Monument 2 WSW Threshold Days by Year (USC00055730)
17 fixed thresholds counted per year at Monument 2 WSW (USC00055730): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Monument 2 WSW Thresholds
- Monument 2 WSW: days with a maximum temperature at or below 0 C (32 F) in 44 years, most in 1948 with 39.
- Monument 2 WSW: nights with a minimum temperature at or below 0 C (32 F) in 44 years, most in 1912 with 225.
- Monument 2 WSW: nights with a minimum temperature at or below -10 C (14 F) in 44 years, most in 1913 with 93.
- Monument 2 WSW: days with a maximum temperature at or above 30 C (86 F) in 43 years, most in 1952 with 61.
- 17 fixed thresholds have at least one qualifying day at Monument 2 WSW.
Days at or above 30 C (86 F)
43 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1911 | 4 | 8.3 |
| 1913 | 7 | 8.3 |
| 1914 | 1 | 8.3 |
| 1915 | 2 | 8.3 |
| 1916 | 10 | 8.3 |
| 1918 | 15 | 8.3 |
| 1919 | 19 | 8.3 |
| 1921 | 2 | 16.1 |
| 1922 | 25 | 16.1 |
| 1923 | 8 | 16.1 |
| 1924 | 35 | 16.1 |
| 1925 | 13 | 16.1 |
| 1926 | 19 | 16.1 |
| 1927 | 8 | 16.1 |
| 1928 | 20 | 16.1 |
| 1929 | 15 | 16.1 |
| 1930 | 21 | 37.5 |
| 1931 | 42 | 37.5 |
| 1932 | 16 | 37.5 |
| 1933 | 36 | 37.5 |
| 1934 | 52 | 37.5 |
| 1935 | 33 | 37.5 |
| 1936 | 47 | 37.5 |
| 1937 | 49 | 37.5 |
| 1938 | 26 | 37.5 |
| 1939 | 53 | 37.5 |
| 1940 | 39 | 24.1 |
| 1941 | 6 | 24.1 |
| 1943 | 31 | 24.1 |
| 1944 | 27 | 24.1 |
| 1945 | 13 | 24.1 |
| 1946 | 26 | 24.1 |
| 1948 | 27 | 24.1 |
| 1951 | 39 | 34.3 |
| 1952 | 61 | 34.3 |
| 1953 | 30 | 34.3 |
| 1957 | 10 | 34.3 |
| 1958 | 27 | 34.3 |
| 1959 | 39 | 34.3 |
| 1960 | 39 | 26.5 |
| 1961 | 13 | 26.5 |
| 1962 | 24 | 26.5 |
| 1963 | 30 | 26.5 |
| Year | First date | Last date |
|---|---|---|
| 1911 | 1911-07-22 | 1911-08-20 |
| 1913 | 1913-07-03 | 1913-08-09 |
| 1914 | 1914-08-17 | 1914-08-17 |
| 1915 | 1915-07-11 | 1915-07-14 |
| 1916 | 1916-06-28 | 1916-07-26 |
| 1918 | 1918-06-10 | 1918-08-27 |
| 1919 | 1919-06-17 | 1919-09-01 |
| 1921 | 1921-07-01 | 1921-07-02 |
| 1922 | 1922-06-09 | 1922-10-04 |
| 1923 | 1923-06-23 | 1923-07-08 |
| 1924 | 1924-06-10 | 1924-09-04 |
| 1925 | 1925-05-19 | 1925-09-16 |
| 1926 | 1926-06-27 | 1926-09-01 |
| 1927 | 1927-06-24 | 1927-08-05 |
| 1928 | 1928-07-01 | 1928-09-07 |
| 1929 | 1929-06-27 | 1929-09-01 |
| 1930 | 1930-06-12 | 1930-08-03 |
| 1931 | 1931-06-17 | 1931-09-10 |
| 1932 | 1932-07-04 | 1932-08-24 |
| 1933 | 1933-06-04 | 1933-09-30 |
| 1934 | 1934-05-18 | 1934-09-19 |
| 1935 | 1935-06-09 | 1935-09-19 |
| 1936 | 1936-06-13 | 1936-09-12 |
| 1937 | 1937-06-17 | 1937-09-01 |
| 1938 | 1938-06-22 | 1938-08-24 |
| 1939 | 1939-06-04 | 1939-09-27 |
| 1940 | 1940-06-16 | 1940-09-08 |
| 1941 | 1941-06-18 | 1941-08-03 |
| 1943 | 1943-06-18 | 1943-09-11 |
| 1944 | 1944-06-20 | 1944-09-22 |
| 1945 | 1945-07-19 | 1945-09-06 |
| 1946 | 1946-06-04 | 1946-08-11 |
| 1948 | 1948-07-05 | 1948-09-15 |
| 1951 | 1951-05-28 | 1951-09-20 |
| 1952 | 1952-06-07 | 1952-09-27 |
| 1953 | 1953-06-09 | 1953-09-27 |
| 1957 | 1957-06-25 | 1957-08-03 |
| 1958 | 1958-06-04 | 1958-09-09 |
| 1959 | 1959-06-07 | 1959-09-14 |
| 1960 | 1960-06-17 | 1960-09-14 |
| 1961 | 1961-06-27 | 1961-08-09 |
| 1962 | 1962-06-28 | 1962-09-18 |
| 1963 | 1963-05-07 | 1963-08-16 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 43 | 61 | 1952 | 30 |
| 35 C (95 F): Days | 18 | 7 | 1934 | 4 |
| 90 F (32.2 C): Days | 38 | 31 | 1952 | 16 |
| 100 F (37.8 C): Days | 1 | 1 | 1939 | 1 |
| 0 C (32 F): Ice days (max | 44 | 39 | 1948 | 18 |
| 0 C (32 F): Frost days (min | 44 | 225 | 1912 | 154 |
| -10 C (14 F): Days with min | 44 | 93 | 1913 | 56 |
| -20 C (-4 F): Days with min | 41 | 19 | 1913 | 15 |
| -30 C (-22 F): Days with min | 14 | 4 | 1933 | 3 |
| -40 C (-40 F): Days with min | 1 | 1 | 1933 | 1 |
| 20 C (68 F): Tropical nights (min | 4 | 1 | 1934 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 43 | 24 | 1957 | 12 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 39 | 6 | 1938 | 1 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 8 | 2 | 1938 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 33 | 14 | 1957 | 4 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 28 | 4 | 1959 | 1 |
| 50 cm (19.7 in): Days with 50 cm or more snowfall | 5 | 1 | 1943 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1911.
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).