Deer Park Sf Threshold Days by Year
18 fixed thresholds counted per year at Deer Park Sf (USC00202028): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Deer Park Sf Thresholds
- Deer Park Sf: nights with a minimum temperature at or below 0 C (32 F) in 46 years, most in 1926 with 212.
- Deer Park Sf: nights with a minimum temperature at or below -10 C (14 F) in 46 years, most in 1926 with 99.
- Deer Park Sf: nights with a minimum temperature at or below -20 C (-4 F) in 46 years, most in 1948 with 39.
- Deer Park Sf: days with a maximum temperature at or above 30 C (86 F) in 43 years, most in 1919 with 31.
- 18 fixed thresholds have at least one qualifying day at Deer Park Sf.
Days at or above 30 C (86 F)
43 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1901 | 11 | 4.7 |
| 1902 | 1 | 4.7 |
| 1903 | 4 | 4.7 |
| 1904 | 5 | 4.7 |
| 1905 | 2 | 4.7 |
| 1907 | 4 | 4.7 |
| 1909 | 6 | 4.7 |
| 1910 | 11 | 11.6 |
| 1913 | 11 | 11.6 |
| 1914 | 8 | 11.6 |
| 1915 | 1 | 11.6 |
| 1916 | 13 | 11.6 |
| 1917 | 6 | 11.6 |
| 1919 | 31 | 11.6 |
| 1920 | 5 | 8 |
| 1922 | 8 | 8 |
| 1926 | 2 | 8 |
| 1927 | 9 | 8 |
| 1928 | 16 | 8 |
| 1930 | 19 | 19.7 |
| 1931 | 26 | 19.7 |
| 1932 | 21 | 19.7 |
| 1933 | 27 | 19.7 |
| 1934 | 24 | 19.7 |
| 1935 | 21 | 19.7 |
| 1936 | 16 | 19.7 |
| 1937 | 27 | 19.7 |
| 1938 | 8 | 19.7 |
| 1939 | 8 | 19.7 |
| 1940 | 21 | 17.1 |
| 1941 | 21 | 17.1 |
| 1942 | 12 | 17.1 |
| 1943 | 15 | 17.1 |
| 1944 | 19 | 17.1 |
| 1945 | 14 | 17.1 |
| 1946 | 13 | 17.1 |
| 1947 | 26 | 17.1 |
| 1948 | 12 | 17.1 |
| 1949 | 18 | 17.1 |
| 1950 | 9 | 10.5 |
| 1951 | 4 | 10.5 |
| 1952 | 11 | 10.5 |
| 1953 | 18 | 10.5 |
| Year | First date | Last date |
|---|---|---|
| 1901 | 1901-06-26 | 1901-09-05 |
| 1902 | 1902-07-29 | 1902-07-29 |
| 1903 | 1903-07-06 | 1903-07-23 |
| 1904 | 1904-07-16 | 1904-07-31 |
| 1905 | 1905-07-04 | 1905-07-18 |
| 1907 | 1907-06-15 | 1907-08-10 |
| 1909 | 1909-06-21 | 1909-08-27 |
| 1910 | 1910-06-16 | 1910-08-21 |
| 1913 | 1913-06-23 | 1913-09-02 |
| 1914 | 1914-06-07 | 1914-08-09 |
| 1915 | 1915-08-23 | 1915-08-23 |
| 1916 | 1916-07-06 | 1916-08-19 |
| 1917 | 1917-07-24 | 1917-07-31 |
| 1919 | 1919-05-28 | 1919-09-08 |
| 1920 | 1920-05-31 | 1920-09-27 |
| 1922 | 1922-05-11 | 1922-10-04 |
| 1926 | 1926-07-20 | 1926-08-28 |
| 1927 | 1927-06-29 | 1927-09-21 |
| 1928 | 1928-07-03 | 1928-08-24 |
| 1930 | 1930-05-06 | 1930-08-31 |
| 1931 | 1931-05-15 | 1931-09-09 |
| 1932 | 1932-05-15 | 1932-08-31 |
| 1933 | 1933-06-05 | 1933-09-05 |
| 1934 | 1934-05-03 | 1934-08-18 |
| 1935 | 1935-07-02 | 1935-08-19 |
| 1936 | 1936-05-17 | 1936-09-23 |
| 1937 | 1937-05-31 | 1937-08-30 |
| 1938 | 1938-06-21 | 1938-08-28 |
| 1939 | 1939-05-05 | 1939-09-15 |
| 1940 | 1940-06-02 | 1940-09-06 |
| 1941 | 1941-04-30 | 1941-08-07 |
| 1942 | 1942-06-10 | 1942-09-02 |
| 1943 | 1943-06-20 | 1943-08-21 |
| 1944 | 1944-05-25 | 1944-08-15 |
| 1945 | 1945-06-21 | 1945-09-07 |
| 1946 | 1946-06-24 | 1946-08-26 |
| 1947 | 1947-06-26 | 1947-09-10 |
| 1948 | 1948-06-03 | 1948-09-05 |
| 1949 | 1949-06-02 | 1949-08-26 |
| 1950 | 1950-06-07 | 1950-08-08 |
| 1951 | 1951-07-13 | 1951-07-29 |
| 1952 | 1952-07-02 | 1952-09-13 |
| 1953 | 1953-05-09 | 1953-09-04 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 43 | 31 | 1919 | 18 |
| 35 C (95 F): Days | 22 | 8 | 1936 | 3 |
| 40 C (104 F): Days | 2 | 1 | 1931 | 1 |
| 90 F (32.2 C): Days | 36 | 18 | 1931 | 9 |
| 100 F (37.8 C): Days | 5 | 6 | 1936 | 1 |
| 0 C (32 F): Ice days (max | 43 | 115 | 1926 | 68 |
| 0 C (32 F): Frost days (min | 46 | 212 | 1926 | 186 |
| -10 C (14 F): Days with min | 46 | 99 | 1926 | 50 |
| -20 C (-4 F): Days with min | 46 | 39 | 1948 | 5 |
| -30 C (-22 F): Days with min | 18 | 7 | 1934 | 3 |
| 20 C (68 F): Tropical nights (min | 19 | 3 | 1914 | 2 |
| 25 C (77 F): Days with min | 1 | 1 | 1931 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 39 | 44 | 1933 | 36 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 36 | 10 | 1949 | 7 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 11 | 3 | 1905 | 1 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 1 | 1 | 1905 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 18 | 19 | 1950 | 13 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 8 | 2 | 1902 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1901.
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 2026-10-16 (16 October 2026). Threshold counts are computed by this site.
Data as of . Last revised (2025-12-31).