Bailey Threshold Days by Year (USC00050454)

15 fixed thresholds counted per year at Bailey (USC00050454): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Bailey Thresholds

Bailey: days with 10 mm (0.39 in) or more of precipitation in 78 years, most in 1997 with 22.
Bailey: days with a maximum temperature at or below 0 C (32 F) in 76 years, most in 1997 with 47.
Bailey: nights with a minimum temperature at or below 0 C (32 F) in 75 years, most in 1980 with 258.
Bailey: nights with a minimum temperature at or below -10 C (14 F) in 75 years, most in 2010 with 113.
15 fixed thresholds have at least one qualifying day at Bailey.

Days at or above 30 C (86 F)

73 years with a qualifying day

Days per year at Bailey with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 34 in 1960.

Days at or above 30 C (86 F) per year at Bailey
Year	Days	Decade average
1939	17	17
1940	7	7.7
1941	3	7.7
1943	3	7.7
1946	6	7.7
1947	10	7.7
1948	19	7.7
1949	6	7.7
1950	5	17.2
1951	17	17.2
1952	29	17.2
1953	21	17.2
1954	26	17.2
1955	17	17.2
1956	16	17.2
1957	10	17.2
1958	18	17.2
1959	13	17.2
1960	34	13.4
1961	5	13.4
1962	14	13.4
1963	20	13.4
1964	15	13.4
1965	4	13.4
1966	18	13.4
1967	3	13.4
1968	10	13.4
1969	11	13.4
1970	8	11.2
1971	13	11.2
1972	10	11.2
1973	22	11.2
1974	11	11.2
1979	3	11.2
1980	6	2.6
1981	1	2.6
1982	1	2.6
1983	1	2.6
1984	1	2.6
1986	1	2.6
1987	1	2.6
1989	9	2.6
1990	12	4.6
1991	2	4.6
1992	1	4.6
1993	1	4.6
1994	6	4.6
1995	11	4.6
1996	3	4.6
1997	2	4.6
1998	7	4.6
1999	1	4.6
2000	5	7.8
2001	6	7.8
2002	19	7.8
2003	17	7.8
2004	2	7.8
2005	10	7.8
2006	5	7.8
2008	4	7.8
2009	2	7.8
2010	4	5.5
2011	1	5.5
2012	9	5.5
2013	7	5.5
2014	1	5.5
2015	3	5.5
2016	6	5.5
2017	5	5.5
2018	9	5.5
2019	10	5.5
2020	10	9.5
2021	9	9.5

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

First to last qualifying date each year at Bailey
Year	First date	Last date
1939	1939-06-14	1939-08-22
1940	1940-06-02	1940-07-25
1941	1941-08-02	1941-09-06
1943	1943-06-22	1943-07-26
1946	1946-06-10	1946-08-06
1947	1947-07-02	1947-09-02
1948	1948-07-09	1948-09-14
1949	1949-07-30	1949-09-19
1950	1950-06-11	1950-08-31
1951	1951-07-02	1951-08-19
1952	1952-06-09	1952-09-09
1953	1953-06-09	1953-09-01
1954	1954-06-17	1954-09-22
1955	1955-06-23	1955-09-01
1956	1956-06-10	1956-09-20
1957	1957-06-28	1957-08-01
1958	1958-06-27	1958-09-12
1959	1959-06-07	1959-09-08
1960	1960-06-17	1960-09-06
1961	1961-06-21	1961-07-18
1962	1962-07-03	1962-08-23
1963	1963-06-23	1963-08-01
1964	1964-07-03	1964-08-10
1965	1965-07-04	1965-08-12
1966	1966-06-25	1966-08-16
1967	1967-07-22	1967-07-27
1968	1968-06-18	1968-07-20
1969	1969-07-02	1969-08-10
1970	1970-06-26	1970-08-02
1971	1971-06-23	1971-09-13
1972	1972-06-22	1972-08-12
1973	1973-06-24	1973-08-29
1974	1974-06-20	1974-09-09
1979	1979-07-15	1979-08-07
1980	1980-06-24	1980-08-07
1981	1981-06-24	1981-06-24
1982	1982-07-24	1982-07-24
1983	1983-07-20	1983-07-20
1984	1984-07-07	1984-07-07
1986	1986-08-19	1986-08-19
1987	1987-07-16	1987-07-16
1989	1989-06-20	1989-07-10
1990	1990-06-19	1990-08-31
1991	1991-06-26	1991-07-07
1992	1992-07-07	1992-07-07
1993	1993-07-03	1993-07-03
1994	1994-06-17	1994-08-18
1995	1995-07-12	1995-09-05
1996	1996-07-08	1996-08-14
1997	1997-07-16	1997-07-24
1998	1998-06-28	1998-07-21
1999	1999-07-08	1999-07-08
2000	2000-05-30	2000-08-10
2001	2001-07-01	2001-07-30
2002	2002-06-09	2002-08-19
2003	2003-07-03	2003-08-07
2004	2004-06-08	2004-07-14
2005	2005-06-20	2005-08-02
2006	2006-06-15	2006-07-31
2008	2008-07-21	2008-08-03
2009	2009-08-23	2009-08-24
2010	2010-06-08	2010-07-20
2011	2011-07-05	2011-07-05
2012	2012-06-19	2012-07-06
2013	2013-06-11	2013-07-23
2014	2014-07-08	2014-07-08
2015	2015-06-22	2015-08-16
2016	2016-06-20	2016-08-04
2017	2017-06-21	2017-07-20
2018	2018-06-27	2018-07-21
2019	2019-06-29	2019-09-06
2020	2020-07-08	2020-09-06
2021	2021-06-15	2021-09-12

Every Fixed Threshold

Fixed thresholds at Bailey
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	73	34	1960	9
35 C (95 F): Days	2	2	1954	1
90 F (32.2 C): Days	36	10	1952	1
0 C (32 F): Ice days (max	76	47	1997	29
0 C (32 F): Frost days (min	75	258	1980	239
-10 C (14 F): Days with min	75	113	2010	83
-20 C (-4 F): Days with min	75	31	1983	7
-30 C (-22 F): Days with min	33	5	1963	3
-40 C (-40 F): Days with min	2	1	1951	1
10 mm (0.39 in): Days with 10 mm or more rain	78	22	1997	12
25 mm (0.98 in): Days with 25 mm or more rain	60	7	1969	3
50 mm (1.97 in): Days with 50 mm or more rain	7	1	1949	1
10 cm (3.9 in): Days with 10 cm or more snowfall	74	13	1979	7
25 cm (9.8 in): Days with 25 cm or more snowfall	32	3	1969	2
50 cm (19.7 in): Days with 50 cm or more snowfall	4	1	1950	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1939.

Download the Data

Data for Bailey 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).

Bailey Threshold Days by Year (USC00050454)

Key Facts for Bailey Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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