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Built 2026-10-19 (19 October 2026)

Bullhead City Threshold Days by Year (USC00021050)

15 fixed thresholds counted per year at Bullhead City (USC00021050): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Bullhead City Thresholds

  • Bullhead City: days with 10 mm (0.39 in) or more of precipitation in 38 years, most in 2010 with 12.
  • Bullhead City: nights with a minimum temperature at or above 20 C (68 F) in 36 years, most in 2023 with 159.
  • Bullhead City: nights with a minimum temperature at or above 25 C (77 F) in 36 years, most in 2024 with 108.
  • Bullhead City: days with a maximum temperature at or above 30 C (86 F) in 34 years, most in 1989 with 232.
  • 15 fixed thresholds have at least one qualifying day at Bullhead City.
34 years with a qualifying day
Days at or above 30 C (86 F) per year at Bullhead City Days per year at Bullhead City with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 232 in 1989. 01002003001978: 1801979: 1891980: 1801981: 1961984: 1901985: 1961986: 2081987: 1991988: 2121989: 2321990: 2091991: 1941992: 1961993: 1991994: 2041995: 2011996: 2091997: 2151998: 1831999: 2112000: 2002001: 2092002: 2012006: 1912007: 2162008: 2072009: 1992010: 1812016: 2192017: 2142023: 1872024: 1902025: 2062026: 189197819841988199219962000200720162025
Days per year at Bullhead City with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 232 in 1989.
Days at or above 30 C (86 F) per year at Bullhead City
YearDaysDecade average
1978180184.5
1979189184.5
1980180201.6
1981196201.6
1984190201.6
1985196201.6
1986208201.6
1987199201.6
1988212201.6
1989232201.6
1990209202.1
1991194202.1
1992196202.1
1993199202.1
1994204202.1
1995201202.1
1996209202.1
1997215202.1
1998183202.1
1999211202.1
2000200203.3
2001209203.3
2002201203.3
2006191203.3
2007216203.3
2008207203.3
2009199203.3
2010181204.7
2016219204.7
2017214204.7
2023187193
2024190193
2025206193
2026189193
First to last qualifying date each year at Bullhead City For each year, a bar from the first to the last day at Bullhead City meeting 30 C (86 F). 1978: 27 March 1978 to 9 November 19781979: 9 March 1979 to 29 October 19791980: 10 April 1980 to 17 December 19801981: 18 February 1981 to 6 November 19811984: 9 March 1984 to 3 November 19841985: 24 March 1985 to 30 October 19851986: 24 February 1986 to 1 November 19861987: 1 April 1987 to 29 October 19871988: 20 March 1988 to 9 November 19881989: 24 February 1989 to 12 November 19891990: 18 March 1990 to 13 November 19901991: 3 April 1991 to 9 November 19911992: 4 April 1992 to 24 October 19921993: 22 March 1993 to 26 October 19931994: 3 March 1994 to 2 November 19941995: 17 March 1995 to 17 November 19951996: 16 February 1996 to 20 October 19961997: 10 March 1997 to 8 November 19971998: 21 March 1998 to 23 October 19981999: 28 February 1999 to 17 November 19992000: 14 March 2000 to 22 October 20002001: 20 March 2001 to 7 November 20012002: 13 March 2002 to 22 October 20022006: 25 March 2006 to 9 November 20062007: 9 March 2007 to 9 November 20072008: 29 February 2008 to 18 November 20082009: 17 March 2009 to 7 November 20092010: 30 March 2010 to 6 November 20102016: 17 February 2016 to 12 November 20162017: 10 February 2017 to 30 October 20172023: 10 April 2023 to 7 November 20232024: 11 April 2024 to 29 October 20242025: 26 February 2025 to 14 November 20252026: 27 February 2026 to 11 October 20261978198519901995200020082023JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Bullhead City meeting 30 C (86 F).
First to last qualifying date each year at Bullhead City
YearFirst dateLast date
19781978-03-271978-11-09
19791979-03-091979-10-29
19801980-04-101980-12-17
19811981-02-181981-11-06
19841984-03-091984-11-03
19851985-03-241985-10-30
19861986-02-241986-11-01
19871987-04-011987-10-29
19881988-03-201988-11-09
19891989-02-241989-11-12
19901990-03-181990-11-13
19911991-04-031991-11-09
19921992-04-041992-10-24
19931993-03-221993-10-26
19941994-03-031994-11-02
19951995-03-171995-11-17
19961996-02-161996-10-20
19971997-03-101997-11-08
19981998-03-211998-10-23
19991999-02-281999-11-17
20002000-03-142000-10-22
20012001-03-202001-11-07
20022002-03-132002-10-22
20062006-03-252006-11-09
20072007-03-092007-11-09
20082008-02-292008-11-18
20092009-03-172009-11-07
20102010-03-302010-11-06
20162016-02-172016-11-12
20172017-02-102017-10-30
20232023-04-102023-11-07
20242024-04-112024-10-29
20252025-02-262025-11-14
20262026-02-272026-10-11

Every Fixed Threshold

Fixed thresholds at Bullhead City
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days342321989189
35 C (95 F): Days341761989151
40 C (104 F): Days34132200194
45 C (113 F): Days3455200233
50 C (122 F): Days12719941
90 F (32.2 C): Days342031989172
100 F (37.8 C): Days341541996123
110 F (43.3 C): Days3485199653
120 F (48.9 C): Days231219941
0 C (32 F): Frost days (min24919882
20 C (68 F): Tropical nights (min361592023154
25 C (77 F): Days with min361082024110
10 mm (0.39 in): Days with 10 mm or more rain381220102
25 mm (0.98 in): Days with 25 mm or more rain21520102
50 mm (1.97 in): Days with 50 mm or more rain3119841

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1978.

Download the Data

  • Data for Bullhead City 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).