Morko Threshold Days by Year (SWE00138192)

3 fixed thresholds counted per year at Morko (SWE00138192): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Morko Thresholds

Morko: days with 10 mm (0.39 in) or more of precipitation in 60 years, most in 1990 with 40.
Morko: days with 25 mm (0.98 in) or more of precipitation in 50 years, most in 1997 with 8.
Morko: days with 50 mm (1.97 in) or more of precipitation in 5 years, most in 1966 with 1.
3 fixed thresholds have at least one qualifying day at Morko.

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

60 years with a qualifying day

Days per year at Morko with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 40 in 1990.

Days with 10 mm (0.39 in) or more of precipitation per year at Morko
Year	Days	Decade average
1945	24	23
1946	33	23
1947	14	23
1948	20	23
1949	24	23
1950	20	18.7
1951	16	18.7
1952	21	18.7
1953	22	18.7
1954	26	18.7
1955	16	18.7
1956	14	18.7
1957	25	18.7
1958	12	18.7
1959	15	18.7
1960	27	22.2
1961	26	22.2
1962	23	22.2
1963	23	22.2
1964	20	22.2
1965	21	22.2
1966	16	22.2
1967	27	22.2
1968	18	22.2
1969	21	22.2
1970	18	20.9
1971	23	20.9
1972	20	20.9
1973	17	20.9
1974	23	20.9
1975	19	20.9
1976	18	20.9
1977	29	20.9
1978	23	20.9
1979	19	20.9
1980	25	24.6
1981	24	24.6
1982	21	24.6
1983	27	24.6
1984	27	24.6
1985	31	24.6
1986	18	24.6
1987	19	24.6
1988	34	24.6
1989	20	24.6
1990	40	28.9
1991	23	28.9
1992	27	28.9
1993	26	28.9
1994	33	28.9
1995	24	28.9
1996	22	28.9
1997	28	28.9
1998	32	28.9
1999	34	28.9
2000	37	28
2001	26	28
2002	28	28
2003	24	28
2004	25	28

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

First to last qualifying date each year at Morko
Year	First date	Last date
1945	1945-01-03	1945-11-07
1946	1946-02-02	1946-12-28
1947	1947-05-18	1947-11-30
1948	1948-01-05	1948-12-14
1949	1949-01-08	1949-12-19
1950	1950-02-13	1950-12-30
1951	1951-01-03	1951-12-15
1952	1952-04-07	1952-12-02
1953	1953-03-30	1953-11-28
1954	1954-01-15	1954-12-11
1955	1955-04-28	1955-12-28
1956	1956-01-17	1956-12-16
1957	1957-01-22	1957-12-20
1958	1958-01-09	1958-12-25
1959	1959-01-19	1959-10-26
1960	1960-01-05	1960-12-07
1961	1961-01-29	1961-11-11
1962	1962-01-11	1962-09-12
1963	1963-04-11	1963-12-31
1964	1964-04-22	1964-12-13
1965	1965-02-13	1965-12-30
1966	1966-01-01	1966-11-27
1967	1967-01-01	1967-12-23
1968	1968-02-17	1968-11-01
1969	1969-01-13	1969-11-13
1970	1970-03-31	1970-11-22
1971	1971-01-24	1971-11-07
1972	1972-04-02	1972-12-06
1973	1973-01-22	1973-11-24
1974	1974-01-14	1974-12-04
1975	1975-01-06	1975-10-04
1976	1976-01-19	1976-12-27
1977	1977-01-02	1977-12-27
1978	1978-03-14	1978-11-19
1979	1979-01-26	1979-11-26
1980	1980-02-10	1980-12-15
1981	1981-01-14	1981-11-27
1982	1982-04-07	1982-12-15
1983	1983-01-13	1983-12-31
1984	1984-01-01	1984-12-20
1985	1985-03-02	1985-12-31
1986	1986-01-21	1986-12-16
1987	1987-02-06	1987-12-18
1988	1988-01-01	1988-12-26
1989	1989-01-14	1989-12-21
1990	1990-01-15	1990-12-20
1991	1991-01-02	1991-11-13
1992	1992-01-01	1992-12-01
1993	1993-01-10	1993-12-19
1994	1994-01-11	1994-12-30
1995	1995-01-22	1995-11-16
1996	1996-04-24	1996-12-14
1997	1997-02-13	1997-12-25
1998	1998-01-04	1998-12-25
1999	1999-01-05	1999-12-11
2000	2000-01-06	2000-12-28
2001	2001-02-08	2001-11-28
2002	2002-01-22	2002-12-28
2003	2003-04-10	2003-12-28
2004	2004-01-31	2004-11-26

Every Fixed Threshold

Fixed thresholds at Morko
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
10 mm (0.39 in): Days with 10 mm or more rain	60	40	1990	25
25 mm (0.98 in): Days with 25 mm or more rain	50	8	1997	3
50 mm (1.97 in): Days with 50 mm or more rain	5	1	1966	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1945.

Download the Data

Data for Morko 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).

Morko Threshold Days by Year (SWE00138192)

Key Facts for Morko Thresholds

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

Every Fixed Threshold

Download the Data

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