Bastanka Threshold Days by Year (UPM00033788)

11 fixed thresholds counted per year at Bastanka (UPM00033788): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Bastanka Thresholds

Bastanka: days with 10 mm (0.39 in) or more of precipitation in 51 years, most in 1937 with 15.
Bastanka: days with 25 mm (0.98 in) or more of precipitation in 45 years, most in 1952 with 5.
Bastanka: days with 50 mm (1.97 in) or more of precipitation in 8 years, most in 1950 with 1.
Bastanka: days with a maximum temperature at or above 30 C (86 F) in 2 years, most in 2001 with 42.
11 fixed thresholds have at least one qualifying day at Bastanka.

Days with 10 mm (0.39 in) or more of precipitation

51 years with a qualifying day

Days per year at Bastanka with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 15 in 1937.

Days with 10 mm (0.39 in) or more of precipitation per year at Bastanka
Year	Days	Decade average
1936	8	12.3
1937	15	12.3
1938	15	12.3
1939	11	12.3
1940	13	7.6
1942	7	7.6
1945	10	7.6
1946	4	7.6
1947	7	7.6
1948	5	7.6
1949	7	7.6
1950	12	10.7
1951	14	10.7
1952	13	10.7
1953	8	10.7
1954	12	10.7
1955	11	10.7
1956	8	10.7
1957	4	10.7
1958	11	10.7
1959	14	10.7
1960	11	9.9
1961	10	9.9
1962	10	9.9
1963	9	9.9
1964	5	9.9
1965	11	9.9
1966	12	9.9
1967	8	9.9
1968	12	9.9
1969	11	9.9
1970	14	11.8
1971	10	11.8
1972	9	11.8
1973	11	11.8
1974	13	11.8
1975	11	11.8
1977	16	11.8
1978	13	11.8
1979	9	11.8
1980	17	11
1981	16	11
1982	10	11
1983	4	11
1984	12	11
1985	15	11
1986	10	11
1987	7	11
1988	11	11
1989	8	11
1990	20	20

For each year, a bar from the first to the last day at Bastanka meeting 10 mm (0.39 in).

First to last qualifying date each year at Bastanka
Year	First date	Last date
1936	1936-04-12	1936-12-04
1937	1937-02-22	1937-12-05
1938	1938-02-15	1938-11-06
1939	1939-01-28	1939-10-27
1940	1940-03-30	1940-12-13
1942	1942-04-03	1942-11-13
1945	1945-04-24	1945-10-07
1946	1946-04-11	1946-11-16
1947	1947-03-01	1947-12-08
1948	1948-02-02	1948-06-25
1949	1949-06-10	1949-12-14
1950	1950-04-27	1950-12-21
1951	1951-02-21	1951-11-13
1952	1952-02-19	1952-11-27
1953	1953-01-05	1953-07-14
1954	1954-05-09	1954-12-30
1955	1955-04-13	1955-11-15
1956	1956-03-10	1956-09-13
1957	1957-05-15	1957-11-12
1958	1958-02-19	1958-10-20
1959	1959-01-10	1959-12-26
1960	1960-02-17	1960-12-29
1961	1961-01-07	1961-09-29
1962	1962-03-26	1962-12-31
1963	1963-01-05	1963-12-20
1964	1964-06-07	1964-08-25
1965	1965-02-18	1965-12-13
1966	1966-01-01	1966-12-22
1967	1967-01-04	1967-12-29
1968	1968-01-03	1968-12-27
1969	1969-02-12	1969-12-08
1970	1970-02-27	1970-11-22
1971	1971-05-09	1971-12-03
1972	1972-06-20	1972-11-25
1973	1973-03-15	1973-12-16
1974	1974-02-08	1974-11-29
1975	1975-04-26	1975-11-20
1977	1977-02-04	1977-12-02
1978	1978-02-18	1978-12-15
1979	1979-02-01	1979-11-07
1980	1980-03-11	1980-12-01
1981	1981-01-05	1981-12-18
1982	1982-04-20	1982-10-17
1983	1983-07-03	1983-08-11
1984	1984-01-10	1984-11-22
1985	1985-01-09	1985-11-07
1986	1986-02-21	1986-12-23
1987	1987-01-12	1987-11-12
1988	1988-03-29	1988-10-09
1989	1989-05-05	1989-10-11
1990	1990-04-12	1990-12-15

Every Fixed Threshold

Fixed thresholds at Bastanka
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	2	42	2001	24
35 C (95 F): Days	1	8	2001	8
90 F (32.2 C): Days	2	24	2001	6
0 C (32 F): Ice days (max	2	43	2003	43
0 C (32 F): Frost days (min	2	114	2003	114
-10 C (14 F): Days with min	2	17	2001	17
-20 C (-4 F): Days with min	1	1	2003	1
20 C (68 F): Tropical nights (min	2	9	2001	2
10 mm (0.39 in): Days with 10 mm or more rain	51	15	1937	20
25 mm (0.98 in): Days with 25 mm or more rain	45	5	1952	4
50 mm (1.97 in): Days with 50 mm or more rain	8	1	1950	2

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 2001.

Download the Data

Data for Bastanka 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).

Bastanka Threshold Days by Year (UPM00033788)

Key Facts for Bastanka Thresholds

Days with 10 mm (0.39 in) or more of precipitation

Every Fixed Threshold

Download the Data

Related