Centreville 6 SW Threshold Days by Year (USW00003881)

16 fixed thresholds counted per year at Centreville 6 SW (USW00003881): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Centreville 6 SW Thresholds

Centreville 6 SW: days with a maximum temperature at or above 30 C (86 F) in 37 years, most in 2002 with 133.
Centreville 6 SW: days with a maximum temperature at or above 90 F (32.2 C) in 37 years, most in 1998 with 101.
Centreville 6 SW: nights with a minimum temperature at or below 0 C (32 F) in 37 years, most in 2002 with 87.
Centreville 6 SW: nights with a minimum temperature at or above 20 C (68 F) in 37 years, most in 1986 with 107.
16 fixed thresholds have at least one qualifying day at Centreville 6 SW.

Days at or above 30 C (86 F)

37 years with a qualifying day

Days per year at Centreville 6 SW with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 133 in 2002.

Days at or above 30 C (86 F) per year at Centreville 6 SW
Year	Days	Decade average
1975	95	95.8
1976	72	95.8
1977	120	95.8
1978	121	95.8
1979	71	95.8
1980	117	102.3
1981	105	102.3
1982	106	102.3
1983	91	102.3
1984	103	102.3
1985	89	102.3
1986	118	102.3
1987	110	102.3
1988	96	102.3
1989	88	102.3
1990	115	103.4
1991	96	103.4
1992	78	103.4
1993	102	103.4
1995	121	103.4
1996	84	103.4
1997	97	103.4
1998	129	103.4
1999	109	103.4
2000	131	110.1
2001	101	110.1
2002	133	110.1
2003	107	110.1
2004	98	110.1
2005	104	110.1
2006	130	110.1
2008	106	110.1
2009	81	110.1
2010	129	108.5
2011	114	108.5
2012	98	108.5
2013	93	108.5

For each year, a bar from the first to the last day at Centreville 6 SW meeting 30 C (86 F).

First to last qualifying date each year at Centreville 6 SW
Year	First date	Last date
1975	1975-04-28	1975-10-15
1976	1976-04-20	1976-09-28
1977	1977-04-14	1977-10-02
1978	1978-04-01	1978-10-14
1979	1979-05-11	1979-09-08
1980	1980-04-23	1980-09-25
1981	1981-04-15	1981-10-07
1982	1982-05-14	1982-10-06
1983	1983-05-11	1983-09-18
1984	1984-05-06	1984-10-29
1985	1985-04-29	1985-10-14
1986	1986-04-07	1986-10-05
1987	1987-04-20	1987-09-18
1988	1988-04-05	1988-09-24
1989	1989-04-26	1989-09-14
1990	1990-04-30	1990-10-16
1991	1991-05-14	1991-09-18
1992	1992-05-15	1992-09-21
1993	1993-05-06	1993-09-26
1995	1995-03-23	1995-10-02
1996	1996-05-05	1996-09-27
1997	1997-03-31	1997-10-14
1998	1998-05-14	1998-10-06
1999	1999-04-04	1999-10-04
2000	2000-05-05	2000-11-03
2001	2001-02-17	2001-09-24
2002	2002-04-18	2002-10-07
2003	2003-04-15	2003-11-03
2004	2004-03-21	2004-10-07
2005	2005-05-12	2005-10-20
2006	2006-04-03	2006-10-06
2008	2008-05-08	2008-10-06
2009	2009-03-10	2009-10-10
2010	2010-04-06	2010-10-27
2011	2011-03-21	2011-10-18
2012	2012-03-20	2012-09-28
2013	2013-04-11	2013-10-06

Every Fixed Threshold

Fixed thresholds at Centreville 6 SW
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	37	133	2002	93
35 C (95 F): Days	33	50	2006	21
40 C (104 F): Days	1	1	1980	1
90 F (32.2 C): Days	37	101	1998	31
100 F (37.8 C): Days	14	13	2000	4
0 C (32 F): Ice days (max	21	5	1985	3
0 C (32 F): Frost days (min	37	87	2002	77
-10 C (14 F): Days with min	26	11	1977	2
-20 C (-4 F): Days with min	1	1	1985	1
20 C (68 F): Tropical nights (min	37	107	1986	48
25 C (77 F): Days with min	4	4	1980	1
10 mm (0.39 in): Days with 10 mm or more rain	37	59	1989	52
25 mm (0.98 in): Days with 25 mm or more rain	37	32	1975	25
50 mm (1.97 in): Days with 50 mm or more rain	37	11	1980	4
100 mm (3.94 in): Days with 100 mm or more rain	15	2	1979	1
10 cm (3.9 in): Days with 10 cm or more snowfall	1	2	1993	2

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1975.

Download the Data

Data for Centreville 6 SW 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 2025-12-31. Last revised 31 December 2025 (2025-12-31).

Centreville 6 SW Threshold Days by Year (USW00003881)

Key Facts for Centreville 6 SW Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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