Bihar Threshold Days by Year (IN004100400)
5 fixed thresholds counted per year at Bihar (IN004100400): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Bihar Thresholds
- Bihar: days with 10 mm (0.39 in) or more of precipitation in 57 years, most in 1909 with 42.
- Bihar: days with 25 mm (0.98 in) or more of precipitation in 57 years, most in 1911 with 22.
- Bihar: days with 50 mm (1.97 in) or more of precipitation in 53 years, most in 1911 with 11.
- Bihar: days with 100 mm (3.94 in) or more of precipitation in 31 years, most in 1916 with 3.
- 5 fixed thresholds have at least one qualifying day at Bihar.
Days with 10 mm (0.39 in) or more of precipitation
57 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1901 | 32 | 28.3 |
| 1902 | 23 | 28.3 |
| 1903 | 19 | 28.3 |
| 1904 | 30 | 28.3 |
| 1905 | 29 | 28.3 |
| 1906 | 33 | 28.3 |
| 1907 | 28 | 28.3 |
| 1908 | 19 | 28.3 |
| 1909 | 42 | 28.3 |
| 1910 | 33 | 31.9 |
| 1911 | 34 | 31.9 |
| 1912 | 25 | 31.9 |
| 1913 | 31 | 31.9 |
| 1914 | 32 | 31.9 |
| 1916 | 36 | 31.9 |
| 1917 | 33 | 31.9 |
| 1918 | 34 | 31.9 |
| 1919 | 29 | 31.9 |
| 1920 | 18 | 30.1 |
| 1921 | 30 | 30.1 |
| 1922 | 36 | 30.1 |
| 1923 | 27 | 30.1 |
| 1924 | 38 | 30.1 |
| 1925 | 30 | 30.1 |
| 1926 | 36 | 30.1 |
| 1927 | 13 | 30.1 |
| 1928 | 32 | 30.1 |
| 1929 | 41 | 30.1 |
| 1930 | 28 | 31.1 |
| 1931 | 30 | 31.1 |
| 1932 | 28 | 31.1 |
| 1933 | 35 | 31.1 |
| 1934 | 27 | 31.1 |
| 1935 | 30 | 31.1 |
| 1936 | 32 | 31.1 |
| 1937 | 35 | 31.1 |
| 1938 | 34 | 31.1 |
| 1939 | 32 | 31.1 |
| 1940 | 32 | 23.3 |
| 1941 | 27 | 23.3 |
| 1942 | 34 | 23.3 |
| 1943 | 20 | 23.3 |
| 1946 | 17 | 23.3 |
| 1947 | 7 | 23.3 |
| 1948 | 19 | 23.3 |
| 1949 | 30 | 23.3 |
| 1950 | 38 | 23.8 |
| 1951 | 12 | 23.8 |
| 1953 | 22 | 23.8 |
| 1955 | 23 | 23.8 |
| 1964 | 34 | 26.7 |
| 1965 | 26 | 26.7 |
| 1966 | 18 | 26.7 |
| 1967 | 27 | 26.7 |
| 1968 | 24 | 26.7 |
| 1969 | 31 | 26.7 |
| 1970 | 34 | 34 |
| Year | First date | Last date |
|---|---|---|
| 1901 | 1901-01-01 | 1901-09-26 |
| 1902 | 1902-06-04 | 1902-09-26 |
| 1903 | 1903-03-04 | 1903-10-31 |
| 1904 | 1904-05-27 | 1904-10-18 |
| 1905 | 1905-03-07 | 1905-09-30 |
| 1906 | 1906-02-15 | 1906-10-31 |
| 1907 | 1907-02-06 | 1907-09-22 |
| 1908 | 1908-01-12 | 1908-09-26 |
| 1909 | 1909-01-22 | 1909-10-01 |
| 1910 | 1910-05-30 | 1910-11-12 |
| 1911 | 1911-01-27 | 1911-11-20 |
| 1912 | 1912-03-30 | 1912-11-24 |
| 1913 | 1913-02-26 | 1913-12-13 |
| 1914 | 1914-04-15 | 1914-09-23 |
| 1916 | 1916-02-17 | 1916-11-01 |
| 1917 | 1917-01-29 | 1917-10-08 |
| 1918 | 1918-06-02 | 1918-09-09 |
| 1919 | 1919-01-30 | 1919-10-04 |
| 1920 | 1920-03-15 | 1920-09-12 |
| 1921 | 1921-06-22 | 1921-10-01 |
| 1922 | 1922-06-03 | 1922-10-02 |
| 1923 | 1923-02-11 | 1923-10-05 |
| 1924 | 1924-02-26 | 1924-11-08 |
| 1925 | 1925-04-24 | 1925-11-10 |
| 1926 | 1926-01-06 | 1926-12-16 |
| 1927 | 1927-01-15 | 1927-11-14 |
| 1928 | 1928-01-23 | 1928-12-31 |
| 1929 | 1929-01-21 | 1929-12-21 |
| 1930 | 1930-05-09 | 1930-12-30 |
| 1931 | 1931-02-08 | 1931-09-22 |
| 1932 | 1932-06-23 | 1932-11-04 |
| 1933 | 1933-01-19 | 1933-09-20 |
| 1934 | 1934-01-29 | 1934-11-08 |
| 1935 | 1935-01-03 | 1935-09-22 |
| 1936 | 1936-03-09 | 1936-10-23 |
| 1937 | 1937-02-12 | 1937-10-07 |
| 1938 | 1938-05-09 | 1938-10-12 |
| 1939 | 1939-02-16 | 1939-09-25 |
| 1940 | 1940-02-03 | 1940-12-21 |
| 1941 | 1941-01-28 | 1941-10-12 |
| 1942 | 1942-02-20 | 1942-09-28 |
| 1943 | 1943-01-11 | 1943-09-27 |
| 1946 | 1946-02-24 | 1946-10-19 |
| 1947 | 1947-05-06 | 1947-09-21 |
| 1948 | 1948-02-19 | 1948-10-11 |
| 1949 | 1949-05-05 | 1949-10-31 |
| 1950 | 1950-01-27 | 1950-09-24 |
| 1951 | 1951-07-05 | 1951-10-01 |
| 1953 | 1953-01-15 | 1953-08-27 |
| 1955 | 1955-06-20 | 1955-10-27 |
| 1964 | 1964-05-10 | 1964-10-10 |
| 1965 | 1965-06-23 | 1965-09-27 |
| 1966 | 1966-01-03 | 1966-11-14 |
| 1967 | 1967-03-15 | 1967-09-19 |
| 1968 | 1968-06-02 | 1968-12-27 |
| 1969 | 1969-04-21 | 1969-09-21 |
| 1970 | 1970-01-20 | 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 | 57 | 42 | 1909 | 34 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 57 | 22 | 1911 | 15 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 53 | 11 | 1911 | 2 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 31 | 3 | 1916 | 1 |
| 200 mm (7.87 in): Days with 200 mm or more rain | 3 | 1 | 1918 | 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).