Collegeville Threshold Days by Year (CA008201000)
17 fixed thresholds counted per year at Collegeville (CA008201000): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Collegeville Thresholds
- Collegeville: days with a maximum temperature at or below 0 C (32 F) in 60 years, most in 1959 with 83.
- Collegeville: nights with a minimum temperature at or below 0 C (32 F) in 59 years, most in 1955 with 213.
- Collegeville: nights with a minimum temperature at or below -10 C (14 F) in 59 years, most in 1923 with 79.
- Collegeville: nights with a minimum temperature at or below -20 C (-4 F) in 58 years, most in 1923 with 37.
- 17 fixed thresholds have at least one qualifying day at Collegeville.
Days at or above 30 C (86 F)
56 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1917 | 5 | 4.3 |
| 1918 | 6 | 4.3 |
| 1919 | 2 | 4.3 |
| 1920 | 9 | 5.9 |
| 1921 | 14 | 5.9 |
| 1922 | 4 | 5.9 |
| 1923 | 3 | 5.9 |
| 1924 | 5 | 5.9 |
| 1925 | 9 | 5.9 |
| 1926 | 4 | 5.9 |
| 1927 | 1 | 5.9 |
| 1928 | 5 | 5.9 |
| 1929 | 5 | 5.9 |
| 1930 | 3 | 7.2 |
| 1931 | 2 | 7.2 |
| 1932 | 3 | 7.2 |
| 1933 | 6 | 7.2 |
| 1934 | 4 | 7.2 |
| 1935 | 11 | 7.2 |
| 1937 | 24 | 7.2 |
| 1938 | 4 | 7.2 |
| 1939 | 8 | 7.2 |
| 1940 | 9 | 9.8 |
| 1941 | 11 | 9.8 |
| 1942 | 5 | 9.8 |
| 1943 | 4 | 9.8 |
| 1949 | 20 | 9.8 |
| 1952 | 8 | 2.4 |
| 1953 | 1 | 2.4 |
| 1954 | 1 | 2.4 |
| 1955 | 4 | 2.4 |
| 1956 | 1 | 2.4 |
| 1957 | 1 | 2.4 |
| 1959 | 1 | 2.4 |
| 1960 | 1 | 3.6 |
| 1961 | 5 | 3.6 |
| 1963 | 7 | 3.6 |
| 1965 | 3 | 3.6 |
| 1966 | 2 | 3.6 |
| 1967 | 4 | 3.6 |
| 1968 | 3 | 3.6 |
| 1969 | 4 | 3.6 |
| 1970 | 8 | 5.3 |
| 1971 | 5 | 5.3 |
| 1972 | 3 | 5.3 |
| 1973 | 1 | 5.3 |
| 1974 | 2 | 5.3 |
| 1975 | 9 | 5.3 |
| 1976 | 10 | 5.3 |
| 1977 | 7 | 5.3 |
| 1978 | 5 | 5.3 |
| 1979 | 3 | 5.3 |
| 1980 | 1 | 2.3 |
| 1981 | 2 | 2.3 |
| 1982 | 4 | 2.3 |
| 1983 | 2 | 2.3 |
| Year | First date | Last date |
|---|---|---|
| 1917 | 1917-07-14 | 1917-08-04 |
| 1918 | 1918-05-18 | 1918-08-24 |
| 1919 | 1919-06-06 | 1919-07-05 |
| 1920 | 1920-07-11 | 1920-09-24 |
| 1921 | 1921-07-03 | 1921-09-03 |
| 1922 | 1922-06-05 | 1922-06-08 |
| 1923 | 1923-06-19 | 1923-08-04 |
| 1924 | 1924-07-05 | 1924-07-12 |
| 1925 | 1925-06-04 | 1925-08-26 |
| 1926 | 1926-07-22 | 1926-08-04 |
| 1927 | 1927-07-12 | 1927-07-12 |
| 1928 | 1928-06-26 | 1928-08-18 |
| 1929 | 1929-05-29 | 1929-07-22 |
| 1930 | 1930-06-04 | 1930-06-16 |
| 1931 | 1931-07-23 | 1931-07-27 |
| 1932 | 1932-05-16 | 1932-07-26 |
| 1933 | 1933-07-24 | 1933-08-23 |
| 1934 | 1934-07-03 | 1934-09-26 |
| 1935 | 1935-07-04 | 1935-08-21 |
| 1937 | 1937-05-31 | 1937-09-04 |
| 1938 | 1938-06-22 | 1938-08-04 |
| 1939 | 1939-07-05 | 1939-08-27 |
| 1940 | 1940-07-16 | 1940-08-25 |
| 1941 | 1941-06-20 | 1941-08-11 |
| 1942 | 1942-06-11 | 1942-09-02 |
| 1943 | 1943-07-13 | 1943-07-27 |
| 1949 | 1949-06-04 | 1949-08-28 |
| 1952 | 1952-07-08 | 1952-08-29 |
| 1953 | 1953-08-31 | 1953-08-31 |
| 1954 | 1954-06-22 | 1954-06-22 |
| 1955 | 1955-07-23 | 1955-08-22 |
| 1956 | 1956-06-02 | 1956-06-02 |
| 1957 | 1957-06-16 | 1957-06-16 |
| 1959 | 1959-07-28 | 1959-07-28 |
| 1960 | 1960-08-19 | 1960-08-19 |
| 1961 | 1961-06-13 | 1961-09-11 |
| 1963 | 1963-06-03 | 1963-07-28 |
| 1965 | 1965-06-23 | 1965-09-22 |
| 1966 | 1966-05-25 | 1966-08-19 |
| 1967 | 1967-06-04 | 1967-07-20 |
| 1968 | 1968-07-02 | 1968-07-10 |
| 1969 | 1969-06-14 | 1969-08-01 |
| 1970 | 1970-07-10 | 1970-08-16 |
| 1971 | 1971-06-19 | 1971-08-10 |
| 1972 | 1972-05-29 | 1972-07-13 |
| 1973 | 1973-07-09 | 1973-07-09 |
| 1974 | 1974-08-12 | 1974-08-22 |
| 1975 | 1975-06-24 | 1975-08-11 |
| 1976 | 1976-06-06 | 1976-08-22 |
| 1977 | 1977-05-22 | 1977-08-29 |
| 1978 | 1978-05-29 | 1978-08-23 |
| 1979 | 1979-06-16 | 1979-07-25 |
| 1980 | 1980-06-26 | 1980-06-26 |
| 1981 | 1981-07-03 | 1981-08-01 |
| 1982 | 1982-07-07 | 1982-07-19 |
| 1983 | 1983-06-23 | 1983-09-05 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 56 | 24 | 1937 | 2 |
| 35 C (95 F): Days | 6 | 2 | 1935 | 1 |
| 90 F (32.2 C): Days | 33 | 10 | 1921 | 1 |
| 100 F (37.8 C): Days | 1 | 1 | 1935 | 1 |
| 0 C (32 F): Ice days (max | 60 | 83 | 1959 | 50 |
| 0 C (32 F): Frost days (min | 59 | 213 | 1955 | 151 |
| -10 C (14 F): Days with min | 59 | 79 | 1923 | 40 |
| -20 C (-4 F): Days with min | 58 | 37 | 1923 | 3 |
| -30 C (-22 F): Days with min | 22 | 5 | 1920 | 1 |
| 20 C (68 F): Tropical nights (min | 29 | 7 | 1941 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 55 | 65 | 1972 | 56 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 55 | 22 | 1959 | 19 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 44 | 9 | 1940 | 1 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 5 | 2 | 1940 | 1 |
| 200 mm (7.87 in): Days with 200 mm or more rain | 1 | 1 | 1971 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 58 | 17 | 1921 | 6 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 35 | 5 | 1921 | 2 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1917.
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).