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Built 2026-10-19 (19 October 2026)

Bolaram Threshold Days by Year (IN001081100)

4 fixed thresholds counted per year at Bolaram (IN001081100): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Bolaram Thresholds

  • Bolaram: days with 10 mm (0.39 in) or more of precipitation in 51 years, most in 1903 with 38.
  • Bolaram: days with 25 mm (0.98 in) or more of precipitation in 51 years, most in 1953 with 20.
  • Bolaram: days with 50 mm (1.97 in) or more of precipitation in 39 years, most in 1955 with 8.
  • Bolaram: days with 100 mm (3.94 in) or more of precipitation in 7 years, most in 1908 with 2.
  • 4 fixed thresholds have at least one qualifying day at Bolaram.
51 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Bolaram Days per year at Bolaram with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 38 in 1903. 0102030401901: 231902: 161903: 381904: 131905: 181906: 211907: 271908: 171909: 191910: 211911: 171912: 181913: 131914: 241915: 281917: 281918: 161919: 341920: 181921: 221922: 81923: 161924: 241925: 271926: 181927: 251928: 231929: 161930: 201931: 311932: 291933: 331934: 201935: 191936: 231937: 291938: 271939: 191940: 241942: 151943: 241944: 311945: 331946: 221947: 261949: 231951: 291952: 191953: 351954: 241955: 34190119071913192019261932193819451953
Days per year at Bolaram with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 38 in 1903.
Days with 10 mm (0.39 in) or more of precipitation per year at Bolaram
YearDaysDecade average
19012321.3
19021621.3
19033821.3
19041321.3
19051821.3
19062121.3
19072721.3
19081721.3
19091921.3
19102122.1
19111722.1
19121822.1
19131322.1
19142422.1
19152822.1
19172822.1
19181622.1
19193422.1
19201819.7
19212219.7
1922819.7
19231619.7
19242419.7
19252719.7
19261819.7
19272519.7
19282319.7
19291619.7
19302025
19313125
19322925
19333325
19342025
19351925
19362325
19372925
19382725
19391925
19402424.8
19421524.8
19432424.8
19443124.8
19453324.8
19462224.8
19472624.8
19492324.8
19512928.2
19521928.2
19533528.2
19542428.2
19553428.2
First to last qualifying date each year at Bolaram For each year, a bar from the first to the last day at Bolaram meeting 10 mm (0.39 in). 1901: 9 January 1901 to 7 November 19011902: 28 July 1902 to 20 November 19021903: 11 April 1903 to 10 November 19031904: 11 May 1904 to 13 October 19041905: 26 April 1905 to 18 October 19051906: 18 January 1906 to 29 December 19061907: 27 March 1907 to 11 December 19071908: 11 June 1908 to 29 September 19081909: 9 April 1909 to 1 October 19091910: 10 June 1910 to 9 November 19101911: 3 June 1911 to 30 November 19111912: 13 February 1912 to 23 November 19121913: 6 June 1913 to 13 October 19131914: 26 March 1914 to 12 December 19141915: 17 January 1915 to 12 October 19151917: 4 February 1917 to 26 October 19171918: 26 March 1918 to 22 September 19181919: 22 April 1919 to 13 November 19191920: 21 January 1920 to 7 October 19201921: 11 June 1921 to 3 November 19211922: 3 January 1922 to 8 October 19221923: 20 June 1923 to 24 September 19231924: 6 January 1924 to 26 November 19241925: 4 May 1925 to 13 November 19251926: 27 January 1926 to 27 September 19261927: 28 February 1927 to 2 November 19271928: 4 February 1928 to 23 October 19281929: 5 February 1929 to 1 October 19291930: 11 April 1930 to 28 October 19301931: 29 May 1931 to 11 November 19311932: 23 February 1932 to 29 November 19321933: 2 March 1933 to 24 December 19331934: 19 April 1934 to 4 November 19341935: 29 January 1935 to 24 October 19351936: 11 February 1936 to 22 December 19361937: 17 March 1937 to 9 October 19371938: 8 February 1938 to 3 October 19381939: 16 March 1939 to 30 October 19391940: 21 April 1940 to 15 October 19401942: 18 June 1942 to 16 September 19421943: 13 April 1943 to 18 October 19431944: 14 March 1944 to 24 October 19441945: 20 April 1945 to 11 November 19451946: 16 February 1946 to 17 November 19461947: 7 June 1947 to 15 December 19471949: 5 June 1949 to 29 September 19491951: 30 April 1951 to 29 October 19511952: 24 May 1952 to 19 October 19521953: 18 April 1953 to 26 October 19531954: 18 March 1954 to 23 October 19541955: 22 May 1955 to 29 September 195519011908191519231930193719451954JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Bolaram meeting 10 mm (0.39 in).
First to last qualifying date each year at Bolaram
YearFirst dateLast date
19011901-01-091901-11-07
19021902-07-281902-11-20
19031903-04-111903-11-10
19041904-05-111904-10-13
19051905-04-261905-10-18
19061906-01-181906-12-29
19071907-03-271907-12-11
19081908-06-111908-09-29
19091909-04-091909-10-01
19101910-06-101910-11-09
19111911-06-031911-11-30
19121912-02-131912-11-23
19131913-06-061913-10-13
19141914-03-261914-12-12
19151915-01-171915-10-12
19171917-02-041917-10-26
19181918-03-261918-09-22
19191919-04-221919-11-13
19201920-01-211920-10-07
19211921-06-111921-11-03
19221922-01-031922-10-08
19231923-06-201923-09-24
19241924-01-061924-11-26
19251925-05-041925-11-13
19261926-01-271926-09-27
19271927-02-281927-11-02
19281928-02-041928-10-23
19291929-02-051929-10-01
19301930-04-111930-10-28
19311931-05-291931-11-11
19321932-02-231932-11-29
19331933-03-021933-12-24
19341934-04-191934-11-04
19351935-01-291935-10-24
19361936-02-111936-12-22
19371937-03-171937-10-09
19381938-02-081938-10-03
19391939-03-161939-10-30
19401940-04-211940-10-15
19421942-06-181942-09-16
19431943-04-131943-10-18
19441944-03-141944-10-24
19451945-04-201945-11-11
19461946-02-161946-11-17
19471947-06-071947-12-15
19491949-06-051949-09-29
19511951-04-301951-10-29
19521952-05-241952-10-19
19531953-04-181953-10-26
19541954-03-181954-10-23
19551955-05-221955-09-29

Every Fixed Threshold

Fixed thresholds at Bolaram
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain5138190334
25 mm (0.98 in): Days with 25 mm or more rain5120195315
50 mm (1.97 in): Days with 50 mm or more rain39819558
100 mm (3.94 in): Days with 100 mm or more rain7219081

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

  • Data for Bolaram threshold days by year: CSV or JSON. Field meanings are on the data page.

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).