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Built 2026-10-19 (19 October 2026)

Borrego Desert Park Threshold Days by Year (USC00040983)

15 fixed thresholds counted per year at Borrego Desert Park (USC00040983): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Borrego Desert Park Thresholds

  • Borrego Desert Park: days with 10 mm (0.39 in) or more of precipitation in 73 years, most in 1978 with 15.
  • Borrego Desert Park: days with a maximum temperature at or above 30 C (86 F) in 59 years, most in 1989 with 236.
  • Borrego Desert Park: days with a maximum temperature at or above 35 C (95 F) in 59 years, most in 1989 with 177.
  • Borrego Desert Park: days with a maximum temperature at or above 40 C (104 F) in 59 years, most in 1989 with 107.
  • 15 fixed thresholds have at least one qualifying day at Borrego Desert Park.
59 years with a qualifying day
Days at or above 30 C (86 F) per year at Borrego Desert Park Days per year at Borrego Desert Park with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 236 in 1989. 01002003001968: 1981969: 1841970: 1841971: 1801972: 2091973: 1931974: 1941975: 1771976: 1881977: 1981978: 1891979: 1891980: 1811981: 2031982: 1771983: 1671984: 1881985: 1911986: 1971987: 1971988: 2021989: 2361990: 2241991: 2061992: 2011993: 1911994: 1851995: 1911996: 1991997: 2011998: 1651999: 1932000: 1942001: 2122002: 1852003: 1912004: 2032005: 1862006: 1842007: 2142008: 2012009: 1992010: 1772011: 1892012: 2092013: 2112014: 2202015: 2112016: 2312017: 2182018: 2062019: 1982020: 1982021: 2032022: 1912023: 1842024: 1892025: 2092026: 1901968197419801986199219982004201020162022
Days per year at Borrego Desert Park with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 236 in 1989.
Days at or above 30 C (86 F) per year at Borrego Desert Park
YearDaysDecade average
1968198191
1969184191
1970184190.1
1971180190.1
1972209190.1
1973193190.1
1974194190.1
1975177190.1
1976188190.1
1977198190.1
1978189190.1
1979189190.1
1980181193.9
1981203193.9
1982177193.9
1983167193.9
1984188193.9
1985191193.9
1986197193.9
1987197193.9
1988202193.9
1989236193.9
1990224195.6
1991206195.6
1992201195.6
1993191195.6
1994185195.6
1995191195.6
1996199195.6
1997201195.6
1998165195.6
1999193195.6
2000194196.9
2001212196.9
2002185196.9
2003191196.9
2004203196.9
2005186196.9
2006184196.9
2007214196.9
2008201196.9
2009199196.9
2010177207
2011189207
2012209207
2013211207
2014220207
2015211207
2016231207
2017218207
2018206207
2019198207
2020198194.9
2021203194.9
2022191194.9
2023184194.9
2024189194.9
2025209194.9
2026190194.9
First to last qualifying date each year at Borrego Desert Park For each year, a bar from the first to the last day at Borrego Desert Park meeting 30 C (86 F). 1968: 20 February 1968 to 23 November 19681969: 19 March 1969 to 5 November 19691970: 15 March 1970 to 3 November 19701971: 19 January 1971 to 11 November 19711972: 20 February 1972 to 25 October 19721973: 8 April 1973 to 13 November 19731974: 15 March 1974 to 14 November 19741975: 1 March 1975 to 11 November 19751976: 19 March 1976 to 11 November 19761977: 14 February 1977 to 28 November 19771978: 18 March 1978 to 10 November 19781979: 13 March 1979 to 29 October 19791980: 9 April 1980 to 30 December 19801981: 17 February 1981 to 17 November 19811982: 22 February 1982 to 25 October 19821983: 1 April 1983 to 5 November 19831984: 10 March 1984 to 6 November 19841985: 17 February 1985 to 8 November 19851986: 25 February 1986 to 4 November 19861987: 11 March 1987 to 29 October 19871988: 20 March 1988 to 9 November 19881989: 24 February 1989 to 8 December 19891990: 24 February 1990 to 25 November 19901991: 4 February 1991 to 27 November 19911992: 28 February 1992 to 3 November 19921993: 10 March 1993 to 4 November 19931994: 3 March 1994 to 1 November 19941995: 15 March 1995 to 27 November 19951996: 7 February 1996 to 13 November 19961997: 9 March 1997 to 7 November 19971998: 22 March 1998 to 24 October 19981999: 1 March 1999 to 16 November 19992000: 19 January 2000 to 20 October 20002001: 18 March 2001 to 10 November 20012002: 23 February 2002 to 22 November 20022003: 31 January 2003 to 29 October 20032004: 8 March 2004 to 16 October 20042005: 8 March 2005 to 14 November 20052006: 13 April 2006 to 20 November 20062007: 8 March 2007 to 19 November 20072008: 11 March 2008 to 22 November 20082009: 3 March 2009 to 12 November 20092010: 19 March 2010 to 16 November 20102011: 18 January 2011 to 2 November 20112012: 23 February 2012 to 25 November 20122013: 2 March 2013 to 14 November 20132014: 13 February 2014 to 10 November 20142015: 9 February 2015 to 2 November 20152016: 9 February 2016 to 16 November 20162017: 9 March 2017 to 26 November 20172018: 3 February 2018 to 5 November 20182019: 18 March 2019 to 18 November 20192020: 6 March 2020 to 16 November 20202021: 19 March 2021 to 16 November 20212022: 11 February 2022 to 30 October 20222023: 9 April 2023 to 6 November 20232024: 3 April 2024 to 27 October 20242025: 24 February 2025 to 13 November 20252026: 24 February 2026 to 10 October 202619681976198419922000200820162024JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Borrego Desert Park meeting 30 C (86 F).
First to last qualifying date each year at Borrego Desert Park
YearFirst dateLast date
19681968-02-201968-11-23
19691969-03-191969-11-05
19701970-03-151970-11-03
19711971-01-191971-11-11
19721972-02-201972-10-25
19731973-04-081973-11-13
19741974-03-151974-11-14
19751975-03-011975-11-11
19761976-03-191976-11-11
19771977-02-141977-11-28
19781978-03-181978-11-10
19791979-03-131979-10-29
19801980-04-091980-12-30
19811981-02-171981-11-17
19821982-02-221982-10-25
19831983-04-011983-11-05
19841984-03-101984-11-06
19851985-02-171985-11-08
19861986-02-251986-11-04
19871987-03-111987-10-29
19881988-03-201988-11-09
19891989-02-241989-12-08
19901990-02-241990-11-25
19911991-02-041991-11-27
19921992-02-281992-11-03
19931993-03-101993-11-04
19941994-03-031994-11-01
19951995-03-151995-11-27
19961996-02-071996-11-13
19971997-03-091997-11-07
19981998-03-221998-10-24
19991999-03-011999-11-16
20002000-01-192000-10-20
20012001-03-182001-11-10
20022002-02-232002-11-22
20032003-01-312003-10-29
20042004-03-082004-10-16
20052005-03-082005-11-14
20062006-04-132006-11-20
20072007-03-082007-11-19
20082008-03-112008-11-22
20092009-03-032009-11-12
20102010-03-192010-11-16
20112011-01-182011-11-02
20122012-02-232012-11-25
20132013-03-022013-11-14
20142014-02-132014-11-10
20152015-02-092015-11-02
20162016-02-092016-11-16
20172017-03-092017-11-26
20182018-02-032018-11-05
20192019-03-182019-11-18
20202020-03-062020-11-16
20212021-03-192021-11-16
20222022-02-112022-10-30
20232023-04-092023-11-06
20242024-04-032024-10-27
20252025-02-242025-11-13
20262026-02-242026-10-10

Every Fixed Threshold

Fixed thresholds at Borrego Desert Park
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days592361989190
35 C (95 F): Days591771989152
40 C (104 F): Days59107198983
45 C (113 F): Days5932199018
50 C (122 F): Days2119901
90 F (32.2 C): Days592101989178
100 F (37.8 C): Days591451989116
110 F (43.3 C): Days5952199033
120 F (48.9 C): Days11219901
0 C (32 F): Frost days (min361119871
20 C (68 F): Tropical nights (min591412003120
25 C (77 F): Days with min5981202270
10 mm (0.39 in): Days with 10 mm or more rain731519783
25 mm (0.98 in): Days with 25 mm or more rain47519801
50 mm (1.97 in): Days with 50 mm or more rain10319831

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1968.

Download the Data

  • Data for Borrego Desert Park 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).