Aurora Threshold Days by Year (BR038328090)
4 fixed thresholds counted per year at Aurora (BR038328090): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Aurora Thresholds
- Aurora: days with 10 mm (0.39 in) or more of precipitation in 51 years, most in 1924 with 77.
- Aurora: days with 25 mm (0.98 in) or more of precipitation in 51 years, most in 1924 with 38.
- Aurora: days with 50 mm (1.97 in) or more of precipitation in 45 years, most in 1981 with 10.
- Aurora: days with 100 mm (3.94 in) or more of precipitation in 5 years, most in 1924 with 1.
- 4 fixed thresholds have at least one qualifying day at Aurora.
Days with 10 mm (0.39 in) or more of precipitation
51 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1912 | 31 | 28.1 |
| 1913 | 32 | 28.1 |
| 1914 | 31 | 28.1 |
| 1915 | 18 | 28.1 |
| 1916 | 31 | 28.1 |
| 1917 | 44 | 28.1 |
| 1918 | 29 | 28.1 |
| 1919 | 9 | 28.1 |
| 1920 | 29 | 40.1 |
| 1921 | 24 | 40.1 |
| 1922 | 50 | 40.1 |
| 1923 | 31 | 40.1 |
| 1924 | 77 | 40.1 |
| 1925 | 50 | 40.1 |
| 1926 | 29 | 40.1 |
| 1927 | 31 | 40.1 |
| 1930 | 17 | 17 |
| 1941 | 22 | 24 |
| 1948 | 21 | 24 |
| 1949 | 29 | 24 |
| 1950 | 27 | 25.9 |
| 1951 | 19 | 25.9 |
| 1952 | 21 | 25.9 |
| 1953 | 25 | 25.9 |
| 1954 | 22 | 25.9 |
| 1955 | 33 | 25.9 |
| 1956 | 36 | 25.9 |
| 1957 | 28 | 25.9 |
| 1959 | 22 | 25.9 |
| 1960 | 22 | 31.5 |
| 1961 | 29 | 31.5 |
| 1962 | 32 | 31.5 |
| 1963 | 41 | 31.5 |
| 1964 | 61 | 31.5 |
| 1965 | 32 | 31.5 |
| 1966 | 19 | 31.5 |
| 1967 | 28 | 31.5 |
| 1968 | 23 | 31.5 |
| 1969 | 28 | 31.5 |
| 1970 | 20 | 33.5 |
| 1971 | 37 | 33.5 |
| 1972 | 22 | 33.5 |
| 1973 | 46 | 33.5 |
| 1974 | 56 | 33.5 |
| 1975 | 35 | 33.5 |
| 1976 | 24 | 33.5 |
| 1977 | 38 | 33.5 |
| 1978 | 34 | 33.5 |
| 1979 | 23 | 33.5 |
| 1980 | 31 | 24.5 |
| 1981 | 18 | 24.5 |
| Year | First date | Last date |
|---|---|---|
| 1912 | 1912-01-24 | 1912-11-04 |
| 1913 | 1913-01-04 | 1913-12-09 |
| 1914 | 1914-01-04 | 1914-08-20 |
| 1915 | 1915-01-26 | 1915-12-27 |
| 1916 | 1916-01-20 | 1916-12-31 |
| 1917 | 1917-01-01 | 1917-12-25 |
| 1918 | 1918-01-04 | 1918-12-30 |
| 1919 | 1919-01-01 | 1919-07-19 |
| 1920 | 1920-02-01 | 1920-12-31 |
| 1921 | 1921-01-03 | 1921-11-10 |
| 1922 | 1922-02-15 | 1922-12-01 |
| 1923 | 1923-01-01 | 1923-10-18 |
| 1924 | 1924-01-26 | 1924-12-27 |
| 1925 | 1925-01-04 | 1925-12-18 |
| 1926 | 1926-01-29 | 1926-10-13 |
| 1927 | 1927-01-29 | 1927-11-13 |
| 1930 | 1930-03-04 | 1930-11-20 |
| 1941 | 1941-01-07 | 1941-11-13 |
| 1948 | 1948-02-07 | 1948-12-19 |
| 1949 | 1949-02-06 | 1949-11-24 |
| 1950 | 1950-01-16 | 1950-12-26 |
| 1951 | 1951-01-09 | 1951-12-27 |
| 1952 | 1952-01-11 | 1952-12-16 |
| 1953 | 1953-01-21 | 1953-12-18 |
| 1954 | 1954-01-20 | 1954-11-26 |
| 1955 | 1955-01-15 | 1955-11-11 |
| 1956 | 1956-01-20 | 1956-04-24 |
| 1957 | 1957-01-14 | 1957-04-24 |
| 1959 | 1959-01-12 | 1959-04-27 |
| 1960 | 1960-01-06 | 1960-05-21 |
| 1961 | 1961-01-16 | 1961-05-12 |
| 1962 | 1962-01-22 | 1962-12-16 |
| 1963 | 1963-01-11 | 1963-12-30 |
| 1964 | 1964-01-02 | 1964-05-18 |
| 1965 | 1965-01-07 | 1965-10-06 |
| 1966 | 1966-01-23 | 1966-12-26 |
| 1967 | 1967-01-05 | 1967-12-29 |
| 1968 | 1968-01-09 | 1968-12-14 |
| 1969 | 1969-01-17 | 1969-12-28 |
| 1970 | 1970-01-18 | 1970-04-28 |
| 1971 | 1971-01-11 | 1971-12-28 |
| 1972 | 1972-01-18 | 1972-12-24 |
| 1973 | 1973-01-04 | 1973-12-29 |
| 1974 | 1974-01-12 | 1974-12-26 |
| 1975 | 1975-01-18 | 1975-12-06 |
| 1976 | 1976-01-19 | 1976-12-15 |
| 1977 | 1977-01-08 | 1977-12-17 |
| 1978 | 1978-01-10 | 1978-12-04 |
| 1979 | 1979-01-14 | 1979-12-14 |
| 1980 | 1980-01-14 | 1980-12-17 |
| 1981 | 1981-01-05 | 1981-12-24 |
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 | 51 | 77 | 1924 | 18 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 51 | 38 | 1924 | 13 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 45 | 10 | 1981 | 10 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 5 | 1 | 1924 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1912.
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).