Marengo Threshold Days by Year (USC00125322)
19 fixed thresholds counted per year at Marengo (USC00125322): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Marengo Thresholds
- Marengo: days with a maximum temperature at or above 30 C (86 F) in 42 years, most in 1936 with 115.
- Marengo: days with a maximum temperature at or above 90 F (32.2 C) in 42 years, most in 1936 with 93.
- Marengo: days with a maximum temperature at or above 35 C (95 F) in 41 years, most in 1936 with 55.
- Marengo: days with a maximum temperature at or below 0 C (32 F) in 41 years, most in 1902 with 29.
- 19 fixed thresholds have at least one qualifying day at Marengo.
Days at or above 30 C (86 F)
42 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1897 | 91 | 85.7 |
| 1898 | 90 | 85.7 |
| 1899 | 76 | 85.7 |
| 1900 | 88 | 71.5 |
| 1901 | 85 | 71.5 |
| 1902 | 68 | 71.5 |
| 1903 | 79 | 71.5 |
| 1904 | 63 | 71.5 |
| 1905 | 52 | 71.5 |
| 1906 | 80 | 71.5 |
| 1907 | 60 | 71.5 |
| 1908 | 91 | 71.5 |
| 1909 | 49 | 71.5 |
| 1910 | 46 | 65.5 |
| 1911 | 82 | 65.5 |
| 1912 | 52 | 65.5 |
| 1915 | 59 | 65.5 |
| 1918 | 66 | 65.5 |
| 1919 | 88 | 65.5 |
| 1921 | 94 | 74.6 |
| 1924 | 57 | 74.6 |
| 1925 | 82 | 74.6 |
| 1926 | 76 | 74.6 |
| 1927 | 67 | 74.6 |
| 1928 | 71 | 74.6 |
| 1929 | 75 | 74.6 |
| 1930 | 85 | 90.4 |
| 1931 | 91 | 90.4 |
| 1932 | 80 | 90.4 |
| 1933 | 91 | 90.4 |
| 1934 | 92 | 90.4 |
| 1935 | 67 | 90.4 |
| 1936 | 115 | 90.4 |
| 1937 | 89 | 90.4 |
| 1938 | 82 | 90.4 |
| 1939 | 112 | 90.4 |
| 1940 | 84 | 87.3 |
| 1942 | 91 | 87.3 |
| 1943 | 87 | 87.3 |
| 1964 | 77 | 68.7 |
| 1965 | 54 | 68.7 |
| 1966 | 75 | 68.7 |
| Year | First date | Last date |
|---|---|---|
| 1897 | 1897-04-28 | 1897-10-15 |
| 1898 | 1898-05-01 | 1898-10-03 |
| 1899 | 1899-04-21 | 1899-10-15 |
| 1900 | 1900-05-13 | 1900-10-05 |
| 1901 | 1901-04-30 | 1901-09-24 |
| 1902 | 1902-04-21 | 1902-09-22 |
| 1903 | 1903-05-15 | 1903-10-03 |
| 1904 | 1904-05-22 | 1904-10-10 |
| 1905 | 1905-04-28 | 1905-10-17 |
| 1906 | 1906-05-15 | 1906-09-23 |
| 1907 | 1907-03-21 | 1907-09-27 |
| 1908 | 1908-05-16 | 1908-09-26 |
| 1909 | 1909-06-06 | 1909-08-31 |
| 1910 | 1910-03-24 | 1910-10-03 |
| 1911 | 1911-05-15 | 1911-10-06 |
| 1912 | 1912-05-23 | 1912-09-12 |
| 1915 | 1915-04-20 | 1915-10-16 |
| 1918 | 1918-05-09 | 1918-10-04 |
| 1919 | 1919-05-29 | 1919-10-03 |
| 1921 | 1921-03-07 | 1921-09-29 |
| 1924 | 1924-05-05 | 1924-11-07 |
| 1925 | 1925-04-23 | 1925-09-28 |
| 1926 | 1926-05-01 | 1926-10-04 |
| 1927 | 1927-05-09 | 1927-10-27 |
| 1928 | 1928-05-02 | 1928-10-13 |
| 1929 | 1929-03-24 | 1929-09-29 |
| 1930 | 1930-04-10 | 1930-10-12 |
| 1931 | 1931-05-16 | 1931-10-04 |
| 1932 | 1932-05-15 | 1932-09-19 |
| 1933 | 1933-05-19 | 1933-09-30 |
| 1934 | 1934-04-04 | 1934-09-25 |
| 1935 | 1935-05-12 | 1935-09-25 |
| 1936 | 1936-05-01 | 1936-09-23 |
| 1937 | 1937-04-17 | 1937-10-01 |
| 1938 | 1938-04-18 | 1938-10-18 |
| 1939 | 1939-05-07 | 1939-10-10 |
| 1940 | 1940-05-06 | 1940-10-27 |
| 1942 | 1942-04-29 | 1942-10-09 |
| 1943 | 1943-05-05 | 1943-10-20 |
| 1964 | 1964-05-18 | 1964-09-20 |
| 1965 | 1965-04-22 | 1965-09-22 |
| 1966 | 1966-05-22 | 1966-09-02 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 42 | 115 | 1936 | 75 |
| 35 C (95 F): Days | 41 | 55 | 1936 | 15 |
| 40 C (104 F): Days | 5 | 15 | 1936 | 3 |
| 90 F (32.2 C): Days | 42 | 93 | 1936 | 42 |
| 100 F (37.8 C): Days | 19 | 27 | 1936 | 3 |
| 110 F (43.3 C): Days | 1 | 2 | 1936 | 2 |
| 0 C (32 F): Ice days (max | 41 | 29 | 1902 | 20 |
| 0 C (32 F): Frost days (min | 40 | 145 | 1943 | 121 |
| -10 C (14 F): Days with min | 40 | 40 | 1929 | 29 |
| -20 C (-4 F): Days with min | 30 | 14 | 1918 | 3 |
| -30 C (-22 F): Days with min | 5 | 5 | 1918 | 2 |
| 20 C (68 F): Tropical nights (min | 40 | 39 | 1900 | 10 |
| 25 C (77 F): Days with min | 4 | 3 | 1936 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 39 | 59 | 1927 | 32 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 39 | 23 | 1894 | 17 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 37 | 7 | 1894 | 5 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 3 | 2 | 1964 | 2 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 5 | 2 | 1925 | 1 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 1 | 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 1897.
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).