Pen Threshold Days by Year (IN012121200)
5 fixed thresholds counted per year at Pen (IN012121200): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Pen Thresholds
- Pen: days with 10 mm (0.39 in) or more of precipitation in 65 years, most in 1917 with 90.
- Pen: days with 25 mm (0.98 in) or more of precipitation in 65 years, most in 1931 with 53.
- Pen: days with 50 mm (1.97 in) or more of precipitation in 65 years, most in 1959 with 32.
- Pen: days with 100 mm (3.94 in) or more of precipitation in 63 years, most in 1958 with 14.
- 5 fixed thresholds have at least one qualifying day at Pen.
Days with 10 mm (0.39 in) or more of precipitation
65 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1901 | 62 | 57.2 |
| 1902 | 54 | 57.2 |
| 1903 | 64 | 57.2 |
| 1904 | 51 | 57.2 |
| 1905 | 40 | 57.2 |
| 1906 | 56 | 57.2 |
| 1907 | 54 | 57.2 |
| 1908 | 70 | 57.2 |
| 1909 | 64 | 57.2 |
| 1910 | 55 | 60 |
| 1911 | 48 | 60 |
| 1912 | 54 | 60 |
| 1913 | 58 | 60 |
| 1914 | 70 | 60 |
| 1915 | 51 | 60 |
| 1916 | 71 | 60 |
| 1917 | 90 | 60 |
| 1918 | 33 | 60 |
| 1919 | 70 | 60 |
| 1920 | 54 | 64.9 |
| 1921 | 63 | 64.9 |
| 1922 | 70 | 64.9 |
| 1923 | 59 | 64.9 |
| 1924 | 47 | 64.9 |
| 1925 | 65 | 64.9 |
| 1926 | 69 | 64.9 |
| 1927 | 82 | 64.9 |
| 1928 | 66 | 64.9 |
| 1929 | 74 | 64.9 |
| 1930 | 64 | 67.1 |
| 1931 | 84 | 67.1 |
| 1932 | 70 | 67.1 |
| 1933 | 70 | 67.1 |
| 1934 | 78 | 67.1 |
| 1935 | 57 | 67.1 |
| 1936 | 56 | 67.1 |
| 1937 | 63 | 67.1 |
| 1938 | 75 | 67.1 |
| 1939 | 54 | 67.1 |
| 1940 | 71 | 61.2 |
| 1941 | 26 | 61.2 |
| 1942 | 58 | 61.2 |
| 1943 | 75 | 61.2 |
| 1944 | 58 | 61.2 |
| 1945 | 77 | 61.2 |
| 1946 | 73 | 61.2 |
| 1947 | 60 | 61.2 |
| 1948 | 47 | 61.2 |
| 1949 | 67 | 61.2 |
| 1950 | 59 | 66.8 |
| 1951 | 49 | 66.8 |
| 1952 | 54 | 66.8 |
| 1953 | 68 | 66.8 |
| 1954 | 71 | 66.8 |
| 1955 | 86 | 66.8 |
| 1956 | 69 | 66.8 |
| 1958 | 66 | 66.8 |
| 1959 | 79 | 66.8 |
| 1960 | 61 | 66.3 |
| 1961 | 77 | 66.3 |
| 1962 | 59 | 66.3 |
| 1963 | 75 | 66.3 |
| 1967 | 58 | 66.3 |
| 1969 | 68 | 66.3 |
| 1970 | 80 | 80 |
| Year | First date | Last date |
|---|---|---|
| 1901 | 1901-06-07 | 1901-09-13 |
| 1902 | 1902-06-11 | 1902-12-11 |
| 1903 | 1903-05-21 | 1903-11-04 |
| 1904 | 1904-06-09 | 1904-10-21 |
| 1905 | 1905-06-25 | 1905-09-14 |
| 1906 | 1906-06-08 | 1906-09-21 |
| 1907 | 1907-06-12 | 1907-10-02 |
| 1908 | 1908-06-13 | 1908-09-23 |
| 1909 | 1909-06-04 | 1909-10-09 |
| 1910 | 1910-06-05 | 1910-11-10 |
| 1911 | 1911-06-11 | 1911-11-26 |
| 1912 | 1912-06-14 | 1912-11-23 |
| 1913 | 1913-06-07 | 1913-10-13 |
| 1914 | 1914-06-13 | 1914-11-06 |
| 1915 | 1915-02-05 | 1915-10-13 |
| 1916 | 1916-06-03 | 1916-11-08 |
| 1917 | 1917-05-26 | 1917-10-27 |
| 1918 | 1918-05-27 | 1918-09-02 |
| 1919 | 1919-06-06 | 1919-11-16 |
| 1920 | 1920-01-06 | 1920-10-07 |
| 1921 | 1921-06-11 | 1921-09-21 |
| 1922 | 1922-06-02 | 1922-11-08 |
| 1923 | 1923-06-13 | 1923-10-19 |
| 1924 | 1924-06-17 | 1924-09-28 |
| 1925 | 1925-05-29 | 1925-10-12 |
| 1926 | 1926-01-30 | 1926-10-05 |
| 1927 | 1927-06-04 | 1927-11-13 |
| 1928 | 1928-06-08 | 1928-10-25 |
| 1929 | 1929-04-23 | 1929-12-20 |
| 1930 | 1930-06-09 | 1930-10-29 |
| 1931 | 1931-06-02 | 1931-11-03 |
| 1932 | 1932-06-03 | 1932-10-26 |
| 1933 | 1933-05-17 | 1933-10-23 |
| 1934 | 1934-06-10 | 1934-11-03 |
| 1935 | 1935-06-12 | 1935-10-29 |
| 1936 | 1936-06-04 | 1936-11-11 |
| 1937 | 1937-06-17 | 1937-10-05 |
| 1938 | 1938-06-04 | 1938-10-07 |
| 1939 | 1939-06-15 | 1939-11-04 |
| 1940 | 1940-06-05 | 1940-11-26 |
| 1941 | 1941-06-05 | 1941-10-03 |
| 1942 | 1942-06-13 | 1942-09-05 |
| 1943 | 1943-05-20 | 1943-10-18 |
| 1944 | 1944-06-10 | 1944-10-29 |
| 1945 | 1945-06-03 | 1945-10-21 |
| 1946 | 1946-06-08 | 1946-11-19 |
| 1947 | 1947-04-19 | 1947-10-02 |
| 1948 | 1948-06-14 | 1948-11-23 |
| 1949 | 1949-05-26 | 1949-10-22 |
| 1950 | 1950-06-06 | 1950-10-06 |
| 1951 | 1951-06-12 | 1951-11-23 |
| 1952 | 1952-06-07 | 1952-10-19 |
| 1953 | 1953-06-13 | 1953-10-19 |
| 1954 | 1954-06-07 | 1954-12-17 |
| 1955 | 1955-06-13 | 1955-11-03 |
| 1956 | 1956-05-27 | 1956-11-22 |
| 1958 | 1958-05-26 | 1958-11-25 |
| 1959 | 1959-04-17 | 1959-10-24 |
| 1960 | 1960-06-07 | 1960-10-14 |
| 1961 | 1961-02-05 | 1961-10-11 |
| 1962 | 1962-06-10 | 1962-12-28 |
| 1963 | 1963-06-04 | 1963-10-21 |
| 1967 | 1967-06-16 | 1967-10-10 |
| 1969 | 1969-06-06 | 1969-11-29 |
| 1970 | 1970-05-29 | 1970-10-07 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 10 mm (0.39 in): Days with 10 mm or more rain | 65 | 90 | 1917 | 80 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 65 | 53 | 1931 | 45 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 65 | 32 | 1959 | 21 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 63 | 14 | 1958 | 7 |
| 200 mm (7.87 in): Days with 200 mm or more rain | 34 | 4 | 1960 | 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 2026-10-17 (17 October 2026). Threshold counts are computed by this site.
Data as of . Last revised (2025-12-31).