Bad Kosen Threshold Days by Year (GME00124738)

11 fixed thresholds counted per year at Bad Kosen (GME00124738): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Bad Kosen Thresholds

Bad Kosen: days with 10 mm (0.39 in) or more of precipitation in 60 years, most in 1977 with 26.
Bad Kosen: days with 25 mm (0.98 in) or more of precipitation in 49 years, most in 1977 with 5.
Bad Kosen: days with a maximum temperature at or above 30 C (86 F) in 38 years, most in 1947 with 33.
Bad Kosen: days with a maximum temperature at or below 0 C (32 F) in 38 years, most in 1963 with 64.
11 fixed thresholds have at least one qualifying day at Bad Kosen.

Days at or above 30 C (86 F)

38 years with a qualifying day

Days per year at Bad Kosen with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 33 in 1947.

Days at or above 30 C (86 F) per year at Bad Kosen
Year	Days	Decade average
1946	9	16.3
1947	33	16.3
1948	13	16.3
1949	10	16.3
1950	13	7.8
1951	5	7.8
1952	11	7.8
1953	8	7.8
1954	7	7.8
1955	3	7.8
1956	1	7.8
1957	13	7.8
1958	4	7.8
1959	13	7.8
1960	4	9.2
1961	14	9.2
1962	2	9.2
1963	8	9.2
1964	19	9.2
1965	1	9.2
1966	8	9.2
1968	5	9.2
1969	22	9.2
1970	9	12
1971	16	12
1972	11	12
1995	12	7.2
1996	5	7.2
1997	8	7.2
1998	7	7.2
1999	4	7.2
2000	7	11.7
2001	8	11.7
2002	10	11.7
2003	25	11.7
2004	4	11.7
2005	11	11.7
2006	17	11.7

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

First to last qualifying date each year at Bad Kosen
Year	First date	Last date
1946	1946-07-02	1946-08-10
1947	1947-05-31	1947-09-20
1948	1948-06-09	1948-09-11
1949	1949-07-13	1949-09-06
1950	1950-05-21	1950-08-26
1951	1951-07-11	1951-09-13
1952	1952-06-30	1952-08-14
1953	1953-05-19	1953-09-02
1954	1954-06-19	1954-09-02
1955	1955-04-30	1955-07-18
1956	1956-05-31	1956-05-31
1957	1957-06-17	1957-08-09
1958	1958-07-13	1958-09-15
1959	1959-06-06	1959-08-22
1960	1960-07-30	1960-08-27
1961	1961-06-25	1961-09-18
1962	1962-06-15	1962-08-12
1963	1963-06-28	1963-08-06
1964	1964-06-05	1964-09-15
1965	1965-07-14	1965-07-14
1966	1966-06-11	1966-08-13
1968	1968-04-22	1968-07-02
1969	1969-05-13	1969-09-13
1970	1970-06-20	1970-09-10
1971	1971-05-17	1971-08-20
1972	1972-06-05	1972-08-13
1995	1995-07-08	1995-08-23
1996	1996-05-31	1996-08-20
1997	1997-05-17	1997-08-28
1998	1998-06-06	1998-08-12
1999	1999-07-03	1999-09-14
2000	2000-06-10	2000-08-17
2001	2001-07-28	2001-08-26
2002	2002-06-17	2002-08-20
2003	2003-05-05	2003-08-18
2004	2004-07-17	2004-08-12
2005	2005-05-27	2005-09-08
2006	2006-06-13	2006-07-28

Every Fixed Threshold

Fixed thresholds at Bad Kosen
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	38	33	1947	17
35 C (95 F): Days	12	3	1947	3
90 F (32.2 C): Days	29	23	1947	12
0 C (32 F): Ice days (max	38	64	1963	23
0 C (32 F): Frost days (min	38	118	1955	83
-10 C (14 F): Days with min	38	46	1963	10
-20 C (-4 F): Days with min	7	7	1947	1
20 C (68 F): Tropical nights (min	2	1	1959	1
10 mm (0.39 in): Days with 10 mm or more rain	60	26	1977	8
25 mm (0.98 in): Days with 25 mm or more rain	49	5	1977	2
50 mm (1.97 in): Days with 50 mm or more rain	7	1	1946	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1946.

Download the Data

Data for Bad Kosen 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).

Bad Kosen Threshold Days by Year (GME00124738)

Key Facts for Bad Kosen Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

Related