Twin Bridges Threshold Days by Year (USC00248430)

13 fixed thresholds counted per year at Twin Bridges (USC00248430): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Twin Bridges Thresholds

Twin Bridges: days with 10 mm (0.39 in) or more of precipitation in 73 years, most in 1983 with 11.
Twin Bridges: days with a maximum temperature at or above 30 C (86 F) in 69 years, most in 2021 with 69.
Twin Bridges: days with a maximum temperature at or below 0 C (32 F) in 69 years, most in 1985 with 64.
Twin Bridges: nights with a minimum temperature at or below 0 C (32 F) in 69 years, most in 1957 with 229.
13 fixed thresholds have at least one qualifying day at Twin Bridges.

Days at or above 30 C (86 F)

69 years with a qualifying day

Days per year at Twin Bridges with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 69 in 2021.

Days at or above 30 C (86 F) per year at Twin Bridges
Year	Days	Decade average
1956	33	29.5
1957	33	29.5
1958	20	29.5
1959	32	29.5
1960	34	35.2
1962	21	35.2
1963	40	35.2
1964	35	35.2
1965	18	35.2
1966	51	35.2
1967	44	35.2
1968	31	35.2
1969	43	35.2
1970	47	33.2
1971	38	33.2
1972	27	33.2
1973	36	33.2
1974	41	33.2
1975	22	33.2
1976	29	33.2
1977	33	33.2
1978	23	33.2
1979	36	33.2
1980	15	31.4
1981	39	31.4
1982	19	31.4
1983	21	31.4
1984	38	31.4
1985	35	31.4
1986	35	31.4
1987	25	31.4
1988	60	31.4
1989	27	31.4
1990	36	30.4
1991	44	30.4
1992	26	30.4
1993	7	30.4
1994	38	30.4
1995	24	30.4
1996	39	30.4
1997	18	30.4
1998	44	30.4
1999	28	30.4
2000	46	39.1
2001	52	39.1
2002	29	39.1
2003	56	39.1
2004	21	39.1
2005	35	39.1
2006	46	39.1
2008	37	39.1
2009	30	39.1
2010	19	42.2
2011	30	42.2
2012	59	42.2
2013	57	42.2
2014	35	42.2
2015	40	42.2
2016	45	42.2
2017	61	42.2
2018	42	42.2
2019	34	42.2
2020	45	48.9
2021	69	48.9
2022	59	48.9
2023	35	48.9
2024	51	48.9
2025	42	48.9
2026	41	48.9

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

First to last qualifying date each year at Twin Bridges
Year	First date	Last date
1956	1956-06-01	1956-09-20
1957	1957-06-03	1957-09-26
1958	1958-05-18	1958-09-08
1959	1959-06-12	1959-09-13
1960	1960-05-11	1960-08-30
1962	1962-06-23	1962-08-25
1963	1963-06-18	1963-09-30
1964	1964-05-19	1964-08-18
1965	1965-06-11	1965-08-11
1966	1966-05-04	1966-09-23
1967	1967-06-29	1967-09-29
1968	1968-06-02	1968-09-10
1969	1969-06-04	1969-09-02
1970	1970-06-03	1970-08-29
1971	1971-05-27	1971-08-29
1972	1972-05-30	1972-08-29
1973	1973-06-12	1973-08-20
1974	1974-06-12	1974-08-27
1975	1975-07-02	1975-09-07
1976	1976-06-28	1976-09-05
1977	1977-06-01	1977-09-07
1978	1978-06-28	1978-09-04
1979	1979-06-11	1979-09-16
1980	1980-07-09	1980-09-06
1981	1981-06-26	1981-09-19
1982	1982-07-19	1982-09-09
1983	1983-05-26	1983-09-01
1984	1984-05-29	1984-09-19
1985	1985-05-23	1985-08-29
1986	1986-05-27	1986-08-28
1987	1987-06-13	1987-09-24
1988	1988-05-16	1988-09-06
1989	1989-06-16	1989-08-17
1990	1990-06-22	1990-09-12
1991	1991-06-11	1991-09-06
1992	1992-05-06	1992-10-01
1993	1993-06-20	1993-09-10
1994	1994-06-20	1994-09-09
1995	1995-06-26	1995-09-03
1996	1996-06-07	1996-10-10
1997	1997-07-14	1997-08-27
1998	1998-07-08	1998-09-16
1999	1999-07-06	1999-08-27
2000	2000-06-06	2000-09-16
2001	2001-05-12	2001-09-25
2002	2002-05-19	2002-09-03
2003	2003-05-24	2003-09-04
2004	2004-06-05	2004-09-11
2005	2005-06-20	2005-09-08
2006	2006-05-16	2006-09-12
2008	2008-05-18	2008-09-17
2009	2009-05-18	2009-09-24
2010	2010-06-28	2010-10-03
2011	2011-06-28	2011-09-30
2012	2012-06-04	2012-09-14
2013	2013-05-12	2013-09-06
2014	2014-07-02	2014-09-25
2015	2015-06-08	2015-09-26
2016	2016-06-05	2016-09-01
2017	2017-06-04	2017-09-13
2018	2018-06-04	2018-09-08
2019	2019-07-01	2019-09-15
2020	2020-05-30	2020-09-14
2021	2021-04-30	2021-09-27
2022	2022-06-16	2022-09-28
2023	2023-06-30	2023-09-17
2024	2024-06-06	2024-09-29
2025	2025-05-31	2025-09-03
2026	2026-05-28	2026-08-27

Every Fixed Threshold

Fixed thresholds at Twin Bridges
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	69	69	2021	41
35 C (95 F): Days	40	11	2024	3
90 F (32.2 C): Days	68	46	2022	16
100 F (37.8 C): Days	3	2	2002	1
0 C (32 F): Ice days (max	69	64	1985	6
0 C (32 F): Frost days (min	69	229	1957	124
-10 C (14 F): Days with min	69	106	1985	24
-20 C (-4 F): Days with min	69	27	1979	1
-30 C (-22 F): Days with min	37	6	1957	1
10 mm (0.39 in): Days with 10 mm or more rain	73	11	1983	8
25 mm (0.98 in): Days with 25 mm or more rain	23	3	1976	1
50 mm (1.97 in): Days with 50 mm or more rain	1	0	n/a	1
10 cm (3.9 in): Days with 10 cm or more snowfall	8	4	1967	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1956.

Download the Data

Data for Twin Bridges 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 2026-10-17. Last revised 17 October 2026 (2026-10-17).

Twin Bridges Threshold Days by Year (USC00248430)

Key Facts for Twin Bridges Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

Related