Circle 7 N Threshold Days by Year (USC00241765)
19 fixed thresholds counted per year at Circle 7 N (USC00241765): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Circle 7 N Thresholds
- Circle 7 N: days with a maximum temperature at or above 30 C (86 F) in 34 years, most in 1936 with 67.
- Circle 7 N: days with a maximum temperature at or above 35 C (95 F) in 34 years, most in 1929 with 31.
- Circle 7 N: days with a maximum temperature at or above 90 F (32.2 C) in 34 years, most in 1936 with 53.
- Circle 7 N: days with a maximum temperature at or below 0 C (32 F) in 34 years, most in 1937 with 93.
- 19 fixed thresholds have at least one qualifying day at Circle 7 N.
Days at or above 30 C (86 F)
34 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1929 | 58 | 58 |
| 1930 | 46 | 49.8 |
| 1931 | 58 | 49.8 |
| 1932 | 39 | 49.8 |
| 1933 | 32 | 49.8 |
| 1934 | 58 | 49.8 |
| 1935 | 48 | 49.8 |
| 1936 | 67 | 49.8 |
| 1937 | 55 | 49.8 |
| 1938 | 44 | 49.8 |
| 1939 | 51 | 49.8 |
| 1940 | 48 | 40.9 |
| 1941 | 45 | 40.9 |
| 1942 | 39 | 40.9 |
| 1943 | 41 | 40.9 |
| 1944 | 20 | 40.9 |
| 1945 | 42 | 40.9 |
| 1946 | 42 | 40.9 |
| 1947 | 41 | 40.9 |
| 1948 | 41 | 40.9 |
| 1949 | 50 | 40.9 |
| 1950 | 28 | 40.9 |
| 1951 | 30 | 40.9 |
| 1952 | 44 | 40.9 |
| 1953 | 35 | 40.9 |
| 1954 | 38 | 40.9 |
| 1955 | 49 | 40.9 |
| 1956 | 46 | 40.9 |
| 1957 | 45 | 40.9 |
| 1958 | 41 | 40.9 |
| 1959 | 53 | 40.9 |
| 1960 | 52 | 47.3 |
| 1961 | 66 | 47.3 |
| 1962 | 24 | 47.3 |
| Year | First date | Last date |
|---|---|---|
| 1929 | 1929-05-13 | 1929-09-14 |
| 1930 | 1930-05-20 | 1930-08-30 |
| 1931 | 1931-05-13 | 1931-09-28 |
| 1932 | 1932-05-13 | 1932-09-08 |
| 1933 | 1933-06-13 | 1933-10-04 |
| 1934 | 1934-05-05 | 1934-10-11 |
| 1935 | 1935-06-08 | 1935-09-22 |
| 1936 | 1936-04-19 | 1936-09-22 |
| 1937 | 1937-05-27 | 1937-10-28 |
| 1938 | 1938-05-27 | 1938-10-03 |
| 1939 | 1939-04-29 | 1939-09-21 |
| 1940 | 1940-05-11 | 1940-09-16 |
| 1941 | 1941-05-12 | 1941-09-18 |
| 1942 | 1942-07-03 | 1942-10-10 |
| 1943 | 1943-05-21 | 1943-10-08 |
| 1944 | 1944-05-29 | 1944-09-07 |
| 1945 | 1945-06-21 | 1945-09-08 |
| 1946 | 1946-05-27 | 1946-10-01 |
| 1947 | 1947-06-19 | 1947-09-12 |
| 1948 | 1948-05-17 | 1948-09-22 |
| 1949 | 1949-05-10 | 1949-09-24 |
| 1950 | 1950-06-11 | 1950-09-06 |
| 1951 | 1951-05-23 | 1951-08-22 |
| 1952 | 1952-04-26 | 1952-09-26 |
| 1953 | 1953-05-07 | 1953-10-10 |
| 1954 | 1954-05-19 | 1954-09-03 |
| 1955 | 1955-06-14 | 1955-10-10 |
| 1956 | 1956-05-17 | 1956-09-26 |
| 1957 | 1957-05-02 | 1957-10-01 |
| 1958 | 1958-05-11 | 1958-09-12 |
| 1959 | 1959-06-03 | 1959-09-13 |
| 1960 | 1960-05-12 | 1960-09-19 |
| 1961 | 1961-05-28 | 1961-08-31 |
| 1962 | 1962-04-24 | 1962-09-27 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 34 | 67 | 1936 | 24 |
| 35 C (95 F): Days | 34 | 31 | 1929 | 3 |
| 40 C (104 F): Days | 12 | 8 | 1936 | 1 |
| 90 F (32.2 C): Days | 34 | 53 | 1936 | 10 |
| 100 F (37.8 C): Days | 30 | 17 | 1936 | 8 |
| 110 F (43.3 C): Days | 1 | 1 | 1929 | 1 |
| 0 C (32 F): Ice days (max | 34 | 93 | 1937 | 51 |
| 0 C (32 F): Frost days (min | 33 | 224 | 1951 | 191 |
| -10 C (14 F): Days with min | 33 | 115 | 1951 | 71 |
| -20 C (-4 F): Days with min | 33 | 64 | 1936 | 33 |
| -30 C (-22 F): Days with min | 31 | 30 | 1936 | 15 |
| -40 C (-40 F): Days with min | 9 | 6 | 1936 | 1 |
| 20 C (68 F): Tropical nights (min | 17 | 15 | 1936 | 3 |
| 25 C (77 F): Days with min | 3 | 1 | 1931 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 34 | 18 | 1953 | 14 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 25 | 6 | 1962 | 6 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 7 | 2 | 1939 | 1 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 1 | 1 | 1937 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 21 | 5 | 1933 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1929.
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).