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Built 2026-10-19 (19 October 2026)

Boys Rch Threshold Days by Year (USC00411000)

18 fixed thresholds counted per year at Boys Rch (USC00411000): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Boys Rch Thresholds

  • Boys Rch: days with 10 mm (0.39 in) or more of precipitation in 46 years, most in 1997 with 24.
  • Boys Rch: days with a maximum temperature at or above 30 C (86 F) in 45 years, most in 2011 with 135.
  • Boys Rch: days with a maximum temperature at or above 35 C (95 F) in 45 years, most in 2011 with 85.
  • Boys Rch: days with a maximum temperature at or above 90 F (32.2 C) in 45 years, most in 2011 with 116.
  • 18 fixed thresholds have at least one qualifying day at Boys Rch.
45 years with a qualifying day
Days at or above 30 C (86 F) per year at Boys Rch Days per year at Boys Rch with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 135 in 2011. 0501001501982: 1081983: 1121984: 1071985: 1051986: 1021987: 851988: 951989: 911990: 1181991: 971992: 881993: 1051994: 1141995: 1001996: 991997: 941998: 1301999: 972000: 1272001: 1192002: 1142003: 992004: 952005: 1102006: 1072007: 1002008: 1072009: 1102010: 1322011: 1352012: 1322013: 1182014: 1092015: 1152016: 1222017: 1112018: 1322019: 1182020: 1322021: 1102022: 1292023: 1132024: 1322025: 1072026: 136198219871992199720022007201220172022
Days per year at Boys Rch with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 135 in 2011.
Days at or above 30 C (86 F) per year at Boys Rch
YearDaysDecade average
1982108100.6
1983112100.6
1984107100.6
1985105100.6
1986102100.6
198785100.6
198895100.6
198991100.6
1990118104.2
199197104.2
199288104.2
1993105104.2
1994114104.2
1995100104.2
199699104.2
199794104.2
1998130104.2
199997104.2
2000127108.8
2001119108.8
2002114108.8
200399108.8
200495108.8
2005110108.8
2006107108.8
2007100108.8
2008107108.8
2009110108.8
2010132122.4
2011135122.4
2012132122.4
2013118122.4
2014109122.4
2015115122.4
2016122122.4
2017111122.4
2018132122.4
2019118122.4
2020132122.7
2021110122.7
2022129122.7
2023113122.7
2024132122.7
2025107122.7
2026136122.7
First to last qualifying date each year at Boys Rch For each year, a bar from the first to the last day at Boys Rch meeting 30 C (86 F). 1982: 5 April 1982 to 8 October 19821983: 26 April 1983 to 8 October 19831984: 10 May 1984 to 3 October 19841985: 17 April 1985 to 8 October 19851986: 1 March 1986 to 23 September 19861987: 16 April 1987 to 14 October 19871988: 8 April 1988 to 24 October 19881989: 10 March 1989 to 16 October 19891990: 16 April 1990 to 16 October 19901991: 7 April 1991 to 17 October 19911992: 10 April 1992 to 13 October 19921993: 18 April 1993 to 6 October 19931994: 17 April 1994 to 30 September 19941995: 11 March 1995 to 22 October 19951996: 10 April 1996 to 20 November 19961997: 1 May 1997 to 5 October 19971998: 25 March 1998 to 14 October 19981999: 20 April 1999 to 26 October 19992000: 5 April 2000 to 3 October 20002001: 5 April 2001 to 31 October 20012002: 13 March 2002 to 11 October 20022003: 1 April 2003 to 29 October 20032004: 19 March 2004 to 20 September 20042005: 12 March 2005 to 3 November 20052006: 5 April 2006 to 8 November 20062007: 18 March 2007 to 20 October 20072008: 15 April 2008 to 10 October 20082009: 4 March 2009 to 6 November 20092010: 30 March 2010 to 16 October 20102011: 17 March 2011 to 24 October 20112012: 16 March 2012 to 24 October 20122013: 8 April 2013 to 10 October 20132014: 9 April 2014 to 26 October 20142015: 28 March 2015 to 14 October 20152016: 18 February 2016 to 31 October 20162017: 10 February 2017 to 27 November 20172018: 23 March 2018 to 29 October 20182019: 28 March 2019 to 14 October 20192020: 26 March 2020 to 22 October 20202021: 5 April 2021 to 7 November 20212022: 28 March 2022 to 30 September 20222023: 3 April 2023 to 7 November 20232024: 13 April 2024 to 29 October 20242025: 3 February 2025 to 14 November 20252026: 9 March 2026 to 13 October 202619821988199420002006201220182024JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Boys Rch meeting 30 C (86 F).
First to last qualifying date each year at Boys Rch
YearFirst dateLast date
19821982-04-051982-10-08
19831983-04-261983-10-08
19841984-05-101984-10-03
19851985-04-171985-10-08
19861986-03-011986-09-23
19871987-04-161987-10-14
19881988-04-081988-10-24
19891989-03-101989-10-16
19901990-04-161990-10-16
19911991-04-071991-10-17
19921992-04-101992-10-13
19931993-04-181993-10-06
19941994-04-171994-09-30
19951995-03-111995-10-22
19961996-04-101996-11-20
19971997-05-011997-10-05
19981998-03-251998-10-14
19991999-04-201999-10-26
20002000-04-052000-10-03
20012001-04-052001-10-31
20022002-03-132002-10-11
20032003-04-012003-10-29
20042004-03-192004-09-20
20052005-03-122005-11-03
20062006-04-052006-11-08
20072007-03-182007-10-20
20082008-04-152008-10-10
20092009-03-042009-11-06
20102010-03-302010-10-16
20112011-03-172011-10-24
20122012-03-162012-10-24
20132013-04-082013-10-10
20142014-04-092014-10-26
20152015-03-282015-10-14
20162016-02-182016-10-31
20172017-02-102017-11-27
20182018-03-232018-10-29
20192019-03-282019-10-14
20202020-03-262020-10-22
20212021-04-052021-11-07
20222022-03-282022-09-30
20232023-04-032023-11-07
20242024-04-132024-10-29
20252025-02-032025-11-14
20262026-03-092026-10-13

Every Fixed Threshold

Fixed thresholds at Boys Rch
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days451352011136
35 C (95 F): Days4585201183
40 C (104 F): Days261220243
90 F (32.2 C): Days451162011113
100 F (37.8 C): Days4347201140
110 F (43.3 C): Days1119821
0 C (32 F): Ice days (max451819833
0 C (32 F): Frost days (min42140198858
-10 C (14 F): Days with min4241202210
-20 C (-4 F): Days with min12319871
20 C (68 F): Tropical nights (min4264201164
25 C (77 F): Days with min15620114
10 mm (0.39 in): Days with 10 mm or more rain462419979
25 mm (0.98 in): Days with 25 mm or more rain441019992
50 mm (1.97 in): Days with 50 mm or more rain24319991
100 mm (3.94 in): Days with 100 mm or more rain3119881
10 cm (3.9 in): Days with 10 cm or more snowfall25419831
25 cm (9.8 in): Days with 25 cm or more snowfall2220002

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1982.

Download the Data

  • Data for Boys Rch 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).