Immarna Threshold Days by Year (ASN00018145)
3 fixed thresholds counted per year at Immarna (ASN00018145): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Immarna Thresholds
- Immarna: days with 10 mm (0.39 in) or more of precipitation in 57 years, most in 1966 with 15.
- Immarna: days with 25 mm (0.98 in) or more of precipitation in 33 years, most in 1975 with 7.
- Immarna: days with 50 mm (1.97 in) or more of precipitation in 6 years, most in 1921 with 1.
- 3 fixed thresholds have at least one qualifying day at Immarna.
Days with 10 mm (0.39 in) or more of precipitation
57 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1920 | 4 | 2.8 |
| 1921 | 5 | 2.8 |
| 1922 | 3 | 2.8 |
| 1923 | 2 | 2.8 |
| 1924 | 3 | 2.8 |
| 1925 | 5 | 2.8 |
| 1926 | 1 | 2.8 |
| 1927 | 2 | 2.8 |
| 1928 | 2 | 2.8 |
| 1929 | 1 | 2.8 |
| 1930 | 5 | 6.3 |
| 1931 | 7 | 6.3 |
| 1932 | 8 | 6.3 |
| 1933 | 5 | 6.3 |
| 1934 | 2 | 6.3 |
| 1935 | 9 | 6.3 |
| 1936 | 4 | 6.3 |
| 1937 | 8 | 6.3 |
| 1938 | 8 | 6.3 |
| 1939 | 7 | 6.3 |
| 1940 | 4 | 5.3 |
| 1941 | 11 | 5.3 |
| 1942 | 9 | 5.3 |
| 1943 | 5 | 5.3 |
| 1944 | 3 | 5.3 |
| 1945 | 6 | 5.3 |
| 1946 | 3 | 5.3 |
| 1948 | 2 | 5.3 |
| 1949 | 5 | 5.3 |
| 1950 | 5 | 5 |
| 1951 | 4 | 5 |
| 1952 | 3 | 5 |
| 1953 | 5 | 5 |
| 1954 | 4 | 5 |
| 1955 | 10 | 5 |
| 1956 | 3 | 5 |
| 1958 | 8 | 5 |
| 1959 | 3 | 5 |
| 1960 | 3 | 6.6 |
| 1961 | 2 | 6.6 |
| 1962 | 5 | 6.6 |
| 1963 | 3 | 6.6 |
| 1964 | 8 | 6.6 |
| 1965 | 3 | 6.6 |
| 1966 | 15 | 6.6 |
| 1967 | 5 | 6.6 |
| 1968 | 14 | 6.6 |
| 1969 | 8 | 6.6 |
| 1970 | 2 | 7.9 |
| 1971 | 5 | 7.9 |
| 1972 | 3 | 7.9 |
| 1973 | 11 | 7.9 |
| 1974 | 12 | 7.9 |
| 1975 | 13 | 7.9 |
| 1979 | 9 | 7.9 |
| 1980 | 7 | 7.5 |
| 1981 | 8 | 7.5 |
| Year | First date | Last date |
|---|---|---|
| 1920 | 1920-04-10 | 1920-12-28 |
| 1921 | 1921-02-25 | 1921-05-28 |
| 1922 | 1922-02-17 | 1922-04-30 |
| 1923 | 1923-08-09 | 1923-10-24 |
| 1924 | 1924-02-01 | 1924-12-14 |
| 1925 | 1925-04-03 | 1925-11-16 |
| 1926 | 1926-08-28 | 1926-08-28 |
| 1927 | 1927-06-08 | 1927-06-16 |
| 1928 | 1928-01-31 | 1928-10-12 |
| 1929 | 1929-08-13 | 1929-08-13 |
| 1930 | 1930-05-07 | 1930-10-23 |
| 1931 | 1931-03-12 | 1931-11-06 |
| 1932 | 1932-02-05 | 1932-12-21 |
| 1933 | 1933-01-18 | 1933-11-28 |
| 1934 | 1934-02-14 | 1934-11-07 |
| 1935 | 1935-03-21 | 1935-11-29 |
| 1936 | 1936-05-26 | 1936-10-23 |
| 1937 | 1937-05-15 | 1937-12-02 |
| 1938 | 1938-02-19 | 1938-10-22 |
| 1939 | 1939-03-11 | 1939-11-03 |
| 1940 | 1940-01-25 | 1940-05-11 |
| 1941 | 1941-02-27 | 1941-11-28 |
| 1942 | 1942-01-25 | 1942-12-23 |
| 1943 | 1943-02-17 | 1943-11-07 |
| 1944 | 1944-03-19 | 1944-04-06 |
| 1945 | 1945-01-10 | 1945-12-16 |
| 1946 | 1946-02-17 | 1946-12-23 |
| 1948 | 1948-11-07 | 1948-12-23 |
| 1949 | 1949-02-20 | 1949-12-08 |
| 1950 | 1950-01-31 | 1950-12-19 |
| 1951 | 1951-05-22 | 1951-12-07 |
| 1952 | 1952-01-06 | 1952-11-25 |
| 1953 | 1953-01-05 | 1953-12-22 |
| 1954 | 1954-01-27 | 1954-04-28 |
| 1955 | 1955-02-11 | 1955-11-24 |
| 1956 | 1956-05-08 | 1956-09-02 |
| 1958 | 1958-01-29 | 1958-12-24 |
| 1959 | 1959-07-29 | 1959-12-04 |
| 1960 | 1960-01-17 | 1960-09-07 |
| 1961 | 1961-04-09 | 1961-04-16 |
| 1962 | 1962-09-22 | 1962-10-18 |
| 1963 | 1963-05-11 | 1963-05-28 |
| 1964 | 1964-01-13 | 1964-11-18 |
| 1965 | 1965-08-09 | 1965-12-22 |
| 1966 | 1966-02-15 | 1966-12-05 |
| 1967 | 1967-01-24 | 1967-02-23 |
| 1968 | 1968-01-19 | 1968-12-23 |
| 1969 | 1969-01-14 | 1969-10-25 |
| 1970 | 1970-09-12 | 1970-09-21 |
| 1971 | 1971-06-02 | 1971-11-24 |
| 1972 | 1972-08-15 | 1972-11-03 |
| 1973 | 1973-01-08 | 1973-10-17 |
| 1974 | 1974-01-17 | 1974-11-20 |
| 1975 | 1975-02-21 | 1975-12-03 |
| 1979 | 1979-04-24 | 1979-09-24 |
| 1980 | 1980-05-30 | 1980-12-02 |
| 1981 | 1981-01-09 | 1981-11-12 |
Every Fixed Threshold
| 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 | 57 | 15 | 1966 | 8 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 33 | 7 | 1975 | 2 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 6 | 1 | 1921 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1920.
Download the Data
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 . Last revised (2025-12-31).