Greeley Threshold Days by Year (USC00053546)
17 fixed thresholds counted per year at Greeley (USC00053546): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Greeley Thresholds
- Greeley: days with 10 mm (0.39 in) or more of precipitation in 67 years, most in 1961 with 17.
- Greeley: days with a maximum temperature at or above 30 C (86 F) in 63 years, most in 1934 with 100.
- Greeley: days with a maximum temperature at or above 90 F (32.2 C) in 63 years, most in 1934 with 82.
- Greeley: days with a maximum temperature at or below 0 C (32 F) in 63 years, most in 1955 with 50.
- 17 fixed thresholds have at least one qualifying day at Greeley.
Days at or above 30 C (86 F)
63 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1896 | 55 | 53.3 |
| 1897 | 42 | 53.3 |
| 1898 | 63 | 53.3 |
| 1900 | 77 | 61.7 |
| 1901 | 70 | 61.7 |
| 1902 | 63 | 61.7 |
| 1903 | 59 | 61.7 |
| 1904 | 49 | 61.7 |
| 1905 | 61 | 61.7 |
| 1906 | 44 | 61.7 |
| 1908 | 63 | 61.7 |
| 1909 | 69 | 61.7 |
| 1910 | 75 | 75.5 |
| 1911 | 76 | 75.5 |
| 1912 | 53 | 75.5 |
| 1913 | 69 | 75.5 |
| 1918 | 84 | 75.5 |
| 1919 | 96 | 75.5 |
| 1920 | 56 | 61.8 |
| 1921 | 76 | 61.8 |
| 1922 | 81 | 61.8 |
| 1923 | 40 | 61.8 |
| 1924 | 69 | 61.8 |
| 1925 | 56 | 61.8 |
| 1926 | 62 | 61.8 |
| 1928 | 46 | 61.8 |
| 1929 | 70 | 61.8 |
| 1930 | 57 | 82.6 |
| 1931 | 85 | 82.6 |
| 1932 | 71 | 82.6 |
| 1933 | 85 | 82.6 |
| 1934 | 100 | 82.6 |
| 1935 | 78 | 82.6 |
| 1936 | 96 | 82.6 |
| 1937 | 86 | 82.6 |
| 1938 | 78 | 82.6 |
| 1939 | 90 | 82.6 |
| 1940 | 69 | 73.2 |
| 1941 | 61 | 73.2 |
| 1942 | 62 | 73.2 |
| 1943 | 77 | 73.2 |
| 1944 | 77 | 73.2 |
| 1945 | 70 | 73.2 |
| 1946 | 78 | 73.2 |
| 1947 | 73 | 73.2 |
| 1948 | 95 | 73.2 |
| 1949 | 70 | 73.2 |
| 1950 | 58 | 68 |
| 1951 | 47 | 68 |
| 1952 | 81 | 68 |
| 1953 | 74 | 68 |
| 1954 | 82 | 68 |
| 1955 | 74 | 68 |
| 1956 | 75 | 68 |
| 1957 | 47 | 68 |
| 1958 | 64 | 68 |
| 1959 | 78 | 68 |
| 1960 | 67 | 60.2 |
| 1961 | 52 | 60.2 |
| 1962 | 52 | 60.2 |
| 1963 | 65 | 60.2 |
| 1965 | 46 | 60.2 |
| 1966 | 79 | 60.2 |
| Year | First date | Last date |
|---|---|---|
| 1896 | 1896-05-05 | 1896-09-06 |
| 1897 | 1897-05-31 | 1897-09-23 |
| 1898 | 1898-05-24 | 1898-10-01 |
| 1900 | 1900-05-10 | 1900-09-13 |
| 1901 | 1901-05-02 | 1901-09-22 |
| 1902 | 1902-05-25 | 1902-09-19 |
| 1903 | 1903-06-17 | 1903-09-25 |
| 1904 | 1904-05-24 | 1904-09-18 |
| 1905 | 1905-06-03 | 1905-10-06 |
| 1906 | 1906-05-16 | 1906-09-24 |
| 1908 | 1908-05-19 | 1908-09-24 |
| 1909 | 1909-05-28 | 1909-09-30 |
| 1910 | 1910-04-27 | 1910-10-10 |
| 1911 | 1911-05-06 | 1911-09-16 |
| 1912 | 1912-05-18 | 1912-09-07 |
| 1913 | 1913-05-26 | 1913-09-06 |
| 1918 | 1918-05-03 | 1918-10-14 |
| 1919 | 1919-04-18 | 1919-09-25 |
| 1920 | 1920-05-24 | 1920-09-24 |
| 1921 | 1921-05-21 | 1921-10-05 |
| 1922 | 1922-06-06 | 1922-10-05 |
| 1923 | 1923-05-31 | 1923-09-22 |
| 1924 | 1924-06-10 | 1924-09-24 |
| 1925 | 1925-05-19 | 1925-10-02 |
| 1926 | 1926-05-22 | 1926-10-17 |
| 1928 | 1928-05-01 | 1928-09-30 |
| 1929 | 1929-06-09 | 1929-10-05 |
| 1930 | 1930-05-21 | 1930-09-17 |
| 1931 | 1931-05-14 | 1931-09-29 |
| 1932 | 1932-05-18 | 1932-09-22 |
| 1933 | 1933-05-30 | 1933-09-29 |
| 1934 | 1934-05-05 | 1934-10-07 |
| 1935 | 1935-06-08 | 1935-09-23 |
| 1936 | 1936-05-04 | 1936-09-25 |
| 1937 | 1937-05-14 | 1937-10-12 |
| 1938 | 1938-04-25 | 1938-10-14 |
| 1939 | 1939-05-19 | 1939-09-27 |
| 1940 | 1940-05-03 | 1940-09-08 |
| 1941 | 1941-05-12 | 1941-09-20 |
| 1942 | 1942-05-25 | 1942-10-10 |
| 1943 | 1943-05-28 | 1943-09-25 |
| 1944 | 1944-05-13 | 1944-09-22 |
| 1945 | 1945-05-05 | 1945-09-21 |
| 1946 | 1946-06-05 | 1946-10-03 |
| 1947 | 1947-06-05 | 1947-10-06 |
| 1948 | 1948-05-08 | 1948-10-04 |
| 1949 | 1949-05-04 | 1949-10-06 |
| 1950 | 1950-05-23 | 1950-10-13 |
| 1951 | 1951-05-29 | 1951-09-12 |
| 1952 | 1952-05-05 | 1952-09-28 |
| 1953 | 1953-05-25 | 1953-10-03 |
| 1954 | 1954-05-15 | 1954-10-03 |
| 1955 | 1955-05-07 | 1955-09-17 |
| 1956 | 1956-05-19 | 1956-09-21 |
| 1957 | 1957-06-06 | 1957-09-30 |
| 1958 | 1958-05-22 | 1958-09-24 |
| 1959 | 1959-05-02 | 1959-09-12 |
| 1960 | 1960-05-14 | 1960-09-15 |
| 1961 | 1961-05-11 | 1961-09-10 |
| 1962 | 1962-05-10 | 1962-09-19 |
| 1963 | 1963-05-07 | 1963-10-05 |
| 1965 | 1965-06-20 | 1965-10-11 |
| 1966 | 1966-05-06 | 1966-09-30 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 63 | 100 | 1934 | 79 |
| 35 C (95 F): Days | 62 | 48 | 1934 | 19 |
| 40 C (104 F): Days | 9 | 5 | 1919 | 4 |
| 90 F (32.2 C): Days | 63 | 82 | 1934 | 44 |
| 100 F (37.8 C): Days | 33 | 22 | 1936 | 1 |
| 0 C (32 F): Ice days (max | 63 | 50 | 1955 | 25 |
| 0 C (32 F): Frost days (min | 63 | 196 | 1933 | 167 |
| -10 C (14 F): Days with min | 63 | 83 | 1929 | 54 |
| -20 C (-4 F): Days with min | 63 | 30 | 1937 | 9 |
| -30 C (-22 F): Days with min | 25 | 7 | 1942 | 4 |
| -40 C (-40 F): Days with min | 1 | 0 | n/a | 1 |
| 20 C (68 F): Tropical nights (min | 9 | 3 | 1952 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 67 | 17 | 1961 | 6 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 52 | 5 | 1909 | 3 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 11 | 3 | 1909 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 31 | 6 | 1944 | 2 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 5 | 1 | 1908 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1896.
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).