Umba Threshold Days by Year (RSM00022324)
11 fixed thresholds counted per year at Umba (RSM00022324): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Umba Thresholds
- Umba: days with 10 mm (0.39 in) or more of precipitation in 86 years, most in 1981 with 18.
- Umba: days with a maximum temperature at or below 0 C (32 F) in 69 years, most in 1980 with 159.
- Umba: nights with a minimum temperature at or below 0 C (32 F) in 68 years, most in 1952 with 225.
- Umba: nights with a minimum temperature at or below -10 C (14 F) in 68 years, most in 1941 with 126.
- 11 fixed thresholds have at least one qualifying day at Umba.
Nights at or below 0 C (32 F)
68 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1937 | 195 | 198.3 |
| 1938 | 178 | 198.3 |
| 1939 | 222 | 198.3 |
| 1940 | 197 | 200 |
| 1941 | 224 | 200 |
| 1942 | 196 | 200 |
| 1944 | 178 | 200 |
| 1945 | 211 | 200 |
| 1946 | 209 | 200 |
| 1947 | 198 | 200 |
| 1948 | 192 | 200 |
| 1949 | 195 | 200 |
| 1950 | 181 | 197.9 |
| 1951 | 197 | 197.9 |
| 1952 | 225 | 197.9 |
| 1953 | 189 | 197.9 |
| 1954 | 204 | 197.9 |
| 1955 | 207 | 197.9 |
| 1956 | 207 | 197.9 |
| 1957 | 173 | 197.9 |
| 1960 | 190 | 185.3 |
| 1961 | 183 | 185.3 |
| 1962 | 190 | 185.3 |
| 1963 | 178 | 185.3 |
| 1964 | 180 | 185.3 |
| 1965 | 191 | 185.3 |
| 1977 | 169 | 201.3 |
| 1978 | 223 | 201.3 |
| 1979 | 212 | 201.3 |
| 1980 | 215 | 196.1 |
| 1981 | 201 | 196.1 |
| 1982 | 199 | 196.1 |
| 1983 | 192 | 196.1 |
| 1984 | 202 | 196.1 |
| 1985 | 211 | 196.1 |
| 1986 | 198 | 196.1 |
| 1987 | 179 | 196.1 |
| 1988 | 206 | 196.1 |
| 1989 | 158 | 196.1 |
| 1990 | 201 | 206 |
| 1992 | 202 | 206 |
| 1993 | 225 | 206 |
| 1994 | 205 | 206 |
| 1995 | 205 | 206 |
| 1996 | 198 | 206 |
| 1997 | 215 | 206 |
| 1998 | 203 | 206 |
| 1999 | 200 | 206 |
| 2000 | 180 | 193.6 |
| 2001 | 208 | 193.6 |
| 2002 | 210 | 193.6 |
| 2003 | 182 | 193.6 |
| 2004 | 202 | 193.6 |
| 2005 | 185 | 193.6 |
| 2006 | 192 | 193.6 |
| 2007 | 176 | 193.6 |
| 2008 | 198 | 193.6 |
| 2009 | 203 | 193.6 |
| 2010 | 193 | 187.3 |
| 2011 | 170 | 187.3 |
| 2012 | 184 | 187.3 |
| 2013 | 185 | 187.3 |
| 2014 | 199 | 187.3 |
| 2015 | 188 | 187.3 |
| 2016 | 177 | 187.3 |
| 2017 | 203 | 187.3 |
| 2018 | 187 | 187.3 |
| 2025 | 89 | 89 |
| Year | First date | Last date |
|---|---|---|
| 1937 | 1937-01-01 | 1937-12-31 |
| 1938 | 1938-01-01 | 1938-12-31 |
| 1939 | 1939-01-01 | 1939-12-31 |
| 1940 | 1940-01-01 | 1940-12-31 |
| 1941 | 1941-01-01 | 1941-12-31 |
| 1942 | 1942-01-01 | 1942-12-27 |
| 1944 | 1944-01-01 | 1944-12-31 |
| 1945 | 1945-01-01 | 1945-12-30 |
| 1946 | 1946-01-01 | 1946-12-31 |
| 1947 | 1947-01-01 | 1947-12-31 |
| 1948 | 1948-01-01 | 1948-12-31 |
| 1949 | 1949-01-01 | 1949-12-31 |
| 1950 | 1950-01-01 | 1950-12-31 |
| 1951 | 1951-01-01 | 1951-12-31 |
| 1952 | 1952-01-01 | 1952-12-31 |
| 1953 | 1953-01-01 | 1953-12-31 |
| 1954 | 1954-01-01 | 1954-12-31 |
| 1955 | 1955-01-01 | 1955-12-31 |
| 1956 | 1956-01-01 | 1956-12-31 |
| 1957 | 1957-01-01 | 1957-12-31 |
| 1960 | 1960-01-01 | 1960-12-30 |
| 1961 | 1961-01-01 | 1961-12-31 |
| 1962 | 1962-01-01 | 1962-12-31 |
| 1963 | 1963-01-01 | 1963-12-30 |
| 1964 | 1964-01-01 | 1964-12-31 |
| 1965 | 1965-01-01 | 1965-12-28 |
| 1977 | 1977-01-01 | 1977-12-31 |
| 1978 | 1978-01-01 | 1978-12-31 |
| 1979 | 1979-01-01 | 1979-12-31 |
| 1980 | 1980-01-01 | 1980-12-31 |
| 1981 | 1981-01-01 | 1981-12-31 |
| 1982 | 1982-01-01 | 1982-12-31 |
| 1983 | 1983-01-01 | 1983-12-31 |
| 1984 | 1984-01-01 | 1984-12-31 |
| 1985 | 1985-01-01 | 1985-12-31 |
| 1986 | 1986-01-01 | 1986-12-31 |
| 1987 | 1987-01-01 | 1987-12-31 |
| 1988 | 1988-01-01 | 1988-12-31 |
| 1989 | 1989-01-01 | 1989-12-31 |
| 1990 | 1990-01-01 | 1990-12-31 |
| 1992 | 1992-01-01 | 1992-12-31 |
| 1993 | 1993-01-01 | 1993-12-31 |
| 1994 | 1994-01-02 | 1994-12-31 |
| 1995 | 1995-01-01 | 1995-12-31 |
| 1996 | 1996-01-01 | 1996-12-31 |
| 1997 | 1997-01-01 | 1997-12-31 |
| 1998 | 1998-01-01 | 1998-12-31 |
| 1999 | 1999-01-01 | 1999-12-31 |
| 2000 | 2000-01-01 | 2000-12-31 |
| 2001 | 2001-01-01 | 2001-12-31 |
| 2002 | 2002-01-01 | 2002-12-31 |
| 2003 | 2003-01-01 | 2003-12-31 |
| 2004 | 2004-01-01 | 2004-12-31 |
| 2005 | 2005-01-01 | 2005-12-31 |
| 2006 | 2006-01-01 | 2006-12-31 |
| 2007 | 2007-01-01 | 2007-12-31 |
| 2008 | 2008-01-01 | 2008-12-31 |
| 2009 | 2009-01-01 | 2009-12-31 |
| 2010 | 2010-01-01 | 2010-12-31 |
| 2011 | 2011-01-01 | 2011-12-31 |
| 2012 | 2012-01-01 | 2012-12-31 |
| 2013 | 2013-01-01 | 2013-12-31 |
| 2014 | 2014-01-01 | 2014-12-31 |
| 2015 | 2015-01-01 | 2015-12-31 |
| 2016 | 2016-01-01 | 2016-12-31 |
| 2017 | 2017-01-01 | 2017-12-31 |
| 2018 | 2018-01-01 | 2018-12-31 |
| 2025 | 2025-01-03 | 2025-05-23 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 1 | 1 | 1939 | 1 |
| 0 C (32 F): Ice days (max | 69 | 159 | 1980 | 39 |
| 0 C (32 F): Frost days (min | 68 | 225 | 1952 | 89 |
| -10 C (14 F): Days with min | 68 | 126 | 1941 | 25 |
| -20 C (-4 F): Days with min | 68 | 63 | 1985 | 6 |
| -30 C (-22 F): Days with min | 42 | 18 | 1985 | 2 |
| -40 C (-40 F): Days with min | 1 | 1 | 1985 | 1 |
| 20 C (68 F): Tropical nights (min | 3 | 2 | 2003 | 2 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 86 | 18 | 1981 | 8 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 41 | 3 | 1978 | 1 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 2 | 1 | 1987 | 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
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).