China Flat Threshold Days by Year (USC00041731)
16 fixed thresholds counted per year at China Flat (USC00041731): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for China Flat Thresholds
- China Flat: days with a maximum temperature at or above 30 C (86 F) in 45 years, most in 1951 with 117.
- China Flat: days with a maximum temperature at or above 35 C (95 F) in 45 years, most in 1910 with 63.
- China Flat: days with a maximum temperature at or above 90 F (32.2 C) in 45 years, most in 1910 with 97.
- China Flat: nights with a minimum temperature at or below 0 C (32 F) in 45 years, most in 1929 with 72.
- 16 fixed thresholds have at least one qualifying day at China Flat.
Days at or above 30 C (86 F)
45 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1909 | 106 | 106 |
| 1910 | 114 | 78.5 |
| 1911 | 94 | 78.5 |
| 1912 | 77 | 78.5 |
| 1913 | 84 | 78.5 |
| 1914 | 96 | 78.5 |
| 1915 | 81 | 78.5 |
| 1916 | 42 | 78.5 |
| 1917 | 72 | 78.5 |
| 1918 | 62 | 78.5 |
| 1919 | 63 | 78.5 |
| 1920 | 49 | 62.4 |
| 1921 | 47 | 62.4 |
| 1922 | 80 | 62.4 |
| 1923 | 48 | 62.4 |
| 1924 | 90 | 62.4 |
| 1925 | 59 | 62.4 |
| 1926 | 77 | 62.4 |
| 1927 | 45 | 62.4 |
| 1928 | 48 | 62.4 |
| 1929 | 81 | 62.4 |
| 1930 | 53 | 87.6 |
| 1931 | 105 | 87.6 |
| 1932 | 98 | 87.6 |
| 1933 | 86 | 87.6 |
| 1934 | 98 | 87.6 |
| 1935 | 85 | 87.6 |
| 1936 | 89 | 87.6 |
| 1937 | 73 | 87.6 |
| 1938 | 96 | 87.6 |
| 1939 | 93 | 87.6 |
| 1940 | 92 | 75.9 |
| 1941 | 55 | 75.9 |
| 1942 | 82 | 75.9 |
| 1943 | 94 | 75.9 |
| 1944 | 72 | 75.9 |
| 1945 | 93 | 75.9 |
| 1946 | 77 | 75.9 |
| 1947 | 74 | 75.9 |
| 1948 | 44 | 75.9 |
| 1949 | 76 | 75.9 |
| 1950 | 88 | 86.3 |
| 1951 | 117 | 86.3 |
| 1953 | 71 | 86.3 |
| 1954 | 69 | 86.3 |
| Year | First date | Last date |
|---|---|---|
| 1909 | 1909-04-08 | 1909-09-23 |
| 1910 | 1910-04-15 | 1910-09-30 |
| 1911 | 1911-03-29 | 1911-09-21 |
| 1912 | 1912-05-07 | 1912-09-26 |
| 1913 | 1913-04-24 | 1913-10-02 |
| 1914 | 1914-04-18 | 1914-09-24 |
| 1915 | 1915-04-16 | 1915-09-21 |
| 1916 | 1916-06-06 | 1916-09-15 |
| 1917 | 1917-06-07 | 1917-09-19 |
| 1918 | 1918-06-03 | 1918-09-17 |
| 1919 | 1919-05-21 | 1919-09-22 |
| 1920 | 1920-06-19 | 1920-09-05 |
| 1921 | 1921-05-12 | 1921-10-07 |
| 1922 | 1922-05-14 | 1922-09-18 |
| 1923 | 1923-06-29 | 1923-09-19 |
| 1924 | 1924-05-09 | 1924-09-16 |
| 1925 | 1925-06-18 | 1925-09-02 |
| 1926 | 1926-04-27 | 1926-09-09 |
| 1927 | 1927-05-13 | 1927-08-21 |
| 1928 | 1928-05-20 | 1928-09-17 |
| 1929 | 1929-05-11 | 1929-10-15 |
| 1930 | 1930-06-06 | 1930-09-16 |
| 1931 | 1931-04-20 | 1931-10-02 |
| 1932 | 1932-05-08 | 1932-10-05 |
| 1933 | 1933-04-13 | 1933-10-07 |
| 1934 | 1934-04-06 | 1934-09-30 |
| 1935 | 1935-04-25 | 1935-09-28 |
| 1936 | 1936-04-10 | 1936-10-09 |
| 1937 | 1937-05-01 | 1937-09-10 |
| 1938 | 1938-05-12 | 1938-09-22 |
| 1939 | 1939-04-06 | 1939-09-24 |
| 1940 | 1940-04-12 | 1940-10-18 |
| 1941 | 1941-05-20 | 1941-09-16 |
| 1942 | 1942-05-20 | 1942-10-05 |
| 1943 | 1943-04-12 | 1943-09-30 |
| 1944 | 1944-05-02 | 1944-09-27 |
| 1945 | 1945-04-19 | 1945-09-19 |
| 1946 | 1946-04-17 | 1946-09-29 |
| 1947 | 1947-04-12 | 1947-10-04 |
| 1948 | 1948-05-23 | 1948-09-14 |
| 1949 | 1949-04-11 | 1949-09-27 |
| 1950 | 1950-04-19 | 1950-09-24 |
| 1951 | 1951-04-09 | 1951-09-28 |
| 1953 | 1953-04-24 | 1953-09-24 |
| 1954 | 1954-04-15 | 1954-09-28 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 45 | 117 | 1951 | 69 |
| 35 C (95 F): Days | 45 | 63 | 1910 | 17 |
| 40 C (104 F): Days | 23 | 15 | 1910 | 3 |
| 45 C (113 F): Days | 1 | 1 | 1910 | 1 |
| 90 F (32.2 C): Days | 45 | 97 | 1910 | 50 |
| 100 F (37.8 C): Days | 39 | 32 | 1910 | 3 |
| 110 F (43.3 C): Days | 4 | 3 | 1910 | 2 |
| 0 C (32 F): Ice days (max | 4 | 3 | 1932 | 1 |
| 0 C (32 F): Frost days (min | 45 | 72 | 1929 | 17 |
| -10 C (14 F): Days with min | 5 | 5 | 1932 | 4 |
| 20 C (68 F): Tropical nights (min | 8 | 3 | 1913 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 33 | 55 | 1945 | 42 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 33 | 22 | 1920 | 20 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 26 | 9 | 1950 | 5 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 2 | 1 | 1927 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 3 | 3 | 1948 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1909.
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).