2020 with 144.
  • Brantley Dam: days with a maximum temperature at or above 100 F (37.8 C) in 33 years, most in 2011 with 67.
  • 18 fixed thresholds have at least one qualifying day at Brantley Dam.
33 years with a qualifying day
Days at or above 30 C (86 F) per year at Brantley Dam Days per year at Brantley Dam with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 175 in 2011. 0501001502001988: 1331989: 1561990: 1211991: 1381992: 1421993: 1451994: 1421995: 1541996: 1471997: 1361998: 1691999: 1392000: 1612001: 1592002: 1622003: 1532004: 1232005: 1192007: 1352009: 1452010: 1312011: 1752016: 1362017: 1622018: 1522019: 1582020: 1612021: 1382022: 1472023: 1602024: 1642025: 1542026: 151198819921996200020042010201820222026
Days per year at Brantley Dam with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 175 in 2011.
Days at or above 30 C (86 F) per year at Brantley Dam
YearDaysDecade average
1988133144.5
1989156144.5
1990121143.3
1991138143.3
1992142143.3
1993145143.3
1994142143.3
1995154143.3
1996147143.3
1997136143.3
1998169143.3
1999139143.3
2000161144.6
2001159144.6
2002162144.6
2003153144.6
2004123144.6
2005119144.6
2007135144.6
2009145144.6
2010131152.3
2011175152.3
2016136152.3
2017162152.3
2018152152.3
2019158152.3
2020161153.6
2021138153.6
2022147153.6
2023160153.6
2024164153.6
2025154153.6
2026151153.6
First to last qualifying date each year at Brantley Dam For each year, a bar from the first to the last day at Brantley Dam meeting 30 C (86 F). 1988: 24 March 1988 to 8 November 19881989: 11 March 1989 to 24 October 19891990: 21 March 1990 to 20 October 19901991: 7 April 1991 to 22 October 19911992: 9 April 1992 to 19 October 19921993: 18 March 1993 to 16 October 19931994: 17 March 1994 to 6 October 19941995: 19 March 1995 to 22 October 19951996: 9 April 1996 to 20 November 19961997: 21 March 1997 to 31 October 19971998: 23 March 1998 to 16 October 19981999: 22 March 1999 to 15 October 19992000: 26 March 2000 to 5 October 20002001: 21 March 2001 to 31 October 20012002: 13 March 2002 to 12 October 20022003: 2 April 2003 to 3 November 20032004: 20 March 2004 to 23 September 20042005: 9 April 2005 to 12 November 20052007: 16 March 2007 to 22 October 20072009: 4 March 2009 to 20 October 20092010: 31 March 2010 to 31 October 20102011: 17 March 2011 to 26 October 20112016: 19 February 2016 to 1 November 20162017: 11 February 2017 to 27 October 20172018: 23 March 2018 to 6 October 20182019: 28 March 2019 to 11 October 20192020: 26 March 2020 to 20 November 20202021: 31 March 2021 to 31 October 20212022: 27 March 2022 to 16 October 20222023: 3 April 2023 to 9 November 20232024: 6 April 2024 to 30 October 20242025: 18 March 2025 to 7 November 20252026: 26 February 2026 to 23 September 20261988199319982003201020192024JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Brantley Dam meeting 30 C (86 F).
First to last qualifying date each year at Brantley Dam
YearFirst dateLast date
19881988-03-241988-11-08
19891989-03-111989-10-24
19901990-03-211990-10-20
19911991-04-071991-10-22
19921992-04-091992-10-19
19931993-03-181993-10-16
19941994-03-171994-10-06
19951995-03-191995-10-22
19961996-04-091996-11-20
19971997-03-211997-10-31
19981998-03-231998-10-16
19991999-03-221999-10-15
20002000-03-262000-10-05
20012001-03-212001-10-31
20022002-03-132002-10-12
20032003-04-022003-11-03
20042004-03-202004-09-23
20052005-04-092005-11-12
20072007-03-162007-10-22
20092009-03-042009-10-20
20102010-03-312010-10-31
20112011-03-172011-10-26
20162016-02-192016-11-01
20172017-02-112017-10-27
20182018-03-232018-10-06
20192019-03-282019-10-11
20202020-03-262020-11-20
20212021-03-312021-10-31
20222022-03-272022-10-16
20232023-04-032023-11-09
20242024-04-062024-10-30
20252025-03-182025-11-07
20262026-02-262026-09-23

Every Fixed Threshold

Fixed thresholds at Brantley Dam
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days331752011151
35 C (95 F): Days33109201199
40 C (104 F): Days3231202315
45 C (113 F): Days1119941
90 F (32.2 C): Days331442020125
100 F (37.8 C): Days3367201149
110 F (43.3 C): Days12519943
0 C (32 F): Ice days (max25720072
0 C (32 F): Frost days (min32103202235
-10 C (14 F): Days with min242019895
-20 C (-4 F): Days with min1220112
20 C (68 F): Tropical nights (min3277199184
25 C (77 F): Days with min11520234
10 mm (0.39 in): Days with 10 mm or more rain3325199112
25 mm (0.98 in): Days with 25 mm or more rain28520045
50 mm (1.97 in): Days with 50 mm or more rain11219881
100 mm (3.94 in): Days with 100 mm or more rain1120041
10 cm (3.9 in): Days with 10 cm or more snowfall6319972

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1988.

Download the Data

  • Data for Brantley Dam 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 (2026-10-17).